diff --git a/app/src/main/res/layout/preference_widget_seekbar.xml b/app/src/main/res/layout/preference_widget_seekbar.xml
deleted file mode 100644
index 595a3a0f7..000000000
--- a/app/src/main/res/layout/preference_widget_seekbar.xml
+++ /dev/null
@@ -1,72 +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:background="?android:attr/activatedBackgroundIndicator"
-    android:clipToPadding="false"
-    android:gravity="center_vertical"
-    android:minHeight="?attr/listPreferredItemHeightSmall"
-    android:paddingLeft="?attr/listPreferredItemPaddingLeft"
-    android:paddingRight="?attr/listPreferredItemPaddingRight">
-
-    <RelativeLayout
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1"
-        android:paddingTop="16dp"
-        android:paddingBottom="16dp">
-
-        <TextView
-            android:id="@android:id/title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:ellipsize="marquee"
-            android:singleLine="true"
-            android:textAppearance="?attr/textAppearanceListItem" />
-
-        <TextView
-            android:id="@android:id/summary"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_below="@android:id/title"
-            android:layout_alignLeft="@android:id/title"
-            android:maxLines="10"
-            android:textAppearance="?attr/textAppearanceListItemSecondary"
-            android:textColor="?android:attr/textColorSecondary" />
-
-        <!-- Preference should place its actual preference widget here. -->
-        <LinearLayout
-            android:id="@android:id/widget_frame"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_below="@android:id/summary"
-            android:layout_alignLeft="@android:id/title"
-            android:gravity="center"
-            android:minWidth="@dimen/preference_widget_width"
-            android:orientation="vertical" />
-
-        <SeekBar
-            android:id="@+id/seekbar"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_below="@android:id/summary"
-            android:layout_alignParentRight="true"
-            android:layout_toRightOf="@android:id/widget_frame" />
-
-    </RelativeLayout>
-</LinearLayout>
diff --git a/app/src/main/res/values-land/dimens.xml b/app/src/main/res/values-land/dimens.xml
index 545ea2807..998c5d4b6 100644
--- a/app/src/main/res/values-land/dimens.xml
+++ b/app/src/main/res/values-land/dimens.xml
@@ -17,6 +17,5 @@
 <resources>
 
     <!-- Custom preference -->
-    <dimen name="preference_widget_width">72dp</dimen>
 
 </resources>
diff --git a/app/src/main/res/values-large/dimens.xml b/app/src/main/res/values-large/dimens.xml
index bd716a07c..998c5d4b6 100644
--- a/app/src/main/res/values-large/dimens.xml
+++ b/app/src/main/res/values-large/dimens.xml
@@ -17,6 +17,5 @@
 <resources>
 
     <!-- Custom preference -->
-    <dimen name="preference_widget_width">56dp</dimen>
 
 </resources>
diff --git a/app/src/main/res/values-night-v29/colors.xml b/app/src/main/res/values-night-v29/colors.xml
index 1c01a12e7..73862c416 100644
--- a/app/src/main/res/values-night-v29/colors.xml
+++ b/app/src/main/res/values-night-v29/colors.xml
@@ -1,3 +1 @@
-<resources>
-    <color name="colorNavigationBar">@android:color/transparent</color>
-</resources>
\ No newline at end of file
+<resources></resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-night/bools.xml b/app/src/main/res/values-night/bools.xml
index 63b165bf9..f4a0154d9 100644
--- a/app/src/main/res/values-night/bools.xml
+++ b/app/src/main/res/values-night/bools.xml
@@ -16,6 +16,4 @@
 
 <resources>
 
-    <bool name="lightNavigationBar">false</bool>
-
 </resources>
diff --git a/app/src/main/res/values-night/colors.xml b/app/src/main/res/values-night/colors.xml
index d0b5d011f..2da95dddf 100644
--- a/app/src/main/res/values-night/colors.xml
+++ b/app/src/main/res/values-night/colors.xml
@@ -39,6 +39,5 @@
     <color name="lock_pattern_view_regular_color">#8affffff</color>
 
     <!--Shortcut background-->
-    <color name="colorNavigationBar">@color/colorBackground</color>
     <color name="colorBackground">#303030</color>
 </resources>
diff --git a/app/src/main/res/values-sw720dp-w1280dp/dimens.xml b/app/src/main/res/values-sw720dp-w1280dp/dimens.xml
index 0befcd8e6..998c5d4b6 100644
--- a/app/src/main/res/values-sw720dp-w1280dp/dimens.xml
+++ b/app/src/main/res/values-sw720dp-w1280dp/dimens.xml
@@ -17,6 +17,5 @@
 <resources>
 
     <!-- Custom preference -->
-    <dimen name="preference_widget_width">64dp</dimen>
 
 </resources>
diff --git a/app/src/main/res/values-v27/colors.xml b/app/src/main/res/values-v27/colors.xml
index d98b6c0d3..73862c416 100644
--- a/app/src/main/res/values-v27/colors.xml
+++ b/app/src/main/res/values-v27/colors.xml
@@ -1,3 +1 @@
-<resources>
-    <color name="colorNavigationBar">@android:color/white</color>
-</resources>
\ No newline at end of file
+<resources></resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-v29/colors.xml b/app/src/main/res/values-v29/colors.xml
index 1c01a12e7..73862c416 100644
--- a/app/src/main/res/values-v29/colors.xml
+++ b/app/src/main/res/values-v29/colors.xml
@@ -1,3 +1 @@
-<resources>
-    <color name="colorNavigationBar">@android:color/transparent</color>
-</resources>
\ No newline at end of file
+<resources></resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/bools.xml b/app/src/main/res/values/bools.xml
index 7cadf1133..1a3932eb5 100644
--- a/app/src/main/res/values/bools.xml
+++ b/app/src/main/res/values/bools.xml
@@ -17,6 +17,5 @@
 <resources>
 
     <bool name="dad_spin_bars">true</bool>
-    <bool name="lightNavigationBar">true</bool>
 
 </resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index f1ab4ceca..166279d9a 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -129,6 +129,5 @@
 
     <!--Shortcut background-->
     <color name="shortcut_bg">#F5F5F5</color>
-    <color name="colorNavigationBar">@color/colorPrimaryDark</color>
     <color name="colorBackground">#fff</color>
 </resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 84d96527e..b6e6cb15a 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -125,7 +125,6 @@
     <dimen name="lock_pattern_dot_size_activated">28dp</dimen>
 
     <!-- Custom preference -->
-    <dimen name="preference_widget_width">48dp</dimen>
 
     <!-- Gallery -->
     <dimen name="gallery_pager_interval">48dp</dimen>