diff --git a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.java
index db99a76a8..d23717fbe 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.java
@@ -321,7 +321,6 @@ public final class MainActivity extends StageActivity
         View headerLayout = mNavView.getHeaderView(0);
         mAvatar = (LoadImageView) ViewUtils.$$(headerLayout, R.id.avatar);
         mDisplayName = (TextView) ViewUtils.$$(headerLayout, R.id.display_name);
-        mDrawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
 
         updateProfile();
 
diff --git a/app/src/main/res/values-night-v29/colors.xml b/app/src/main/res/values-night-v29/colors.xml
deleted file mode 100644
index 1c01a12e7..000000000
--- a/app/src/main/res/values-night-v29/colors.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <color name="colorNavigationBar">@android:color/transparent</color>
-</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
deleted file mode 100644
index 1c01a12e7..000000000
--- a/app/src/main/res/values-v29/colors.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <color name="colorNavigationBar">@android:color/transparent</color>
-</resources>
\ No newline at end of file