diff --git a/app/src/main/java/com/hippo/ehviewer/download/DownloadService.java b/app/src/main/java/com/hippo/ehviewer/download/DownloadService.java
index e247f0bc1..55dd917e8 100644
--- a/app/src/main/java/com/hippo/ehviewer/download/DownloadService.java
+++ b/app/src/main/java/com/hippo/ehviewer/download/DownloadService.java
@@ -218,7 +218,7 @@ public class DownloadService extends Service implements DownloadManager.Download
                 .setCategory(NotificationCompat.CATEGORY_PROGRESS)
                 .setColor(getResources().getColor(R.color.colorPrimary))
                 .setColorized(true)
-                .addAction(R.drawable.ic_pause_x24, getString(R.string.stat_download_action_stop_all), piStopAll)
+                .addAction(R.drawable.ic_baseline_pause_24, getString(R.string.stat_download_action_stop_all), piStopAll)
                 .setShowWhen(false)
                 .setChannelId(CHANNEL_ID);
 
@@ -261,7 +261,7 @@ public class DownloadService extends Service implements DownloadManager.Download
         }
 
         m509dBuilder = new NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID)
-                .setSmallIcon(R.drawable.ic_stat_alert)
+                .setSmallIcon(R.drawable.ic_baseline_warning_24)
                 .setContentText(getString(R.string.stat_509_alert_title))
                 .setContentText(getString(R.string.stat_509_alert_text))
                 .setStyle(new NotificationCompat.BigTextStyle().bigText(getString(R.string.stat_509_alert_text)))
diff --git a/app/src/main/res/drawable-hdpi/ic_pause_x24.png b/app/src/main/res/drawable-hdpi/ic_pause_x24.png
deleted file mode 100644
index 411c4987e..000000000
Binary files a/app/src/main/res/drawable-hdpi/ic_pause_x24.png and /dev/null differ
diff --git a/app/src/main/res/drawable-hdpi/ic_stat_alert.png b/app/src/main/res/drawable-hdpi/ic_stat_alert.png
deleted file mode 100644
index fcc614c04..000000000
Binary files a/app/src/main/res/drawable-hdpi/ic_stat_alert.png and /dev/null differ
diff --git a/app/src/main/res/drawable-mdpi/ic_pause_x24.png b/app/src/main/res/drawable-mdpi/ic_pause_x24.png
deleted file mode 100644
index 73c388b00..000000000
Binary files a/app/src/main/res/drawable-mdpi/ic_pause_x24.png and /dev/null differ
diff --git a/app/src/main/res/drawable-mdpi/ic_stat_alert.png b/app/src/main/res/drawable-mdpi/ic_stat_alert.png
deleted file mode 100644
index d8d4f2fbb..000000000
Binary files a/app/src/main/res/drawable-mdpi/ic_stat_alert.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_pause_x24.png b/app/src/main/res/drawable-xhdpi/ic_pause_x24.png
deleted file mode 100644
index 0045704e3..000000000
Binary files a/app/src/main/res/drawable-xhdpi/ic_pause_x24.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_stat_alert.png b/app/src/main/res/drawable-xhdpi/ic_stat_alert.png
deleted file mode 100644
index 1eddd640d..000000000
Binary files a/app/src/main/res/drawable-xhdpi/ic_stat_alert.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_pause_x24.png b/app/src/main/res/drawable-xxhdpi/ic_pause_x24.png
deleted file mode 100644
index e0762aff7..000000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_pause_x24.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_stat_alert.png b/app/src/main/res/drawable-xxhdpi/ic_stat_alert.png
deleted file mode 100644
index 59ec28a99..000000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_stat_alert.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/shadow_8dp.9.png b/app/src/main/res/drawable-xxhdpi/shadow_8dp.9.png
deleted file mode 100644
index dd7755211..000000000
Binary files a/app/src/main/res/drawable-xxhdpi/shadow_8dp.9.png and /dev/null differ
diff --git a/app/src/main/res/drawable/big_label.xml b/app/src/main/res/drawable/big_label.xml
deleted file mode 100644
index 99938fd62..000000000
--- a/app/src/main/res/drawable/big_label.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="120dp"
-    android:height="120dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="?attr/drawableColorSecondary"
-        android:pathData="@string/pd_big_label" />
-
-</vector>
diff --git a/app/src/main/res/drawable/big_search.xml b/app/src/main/res/drawable/big_search.xml
deleted file mode 100644
index 222f8d7c2..000000000
--- a/app/src/main/res/drawable/big_search.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="120dp"
-    android:height="120dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="?attr/drawableColorSecondary"
-        android:pathData="@string/pd_big_search" />
-
-</vector>
diff --git a/app/src/main/res/drawable/fingerprint_error.xml b/app/src/main/res/drawable/fingerprint_error.xml
deleted file mode 100644
index fe0d328bc..000000000
--- a/app/src/main/res/drawable/fingerprint_error.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright (C) 2015 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License
-  -->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="40.0dp"
-    android:height="40.0dp"
-    android:viewportWidth="40.0"
-    android:viewportHeight="40.0">
-    <path
-        android:fillColor="#F4511E"
-        android:pathData="M20.0,0.0C8.96,0.0 0.0,8.95 0.0,20.0s8.96,20.0 20.0,20.0c11.04,0.0 20.0,-8.95 20.0,-20.0S31.04,0.0 20.0,0.0z" />
-    <path
-        android:fillColor="#FFFFFF"
-        android:pathData="M21.33,29.33l-2.67,0.0l0.0,-2.67l2.67,0.0L21.33,29.33zM21.33,22.67l-2.67,0.0l0.0,-12.0l2.67,0.0L21.33,22.67z" />
-</vector>
diff --git a/app/src/main/res/drawable/fingerprint_success.xml b/app/src/main/res/drawable/fingerprint_success.xml
deleted file mode 100644
index 71c6a0258..000000000
--- a/app/src/main/res/drawable/fingerprint_success.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright (C) 2015 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License
-  -->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="40.0dp"
-    android:height="40.0dp"
-    android:viewportWidth="40.0"
-    android:viewportHeight="40.0">
-    <path
-        android:fillColor="#009688"
-        android:pathData="M20.0,20.0m-20.0,0.0a20.0,20.0 0.0,1.0 1.0,40.0 0.0a20.0,20.0 0.0,1.0 1.0,-40.0 0.0" />
-    <path
-        android:fillColor="#FFFFFF"
-        android:pathData="M11.2,21.41l1.63,-1.619999 4.17,4.169998 10.59,-10.589999 1.619999,1.63 -12.209999,12.209999z" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_pause_24.xml b/app/src/main/res/drawable/ic_baseline_pause_24.xml
new file mode 100644
index 000000000..13d6d2ec0
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_pause_24.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,19h4L10,5L6,5v14zM14,5v14h4L18,5h-4z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_warning_24.xml b/app/src/main/res/drawable/ic_baseline_warning_24.xml
new file mode 100644
index 000000000..a02bc138c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_warning_24.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M1,21h22L12,2 1,21zM13,18h-2v-2h2v2zM13,14h-2v-4h2v4z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_more_vert_black_24dp.xml b/app/src/main/res/drawable/ic_more_vert_black_24dp.xml
deleted file mode 100644
index 64e2f23ee..000000000
--- a/app/src/main/res/drawable/ic_more_vert_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="@color/primary_drawable"
-        android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z"/>
-</vector>
diff --git a/app/src/main/res/drawable/preference_header_background_black.xml b/app/src/main/res/drawable/preference_header_background_black.xml
deleted file mode 100644
index ff37bb43a..000000000
--- a/app/src/main/res/drawable/preference_header_background_black.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item android:drawable="@drawable/grey_900" android:state_activated="true" />
-    <item android:drawable="@drawable/transparent" />
-
-</selector>
diff --git a/app/src/main/res/drawable/preference_header_background_dark.xml b/app/src/main/res/drawable/preference_header_background_dark.xml
deleted file mode 100644
index 3784a94dc..000000000
--- a/app/src/main/res/drawable/preference_header_background_dark.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item android:drawable="@drawable/grey_800" android:state_activated="true" />
-    <item android:drawable="@drawable/transparent" />
-
-</selector>
diff --git a/app/src/main/res/drawable/preference_header_background_light.xml b/app/src/main/res/drawable/preference_header_background_light.xml
deleted file mode 100644
index 85446de8a..000000000
--- a/app/src/main/res/drawable/preference_header_background_light.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2015 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item android:drawable="@drawable/grey_200" android:state_activated="true" />
-    <item android:drawable="@drawable/transparent" />
-
-</selector>
diff --git a/app/src/main/res/drawable/shadow_bottom.xml b/app/src/main/res/drawable/shadow_bottom.xml
deleted file mode 100644
index 2b519b5e7..000000000
--- a/app/src/main/res/drawable/shadow_bottom.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-
-    <gradient
-        android:angle="90"
-        android:endColor="@color/shadow"
-        android:startColor="@android:color/transparent" />
-
-</shape>
diff --git a/app/src/main/res/drawable/shadow_top.xml b/app/src/main/res/drawable/shadow_top.xml
deleted file mode 100644
index 24f59feb6..000000000
--- a/app/src/main/res/drawable/shadow_top.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-
-    <gradient
-        android:angle="270"
-        android:endColor="@color/shadow"
-        android:startColor="@android:color/transparent" />
-
-</shape>
diff --git a/app/src/main/res/drawable/v_bug_black_x48.xml b/app/src/main/res/drawable/v_bug_black_x48.xml
deleted file mode 100644
index 2b120d493..000000000
--- a/app/src/main/res/drawable/v_bug_black_x48.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="48dp"
-    android:height="48dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@android:color/black"
-        android:pathData="@string/pd_bug" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_copy_x24.xml b/app/src/main/res/drawable/v_copy_x24.xml
deleted file mode 100644
index d57f30c97..000000000
--- a/app/src/main/res/drawable/v_copy_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2019 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="?attr/drawableColorPrimary"
-        android:pathData="@string/pd_copy" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_delete_dark_x24.xml b/app/src/main/res/drawable/v_delete_dark_x24.xml
deleted file mode 100644
index bd6bf8e19..000000000
--- a/app/src/main/res/drawable/v_delete_dark_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@color/primary_drawable_dark"
-        android:pathData="@string/pd_delete" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_delete_red_x24.xml b/app/src/main/res/drawable/v_delete_red_x24.xml
deleted file mode 100644
index 18b959cfd..000000000
--- a/app/src/main/res/drawable/v_delete_red_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@color/red_500"
-        android:pathData="@string/pd_delete" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_info_dark_x24.xml b/app/src/main/res/drawable/v_info_dark_x24.xml
deleted file mode 100644
index 192dfe764..000000000
--- a/app/src/main/res/drawable/v_info_dark_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@color/primary_drawable_dark"
-        android:pathData="@string/pd_info" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_reorder_x24.xml b/app/src/main/res/drawable/v_reorder_x24.xml
deleted file mode 100644
index 7a0ec08b3..000000000
--- a/app/src/main/res/drawable/v_reorder_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="?attr/drawableColorPrimary"
-        android:pathData="@string/pd_reorder" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_settings_dark_x24.xml b/app/src/main/res/drawable/v_settings_dark_x24.xml
deleted file mode 100644
index d0a19ac40..000000000
--- a/app/src/main/res/drawable/v_settings_dark_x24.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="@color/primary_drawable_dark"
-        android:pathData="@string/pd_settings" />
-
-</vector>
diff --git a/app/src/main/res/drawable/v_thumb_up_primary_x48.xml b/app/src/main/res/drawable/v_thumb_up_primary_x48.xml
deleted file mode 100644
index 068ecd5ba..000000000
--- a/app/src/main/res/drawable/v_thumb_up_primary_x48.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="48dp"
-    android:height="48dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="?attr/drawableColorThemePrimary"
-        android:pathData="@string/pd_thumb_up" />
-
-</vector>
diff --git a/app/src/main/res/layout/alert_dialog_progress_material.xml b/app/src/main/res/layout/alert_dialog_progress_material.xml
deleted file mode 100644
index c0ac90549..000000000
--- a/app/src/main/res/layout/alert_dialog_progress_material.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-     Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="match_parent"
-    android:paddingLeft="?attr/dialogPreferredPadding"
-    android:paddingTop="@dimen/dialog_padding_top_material"
-    android:paddingRight="?attr/dialogPreferredPadding"
-    android:paddingBottom="@dimen/dialog_padding_top_material">
-
-    <ProgressBar
-        android:id="@+id/progress"
-        style="?android:attr/progressBarStyleHorizontal"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_centerHorizontal="true" />
-
-    <TextView
-        android:id="@+id/progress_percent"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/progress"
-        android:layout_alignParentLeft="true" />
-
-    <TextView
-        android:id="@+id/progress_number"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/progress"
-        android:layout_alignParentRight="true" />
-</RelativeLayout>
diff --git a/app/src/main/res/layout/button_guide.xml b/app/src/main/res/layout/button_guide.xml
deleted file mode 100644
index 3f6dc62f1..000000000
--- a/app/src/main/res/layout/button_guide.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<Button xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:background="@null"
-    android:text="@string/get_it"
-    android:textAllCaps="true"
-    android:textColor="@android:color/white"
-    android:textSize="@dimen/text_little_small"
-    android:textStyle="bold"
-    android:visibility="gone" />
diff --git a/app/src/main/res/layout/dialog_donate.xml b/app/src/main/res/layout/dialog_donate.xml
deleted file mode 100644
index 942c4eccd..000000000
--- a/app/src/main/res/layout/dialog_donate.xml
+++ /dev/null
@@ -1,99 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2018 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:padding="@dimen/keyline_margin">
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:text="@string/settings_about_donate_message" />
-
-    <Space
-        android:layout_width="wrap_content"
-        android:layout_height="@dimen/keyline_margin" />
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/settings_about_donate_alipay"
-        android:textColor="?attr/textColorThemePrimary"
-        android:textSize="@dimen/text_little_small"
-        android:textStyle="bold" />
-
-    <TextView
-        android:id="@+id/alipay_text"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:gravity="center" />
-
-    <Button
-        android:id="@+id/alipay_copy"
-        style="@style/Widget.AppCompat.Button.Borderless.Colored"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:text="@string/settings_about_donate_copy" />
-
-    <Space
-        android:layout_width="wrap_content"
-        android:layout_height="@dimen/keyline_margin" />
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/settings_about_donate_paypal"
-        android:textColor="?attr/textColorThemePrimary"
-        android:textSize="@dimen/text_little_small"
-        android:textStyle="bold" />
-
-    <TextView
-        android:id="@+id/paypal_text"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:gravity="center" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal">
-
-        <Button
-            android:id="@+id/paypal_open"
-            style="@style/Widget.AppCompat.Button.Borderless.Colored"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/settings_about_donate_open" />
-
-        <Space
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1" />
-
-        <Button
-            android:id="@+id/paypal_copy"
-            style="@style/Widget.AppCompat.Button.Borderless.Colored"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/settings_about_donate_copy" />
-
-    </LinearLayout>
-</LinearLayout>
diff --git a/app/src/main/res/layout/item_dir_explorer.xml b/app/src/main/res/layout/item_dir_explorer.xml
deleted file mode 100644
index 4b6ad90ee..000000000
--- a/app/src/main/res/layout/item_dir_explorer.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/text"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:gravity="center_vertical"
-    android:padding="8dp" />
diff --git a/app/src/main/res/layout/item_excluded_languages.xml b/app/src/main/res/layout/item_excluded_languages.xml
deleted file mode 100644
index f1d51bfcd..000000000
--- a/app/src/main/res/layout/item_excluded_languages.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal">
-
-    <TextView
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1"
-        android:textColor="?android:attr/textColorPrimary" />
-
-    <com.hippo.widget.SensitiveCheckBox
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1" />
-
-    <com.hippo.widget.SensitiveCheckBox
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1" />
-
-    <com.hippo.widget.SensitiveCheckBox
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1" />
-
-</LinearLayout>
diff --git a/app/src/main/res/layout/item_simple_list.xml b/app/src/main/res/layout/item_simple_list.xml
deleted file mode 100644
index c7b060f31..000000000
--- a/app/src/main/res/layout/item_simple_list.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@android:id/text1"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:gravity="center_vertical"
-    android:minHeight="?attr/listPreferredItemHeightSmall"
-    android:paddingLeft="?attr/listPreferredItemPaddingLeft"
-    android:paddingRight="?attr/listPreferredItemPaddingRight"
-    android:textAppearance="?attr/textAppearanceListItemSmall" />
diff --git a/app/src/main/res/layout/preference_dialog_default_categories.xml b/app/src/main/res/layout/preference_dialog_default_categories.xml
deleted file mode 100644
index f000a94ae..000000000
--- a/app/src/main/res/layout/preference_dialog_default_categories.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-
-<com.hippo.widget.IndicatingScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-    style="@style/Indicating"
-    android:layout_width="match_parent"
-    android:layout_height="0dp"
-    android:layout_weight="1">
-
-    <com.hippo.ehviewer.widget.CategoryTable
-        android:id="@+id/category_table"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingLeft="?attr/dialogPreferredPadding"
-        android:paddingTop="@dimen/abc_dialog_padding_top_material"
-        android:paddingRight="?attr/dialogPreferredPadding" />
-
-</com.hippo.widget.IndicatingScrollView>
diff --git a/app/src/main/res/layout/progress_dialog_material.xml b/app/src/main/res/layout/progress_dialog_material.xml
deleted file mode 100644
index 34b79f1bc..000000000
--- a/app/src/main/res/layout/progress_dialog_material.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-     Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-
-    <LinearLayout
-        android:id="@+id/body"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:baselineAligned="false"
-        android:orientation="horizontal"
-        android:paddingLeft="?attr/dialogPreferredPadding"
-        android:paddingTop="@dimen/dialog_padding_top_material"
-        android:paddingRight="?attr/dialogPreferredPadding"
-        android:paddingBottom="@dimen/dialog_padding_top_material">
-
-        <ProgressBar
-            android:id="@id/progress"
-            style="?android:attr/progressBarStyle"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginRight="?attr/dialogPreferredPadding"
-            android:max="10000" />
-
-        <TextView
-            android:id="@+id/message"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center_vertical" />
-    </LinearLayout>
-</FrameLayout>
diff --git a/app/src/main/res/layout/scene_download.xml b/app/src/main/res/layout/scene_download.xml
index 705d2f7da..e4690dbf8 100644
--- a/app/src/main/res/layout/scene_download.xml
+++ b/app/src/main/res/layout/scene_download.xml
@@ -72,7 +72,7 @@
             android:layout_height="wrap_content"
             app:backgroundTint="?attr/widgetColorThemeAccent"
             app:fabSize="mini"
-            app:srcCompat="@drawable/v_play_dark_x24"
+            app:srcCompat="@drawable/v_play_x24"
             app:tint="#fff" />
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
@@ -81,7 +81,7 @@
             android:layout_height="wrap_content"
             app:backgroundTint="?attr/widgetColorThemeAccent"
             app:fabSize="mini"
-            app:srcCompat="@drawable/v_pause_dark_x24"
+            app:srcCompat="@drawable/v_pause_x24"
             app:tint="#fff" />
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
@@ -90,7 +90,7 @@
             android:layout_height="wrap_content"
             app:backgroundTint="?attr/widgetColorThemeAccent"
             app:fabSize="mini"
-            app:srcCompat="@drawable/v_delete_dark_x24"
+            app:srcCompat="@drawable/v_delete_x24"
             app:tint="#fff" />
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
@@ -99,7 +99,7 @@
             android:layout_height="wrap_content"
             app:backgroundTint="?attr/widgetColorThemeAccent"
             app:fabSize="mini"
-            app:srcCompat="@drawable/v_folder_move_dark_x24"
+            app:srcCompat="@drawable/v_folder_move_x24"
             app:tint="#fff" />
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
diff --git a/app/src/main/res/layout/scene_excluded_languages.xml b/app/src/main/res/layout/scene_excluded_languages.xml
deleted file mode 100644
index 7bc7e7843..000000000
--- a/app/src/main/res/layout/scene_excluded_languages.xml
+++ /dev/null
@@ -1,159 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:paddingLeft="@dimen/keyline_margin"
-        android:paddingTop="8dp"
-        android:paddingRight="@dimen/keyline_margin">
-
-        <TextView
-            android:id="@+id/cancel"
-            style="@style/ButtonInCard.Accent"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="@android:string/cancel" />
-
-        <View
-            android:layout_width="1dp"
-            android:layout_height="match_parent"
-            android:layout_marginTop="8dp"
-            android:layout_marginBottom="8dp"
-            android:background="?attr/dividerColor" />
-
-        <TextView
-            android:id="@+id/ok"
-            style="@style/ButtonInCard.Accent"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="@android:string/ok" />
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:paddingLeft="@dimen/keyline_margin"
-        android:paddingTop="8dp"
-        android:paddingRight="@dimen/keyline_margin">
-
-        <TextView
-            android:id="@+id/select_all"
-            style="@style/ButtonInCard"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="@string/select_all" />
-
-        <View
-            android:layout_width="1dp"
-            android:layout_height="match_parent"
-            android:layout_marginTop="8dp"
-            android:layout_marginBottom="8dp"
-            android:background="?attr/dividerColor" />
-
-        <TextView
-            android:id="@+id/deselect_all"
-            style="@style/ButtonInCard"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="@string/deselect_all" />
-
-        <View
-            android:layout_width="1dp"
-            android:layout_height="match_parent"
-            android:layout_marginTop="8dp"
-            android:layout_marginBottom="8dp"
-            android:background="?attr/dividerColor" />
-
-        <TextView
-            android:id="@+id/invert_selection"
-            style="@style/ButtonInCard"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="@string/invert_selection" />
-
-    </LinearLayout>
-
-    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        android:paddingLeft="@dimen/keyline_margin"
-        android:paddingTop="8dp"
-        android:paddingRight="@dimen/keyline_margin"
-        android:paddingBottom="8dp">
-
-        <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="@string/language" />
-
-        <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="@string/original" />
-
-        <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="@string/translated" />
-
-        <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="@string/rewrite" />
-
-    </LinearLayout>
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:layout_marginLeft="@dimen/keyline_margin"
-        android:layout_marginRight="@dimen/keyline_margin"
-        android:background="?attr/dividerColor" />
-
-    <com.hippo.easyrecyclerview.EasyRecyclerView
-        android:id="@+id/recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:paddingLeft="@dimen/keyline_margin"
-        android:paddingRight="@dimen/keyline_margin"
-        android:paddingBottom="8dp" />
-
-</LinearLayout>
diff --git a/app/src/main/res/layout/scene_favorites.xml b/app/src/main/res/layout/scene_favorites.xml
index c0aa9ca49..07760a4ea 100644
--- a/app/src/main/res/layout/scene_favorites.xml
+++ b/app/src/main/res/layout/scene_favorites.xml
@@ -84,7 +84,7 @@
             android:visibility="gone"
             app:backgroundTint="?attr/widgetColorThemeAccent"
             app:fabSize="mini"
-            app:srcCompat="@drawable/v_delete_dark_x24"
+            app:srcCompat="@drawable/v_delete_x24"
             app:tint="#fff" />
 
         <com.google.android.material.floatingactionbutton.FloatingActionButton
diff --git a/app/src/main/res/layout/scene_label_list.xml b/app/src/main/res/layout/scene_label_list.xml
deleted file mode 100644
index 1450f6537..000000000
--- a/app/src/main/res/layout/scene_label_list.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <com.hippo.easyrecyclerview.EasyRecyclerView
-        android:id="@+id/recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:clipChildren="false"
-        android:clipToPadding="false"
-        android:padding="@dimen/keyline_margin" />
-
-    <TextView
-        android:id="@+id/tip"
-        style="@style/TextAppearance.AppCompat.Medium"
-        android:layout_width="228dp"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:drawablePadding="16dp"
-        android:gravity="center_horizontal" />
-
-</FrameLayout>
diff --git a/app/src/main/res/menu/scene_download_label.xml b/app/src/main/res/menu/scene_download_label.xml
deleted file mode 100644
index f701b5a05..000000000
--- a/app/src/main/res/menu/scene_download_label.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/action_add"
-        android:icon="@drawable/v_plus_dark_x24"
-        android:title="@string/add"
-        app:showAsAction="always" />
-
-</menu>
diff --git a/app/src/main/res/values-night/colors.xml b/app/src/main/res/values-night/colors.xml
index 48c699aa9..d0b5d011f 100644
--- a/app/src/main/res/values-night/colors.xml
+++ b/app/src/main/res/values-night/colors.xml
@@ -18,7 +18,6 @@
 
     <color name="primary_drawable">#ffffffff</color>
     <color name="secondary_drawable">#4dffffff</color>
-    <color name="background">#ff303030</color>
 
     <color name="content">@color/grey_825</color>
     <color name="content_activated">@color/grey_600</color>
@@ -27,113 +26,19 @@
     <color name="tag_group_background">@color/grey_775</color>
     <color name="tag_background">@color/grey_775</color>
     <color name="gallery_detail_button_background">@color/grey_800</color>
-    <color name="red_500">#fff44336</color>
-    <color name="teal_500">#ff009688</color>
-    <color name="teal_700">#ff00796b</color>
-    <color name="purple_500">#ff9c27b0</color>
-    <color name="purple_a200">#ffe040fb</color>
-    <color name="purple_a400">#ffd500f9</color>
-    <color name="purple_a700">#ffaa00ff</color>
-    <color name="cyan_600">#ff00acc1</color>
-    <color name="light_green_600">#ff7cb342</color>
-    <color name="yellow_800">#fff9a825</color>
-    <color name="deep_orange_400">#ffff7043</color>
-    <color name="grey_975">#ff080808</color>
-    <color name="grey_950">#ff111111</color>
-    <color name="grey_925">#ff191919</color>
-    <color name="grey_900">#ff212121</color>
-    <color name="grey_875">#ff292929</color>
-    <color name="grey_850">#ff323232</color>
-    <color name="grey_825">#ff3a3a3a</color>
-    <color name="grey_800">#ff424242</color>
-    <color name="grey_775">#ff4a4a4a</color>
-    <color name="grey_750">#ff525252</color>
-    <color name="grey_725">#ff595959</color>
-    <color name="grey_700">#ff616161</color>
-    <color name="grey_675">#ff666666</color>
-    <color name="grey_650">#ff6b6b6b</color>
-    <color name="grey_625">#ff707070</color>
-    <color name="grey_600">#ff757575</color>
-    <color name="grey_575">#ff7f7f7f</color>
-    <color name="grey_550">#ff8a8a8a</color>
-    <color name="grey_525">#ff949494</color>
-    <color name="grey_500">#ff9e9e9e</color>
-    <color name="grey_475">#ffa6a6a6</color>
-    <color name="grey_450">#ffaeaeae</color>
-    <color name="grey_425">#ffb5b5b5</color>
-    <color name="grey_400">#ffbdbdbd</color>
-    <color name="grey_375">#ffc6c6c6</color>
-    <color name="grey_350">#ffcfcfcf</color>
-    <color name="grey_325">#ffd7d7d7</color>
-    <color name="grey_300">#ffe0e0e0</color>
-    <color name="grey_275">#ffe4e4e4</color>
-    <color name="grey_250">#ffe7e7e7</color>
-    <color name="grey_225">#ffebebeb</color>
-    <color name="grey_200">#ffeeeeee</color>
-    <color name="grey_175">#fff0f0f0</color>
-    <color name="grey_150">#fff2f2f2</color>
-    <color name="grey_125">#fff3f3f3</color>
-    <color name="grey_100">#fff5f5f5</color>
-    <color name="brown_500">#ff795548</color>
-
-    <color name="colorPrimary">@color/teal_500</color>
-    <color name="colorPrimaryDark">@color/teal_700</color>
-    <color name="colorAccent">@color/purple_a200</color>
-
-    <color name="translucent_bg">#80ffffff</color>
-
-    <color name="loading_indicator_red">#ffe53935</color>
-    <color name="loading_indicator_purple">@color/purple_a700</color>
-    <color name="loading_indicator_blue">#ff1d87e4</color>
-    <color name="loading_indicator_cyan">@color/cyan_600</color>
-    <color name="loading_indicator_green">@color/light_green_600</color>
-    <color name="loading_indicator_yellow">@color/yellow_800</color>
-    <color name="loading_indicator_orange">@color/deep_orange_400</color>
-
-    <color name="check_text_view_mask">#4a000000</color>
-
-    <!-- Red -->
-    <color name="doujinshi">#fff44336</color>
-    <!-- Orange -->
-    <color name="manga">#ffff9800</color>
-    <!-- Yellow 700 -->
-    <color name="artist_cg">#ffFbc02d</color>
-    <!-- Green -->
-    <color name="game_cg">#ff4caf50</color>
-    <!-- Light Green -->
-    <color name="western">#ff8bc34a</color>
-    <!-- Blue -->
-    <color name="non_h">#ff2196f3</color>
-    <!-- Indigo -->
-    <color name="image_set">#ff3f51b5</color>
-    <!-- Purple -->
-    <color name="cosplay">#ff9c27b0</color>
-    <!-- Deep Purple 300 -->
-    <color name="asian_porn">#ff9575cd</color>
-    <!-- Pink 300 -->
-    <color name="misc">#fff06292</color>
-    <color name="unknown_bg">@android:color/black</color>
 
     <!-- divider -->
     <color name="divider">#20ffffff</color>
 
     <!-- shadow -->
-    <color name="shadow">#38000000</color>
 
     <!-- Gallery Activity -->
     <color name="gallery_slider_background">@color/grey_900</color>
 
-    <color name="big_icon">#1f000000</color>
-
-    <color name="guide_bg">#e5009688</color>
-
     <!-- Lock pattern view -->
     <color name="lock_pattern_view_regular_color">#8affffff</color>
-    <color name="lock_pattern_view_success_color">@color/colorPrimary</color>
-    <color name="lock_pattern_view_error_color">@color/red_500</color>
 
     <!--Shortcut background-->
-    <color name="shortcut_bg">#F5F5F5</color>
     <color name="colorNavigationBar">@color/colorBackground</color>
     <color name="colorBackground">#303030</color>
 </resources>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index d35512d35..51b9ad4a0 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -16,18 +16,6 @@
 
 <resources xmlns:tools="http://schemas.android.com/tools">
 
-    <string-array name="theme_entries" translatable="false">
-        <item>@string/settings_eh_theme_light</item>
-        <item>@string/settings_eh_theme_dark</item>
-        <item>@string/settings_eh_theme_black</item>
-    </string-array>
-
-    <string-array name="theme_entry_values" translatable="false">
-        <item>0</item>
-        <item>1</item>
-        <item>2</item>
-    </string-array>
-
     <string-array name="list_mode_entries" translatable="false">
         <item>@string/settings_eh_list_mode_detail</item>
         <item>@string/settings_eh_list_mode_thumb</item>
@@ -249,11 +237,6 @@
         <item>640</item>
     </string-array>
 
-    <string-array name="gallery_list_menu_entries">
-        <item>@string/download</item>
-        <item>@string/add_to_favourites</item>
-    </string-array>
-
     <string-array name="filter_entries">
         <item>@string/filter_title</item>
         <item>@string/filter_uploader</item>
@@ -261,11 +244,6 @@
         <item>@string/filter_tag_namespace</item>
     </string-array>
 
-    <string-array name="tag_menu_entries">
-        <item>@string/show_definition</item>
-        <item>@string/add_filter</item>
-    </string-array>
-
     <string-array name="app_language_entries">
         <item>@string/app_language_system</item>
         <item>@string/app_language_de</item>
diff --git a/app/src/main/res/values/bools.xml b/app/src/main/res/values/bools.xml
index 09e800ddb..7cadf1133 100644
--- a/app/src/main/res/values/bools.xml
+++ b/app/src/main/res/values/bools.xml
@@ -16,7 +16,6 @@
 
 <resources>
 
-    <bool name="beta">false</bool>
     <bool name="dad_spin_bars">true</bool>
     <bool name="lightNavigationBar">true</bool>
 
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 7a6021ed6..f1ab4ceca 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -24,18 +24,13 @@
     <!-- secondary_drawable_black   24% -->
     <color name="primary_drawable">#8a000000</color>
     <color name="secondary_drawable">#42000000</color>
-    <color name="primary_drawable_light">#8a000000</color>
-    <color name="secondary_drawable_light">#42000000</color>
     <color name="primary_drawable_dark">#ffffffff</color>
-    <color name="secondary_drawable_dark">#4dffffff</color>
     <color name="primary_drawable_black">#ccffffff</color>
     <color name="secondary_drawable_black">#3dffffff</color>
 
     <color name="primary_text_default_material_black">#d9ffffff</color>
     <color name="primary_text_disabled_material_black">#4dffffff</color>
 
-    <color name="background">#fffafafa</color>
-
     <color name="content">#fff</color>
     <color name="content_black">@color/grey_925</color>
 
@@ -60,16 +55,12 @@
     <color name="red_500">#fff44336</color>
     <color name="teal_500">#ff009688</color>
     <color name="teal_700">#ff00796b</color>
-    <color name="purple_500">#ff9c27b0</color>
     <color name="purple_a200">#ffe040fb</color>
-    <color name="purple_a400">#ffd500f9</color>
     <color name="purple_a700">#ffaa00ff</color>
     <color name="cyan_600">#ff00acc1</color>
     <color name="light_green_600">#ff7cb342</color>
     <color name="yellow_800">#fff9a825</color>
     <color name="deep_orange_400">#ffff7043</color>
-    <color name="grey_975">#ff080808</color>
-    <color name="grey_950">#ff111111</color>
     <color name="grey_925">#ff191919</color>
     <color name="grey_900">#ff212121</color>
     <color name="grey_875">#ff292929</color>
@@ -77,32 +68,11 @@
     <color name="grey_825">#ff3a3a3a</color>
     <color name="grey_800">#ff424242</color>
     <color name="grey_775">#ff4a4a4a</color>
-    <color name="grey_750">#ff525252</color>
-    <color name="grey_725">#ff595959</color>
     <color name="grey_700">#ff616161</color>
-    <color name="grey_675">#ff666666</color>
-    <color name="grey_650">#ff6b6b6b</color>
-    <color name="grey_625">#ff707070</color>
     <color name="grey_600">#ff757575</color>
-    <color name="grey_575">#ff7f7f7f</color>
-    <color name="grey_550">#ff8a8a8a</color>
-    <color name="grey_525">#ff949494</color>
     <color name="grey_500">#ff9e9e9e</color>
-    <color name="grey_475">#ffa6a6a6</color>
-    <color name="grey_450">#ffaeaeae</color>
-    <color name="grey_425">#ffb5b5b5</color>
-    <color name="grey_400">#ffbdbdbd</color>
-    <color name="grey_375">#ffc6c6c6</color>
-    <color name="grey_350">#ffcfcfcf</color>
-    <color name="grey_325">#ffd7d7d7</color>
     <color name="grey_300">#ffe0e0e0</color>
-    <color name="grey_275">#ffe4e4e4</color>
-    <color name="grey_250">#ffe7e7e7</color>
-    <color name="grey_225">#ffebebeb</color>
     <color name="grey_200">#ffeeeeee</color>
-    <color name="grey_175">#fff0f0f0</color>
-    <color name="grey_150">#fff2f2f2</color>
-    <color name="grey_125">#fff3f3f3</color>
     <color name="grey_100">#fff5f5f5</color>
     <color name="brown_500">#ff795548</color>
 
@@ -110,8 +80,6 @@
     <color name="colorPrimaryDark">@color/teal_700</color>
     <color name="colorAccent">@color/purple_a200</color>
 
-    <color name="translucent_bg">#80ffffff</color>
-
     <color name="loading_indicator_red">#ffe53935</color>
     <color name="loading_indicator_purple">@color/purple_a700</color>
     <color name="loading_indicator_blue">#ff1d87e4</color>
@@ -142,20 +110,16 @@
     <color name="asian_porn">#ff9575cd</color>
     <!-- Pink 300 -->
     <color name="misc">#fff06292</color>
-    <color name="unknown_bg">@android:color/black</color>
 
     <!-- divider -->
     <color name="divider">#20000000</color>
 
     <color name="divider_black">#20ffffff</color>
     <!-- shadow -->
-    <color name="shadow">#38000000</color>
 
     <!-- Gallery Activity -->
     <color name="gallery_slider_background">@color/grey_100</color>
 
-    <color name="big_icon">#1f000000</color>
-
     <color name="guide_bg">#e5009688</color>
 
     <!-- Lock pattern view -->
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index f923fb77b..84d96527e 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -20,13 +20,9 @@
     <dimen name="single_max_width">260dp</dimen>
     <dimen name="drawer_max_width">280dp</dimen>
 
-    <dimen name="dialog_padding_top_material">18dp</dimen>
-
     <!-- Text size -->
     <dimen name="text_super_large">24sp</dimen>
-    <dimen name="text_large">22sp</dimen>
     <dimen name="text_little_large">20sp</dimen>
-    <dimen name="text_medium">18sp</dimen>
     <dimen name="text_little_small">16sp</dimen>
     <dimen name="text_small">14sp</dimen>
     <dimen name="text_super_small">12sp</dimen>
@@ -118,7 +114,6 @@
     <dimen name="gallery_detail_thumb_width">128dp</dimen>
     <dimen name="gallery_detail_thumb_height">192dp</dimen>
 
-    <dimen name="gallery_page_text">56sp</dimen>
     <dimen name="gallery_widget_margin_h">12dp</dimen>
     <dimen name="gallery_widget_margin_v">12dp</dimen>
 
@@ -131,8 +126,6 @@
 
     <!-- Custom preference -->
     <dimen name="preference_widget_width">48dp</dimen>
-    <dimen name="preference_item_padding_side">8dip</dimen>
-    <dimen name="preference_item_padding_inner">8dip</dimen>
 
     <!-- Gallery -->
     <dimen name="gallery_pager_interval">48dp</dimen>
diff --git a/app/src/main/res/values/drawables.xml b/app/src/main/res/values/drawables.xml
index 7744e8084..0c49197d4 100644
--- a/app/src/main/res/values/drawables.xml
+++ b/app/src/main/res/values/drawables.xml
@@ -15,9 +15,6 @@
   -->
 <resources>
 
-    <drawable name="grey_200">@color/grey_200</drawable>
-    <drawable name="grey_800">@color/grey_800</drawable>
-    <drawable name="grey_900">@color/grey_900</drawable>
     <drawable name="transparent">@android:color/transparent</drawable>
     <drawable name="tile_background_activated">#7f9c27b0</drawable>
     <drawable name="sadpanda_low_poly">@color/colorPrimary</drawable>
diff --git a/app/src/main/res/values/pathdata.xml b/app/src/main/res/values/pathdata.xml
index 634c2cbaa..d65b6f3e9 100644
--- a/app/src/main/res/values/pathdata.xml
+++ b/app/src/main/res/values/pathdata.xml
@@ -21,7 +21,6 @@
     <string name="pd_play" translatable="false">M8,5.14V19.14L19,12.14L8,5.14Z</string>
     <string name="pd_check_all" translatable="false">M0.41,13.41L6,19L7.41,17.58L1.83,12M22.24,5.58L11.66,16.17L7.5,12L6.07,13.41L11.66,19L23.66,7M18,7L16.59,5.58L10.24,11.93L11.66,13.34L18,7Z</string>
     <string name="pd_folder_move" translatable="false">M9,18V15H5V11H9V8L14,13M20,6H12L10,4H4C2.89,4 2,4.89 2,6V18A2,2 0 0,0 4,20H20A2,2 0 0,0 22,18V8C22,6.89 21.1,6 20,6Z</string>
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@@ -38,12 +37,10 @@
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@@ -53,7 +50,6 @@
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@@ -61,28 +57,17 @@
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-    <string name="pd_sad_panda_left_ear" translatable="false">M21.1,7.8C22.2,7.4,23,6.3,23,5C23,3.3,21.7,2,20,2C18.9,2,17.9,2.6,17.4,3.6L21.1,7.8Z</string>
-    <string name="pd_sad_panda_right_ear" translatable="false">M6.6,3.6C6.1,2.6,5.1,2,4,2C2.3,2,1,3.3,1,5C1,6.3,1.8,7.4,2.9,7.8L6.6,3.6Z</string>
-    <string name="pd_sad_panda_left_eye" translatable="false">M10.1,13L8,15.1C7.4,15.7,6.5,15.7,5.9,15.1L5.9,15.1C5.3,14.5,5.3,13.6,5.9,13L8,10.9C8.6,10.3,9.5,10.3,10.1,10.9L10.1,10.9C10.7,11.5,10.7,12.4,10.1,13Z</string>
-    <string name="pd_sad_panda_right_eye" translatable="false">M16,15.1L13.9,13C13.3,12.4,13.3,11.5,13.9,10.9L13.9,10.9C14.5,10.3,15.4,10.3,16,10.9L18.1,13C18.7,13.6,18.7,14.5,18.1,15.1L18.1,15.1C17.5,15.7,16.6,15.7,16,15.1Z</string>
-    <string name="pd_sad_panda_nose" translatable="false">M12,17C12.8,17,13.5,17.4,13.5,18S12.8,19,12,19S10.5,18.6,10.5,18S11.2,17,12,17Z</string>
     <string name="pd_sad_panda" translatable="false">M21.1,7.8C22.2,7.4,23,6.3,23,5C23,3.3,21.7,2,20,2C18.9,2,17.9,2.6,17.4,3.6L21.1,7.8M6.6,3.6C6.1,2.6,5.1,2,4,2C2.3,2,1,3.3,1,5C1,6.3,1.8,7.4,2.9,7.8L6.6,3.6M10.1,13L8,15.1C7.4,15.7,6.5,15.7,5.9,15.1L5.9,15.1C5.3,14.5,5.3,13.6,5.9,13L8,10.9C8.6,10.3,9.5,10.3,10.1,10.9L10.1,10.9C10.7,11.5,10.7,12.4,10.1,13M16,15.1L13.9,13C13.3,12.4,13.3,11.5,13.9,10.9L13.9,10.9C14.5,10.3,15.4,10.3,16,10.9L18.1,13C18.7,13.6,18.7,14.5,18.1,15.1L18.1,15.1C17.5,15.7,16.6,15.7,16,15.1M12,17C12.8,17,13.5,17.4,13.5,18S12.8,19,12,19S10.5,18.6,10.5,18S11.2,17,12,17Z</string>
-    <string name="pd_sad_panda_face" translatable="false">M17.4,3.6C15.8,2.6,14,2,12,2S8.2,2.6,6.6,3.6L2.9,7.8C2.3,9.1,2,10.5,2,12C2,17.5,6.5,22,12,22S22,17.5,22,12C22,10.5,21.7,9.1,21.1,7.8L17.4,3.6Z</string>
     <string name="pd_archive" translatable="false">M19.35,10.04C18.67,6.59 15.64,4 12,4 9.11,4 6.6,5.64 5.35,8.04 2.34,8.36 0,10.91 0,14c0,3.31 2.69,6 6,6h13c2.76,0 5,-2.24 5,-5 0,-2.64 -2.05,-4.78 -4.65,-4.96zM10,17l-3.5,-3.5 1.41,-1.41L10,14.17 15.18,9l1.41,1.41L10,17z</string>
 
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 0b0b9454a..09d223b2d 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -31,16 +31,6 @@
         <item name="android:minHeight">48dp</item>
     </style>
 
-    <style name="ProgressView.Small">
-        <item name="android:minWidth">16dp</item>
-        <item name="android:minHeight">16dp</item>
-    </style>
-
-    <style name="ProgressView.Large">
-        <item name="android:minWidth">76dp</item>
-        <item name="android:minHeight">76dp</item>
-    </style>
-
     <style name="TextAppearance.CardTitle">
         <item name="android:textSize">@dimen/text_little_small</item>
         <item name="android:textColor">?android:attr/textColorPrimary</item>
@@ -97,10 +87,6 @@
         <item name="android:textColor">?attr/colorPrimary</item>
     </style>
 
-    <style name="ButtonInCard.Accent">
-        <item name="android:textColor">?attr/colorAccent</item>
-    </style>
-
     <style name="Slider">
         <item name="thickness">2dp</item>
         <item name="radius">6dp</item>
@@ -110,27 +96,15 @@
         <item name="dark">false</item>
     </style>
 
-    <style name="Slider.Dark">
-        <item name="dark">true</item>
-    </style>
-
     <style name="Indicating">
         <item name="indicatorHeight">1dp</item>
         <item name="indicatorColor">?attr/dividerColor</item>
     </style>
 
-    <style name="Widget.Design.FloatingActionButton.Mini">
-        <item name="fabSize">mini</item>
-    </style>
-
     <style name="Guide.Title" parent="TextAppearance.AppCompat.Title">
         <item name="android:textColor">?attr/guideTitleColor</item>
     </style>
 
-    <style name="Guide.Text" parent="TextAppearance.AppCompat.Subhead">
-        <item name="android:textColor">?attr/guideTextColor</item>
-    </style>
-
     <style name="CardView.Normal">
         <item name="cardBackgroundColor">?attr/contentColorPrimary</item>
     </style>