diff --git a/app/src/main/res/drawable/tab_vertical_background.xml b/app/src/main/res/drawable/tab_vertical_background.xml
deleted file mode 100644
index 6286c4e..0000000
--- a/app/src/main/res/drawable/tab_vertical_background.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<transition xmlns:android="http://schemas.android.com/apk/res/android">
-    <!-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
-    <item android:drawable="@color/transparent"/>
-    <item android:drawable="?selectedBackground"/>
-</transition>
\ No newline at end of file
diff --git a/app/src/main/res/layout/animated_progress_bar.xml b/app/src/main/res/layout/animated_progress_bar.xml
deleted file mode 100644
index 7bb4ad1..0000000
--- a/app/src/main/res/layout/animated_progress_bar.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/progress_background"
-    android:layout_width="match_parent"
-    android:layout_height="5dp"
-    android:orientation="horizontal" >
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 2a550a6..d3d6716 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -6,12 +6,12 @@
         <item>@string/agent_mobile</item>
         <item>@string/agent_custom</item>
     </string-array>
-    
+
     <string-array name="download_folder">
         <item>@string/folder_default</item>
         <item>@string/folder_custom</item>
     </string-array>
-    
+
     <string-array name="homepage">
         <item>@string/action_homepage</item>
         <item>@string/action_blank</item>
@@ -24,14 +24,6 @@
         <item>@string/powered_by_duck</item>
         <item>@string/search_suggestions_off</item>
     </string-array>
-    
-    <string-array name="text_size">
-        <item>@string/size_largest</item>
-        <item>@string/size_large</item>
-        <item>@string/size_normal</item>
-        <item>@string/size_small</item>
-        <item>@string/size_smallest</item>
-    </string-array>
 
     <string-array name="themes">
         <item>@string/light_theme</item>