diff --git a/app/src/main/java/eu/kanade/tachiyomi/widget/materialdialogs/QuadStateTextView.kt b/app/src/main/java/eu/kanade/tachiyomi/widget/materialdialogs/QuadStateTextView.kt
index 6dc81be15..b6b21fcca 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/widget/materialdialogs/QuadStateTextView.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/widget/materialdialogs/QuadStateTextView.kt
@@ -4,6 +4,7 @@ import android.content.Context
 import android.content.res.ColorStateList
 import android.util.AttributeSet
 import androidx.appcompat.widget.AppCompatTextView
+import androidx.core.widget.TextViewCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.getThemeColor
 
@@ -31,7 +32,7 @@ class QuadStateTextView @JvmOverloads constructor(context: Context, attrs: Attri
             context.getThemeColor(R.attr.colorAccent)
         }
         if (tint != 0) {
-            compoundDrawableTintList = ColorStateList.valueOf(tint)
+            TextViewCompat.setCompoundDrawableTintList(this, ColorStateList.valueOf(tint))
         }
     }
 
diff --git a/app/src/main/res/anim/fade_in_long.xml b/app/src/main/res/anim/fade_in_long.xml
deleted file mode 100644
index 659c29f20..000000000
--- a/app/src/main/res/anim/fade_in_long.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<set xmlns:android="http://schemas.android.com/apk/res/android">
-    <alpha
-        android:duration="2000"
-        android:fillAfter="true"
-        android:fromAlpha="0.0"
-        android:interpolator="@android:anim/accelerate_interpolator"
-        android:toAlpha="1.0" />
-</set>
diff --git a/app/src/main/res/color/nav_selector.xml b/app/src/main/res/color/nav_selector.xml
deleted file mode 100644
index 264e2becf..000000000
--- a/app/src/main/res/color/nav_selector.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Based on mtrl_bottom_nav_colored_item_tint
--->
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:alpha="1.0" android:color="?attr/colorPrimary" android:state_checked="true" />
-    <item android:alpha="0.6" android:color="?attr/colorOnSurface" />
-</selector>
diff --git a/app/src/main/res/drawable/ic_broken_image_grey_24dp.xml b/app/src/main/res/drawable/ic_broken_image_grey_24dp.xml
deleted file mode 100644
index 15b61973a..000000000
--- a/app/src/main/res/drawable/ic_broken_image_grey_24dp.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:alpha=".38"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-    <path
-        android:fillColor="@android:color/black"
-        android:pathData="M21,5v6.59l-3,-3.01 -4,4.01 -4,-4 -4,4 -3,-3.01L3,5c0,-1.1 0.9,-2 2,-2h14c1.1,0 2,0.9 2,2zM18,11.42l3,3.01L21,19c0,1.1 -0.9,2 -2,2L5,21c-1.1,0 -2,-0.9 -2,-2v-6.58l3,2.99 4,-4 4,4 4,-3.99z" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_screen_lock_rotation_24dp.xml b/app/src/main/res/drawable/ic_screen_lock_rotation_24dp.xml
deleted file mode 100644
index bc4ecd68e..000000000
--- a/app/src/main/res/drawable/ic_screen_lock_rotation_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"
-    android:viewportHeight="24">
-    <path
-        android:fillColor="@android:color/black"
-        android:pathData="M23.25,12.77l-2.57,-2.57 -1.41,1.41 2.22,2.22 -5.66,5.66L4.51,8.17l5.66,-5.66 2.1,2.1 1.41,-1.41L11.23,0.75c-0.59,-0.59 -1.54,-0.59 -2.12,0L2.75,7.11c-0.59,0.59 -0.59,1.54 0,2.12l12.02,12.02c0.59,0.59 1.54,0.59 2.12,0l6.36,-6.36c0.59,-0.59 0.59,-1.54 0,-2.12zM8.47,20.48C5.2,18.94 2.86,15.76 2.5,12L1,12c0.51,6.16 5.66,11 11.95,11l0.66,-0.03 -3.81,-3.82 -1.33,1.33zM16,9h5c0.55,0 1,-0.45 1,-1L22,4c0,-0.55 -0.45,-1 -1,-1v-0.5C21,1.12 19.88,0 18.5,0S16,1.12 16,2.5L16,3c-0.55,0 -1,0.45 -1,1v4c0,0.55 0.45,1 1,1zM16.8,2.5c0,-0.94 0.76,-1.7 1.7,-1.7s1.7,0.76 1.7,1.7L20.2,3h-3.4v-0.5z" />
-</vector>
diff --git a/app/src/main/res/layout/navigation_view_group.xml b/app/src/main/res/layout/navigation_view_group.xml
index 762232254..fd4402199 100644
--- a/app/src/main/res/layout/navigation_view_group.xml
+++ b/app/src/main/res/layout/navigation_view_group.xml
@@ -24,6 +24,7 @@
         android:id="@+id/expand_icon"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        app:tint="?attr/colorOnBackground" />
+        app:tint="?attr/colorOnBackground"
+        tools:ignore="ContentDescription" />
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/pref_more_header.xml b/app/src/main/res/layout/pref_more_header.xml
index ae2b20957..c9068c687 100644
--- a/app/src/main/res/layout/pref_more_header.xml
+++ b/app/src/main/res/layout/pref_more_header.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?attr/colorToolbar"
@@ -12,6 +13,7 @@
         android:layout_height="56dp"
         android:layout_gravity="center"
         app:srcCompat="@drawable/ic_tachi"
-        app:tint="?attr/colorOnToolbar" />
+        app:tint="?attr/colorOnToolbar"
+        tools:ignore="ContentDescription" />
 
 </FrameLayout>
diff --git a/app/src/main/res/layout/updates_item.xml b/app/src/main/res/layout/updates_item.xml
index 442807507..413186651 100644
--- a/app/src/main/res/layout/updates_item.xml
+++ b/app/src/main/res/layout/updates_item.xml
@@ -49,8 +49,7 @@
         app:layout_constraintEnd_toStartOf="@id/chapter_title"
         app:srcCompat="@drawable/ic_bookmark_24dp"
         app:tint="?attr/colorAccent"
-        tools:visibility="visible"
-         />
+        tools:visibility="visible" />
 
     <TextView
         android:id="@+id/chapter_title"
diff --git a/app/src/main/res/menu/chapter_selection.xml b/app/src/main/res/menu/chapter_selection.xml
index e224e0da1..a6f241e1f 100644
--- a/app/src/main/res/menu/chapter_selection.xml
+++ b/app/src/main/res/menu/chapter_selection.xml
@@ -7,48 +7,48 @@
         android:icon="@drawable/ic_get_app_24dp"
         android:title="@string/action_download"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_delete"
         android:icon="@drawable/ic_delete_24dp"
         android:title="@string/action_delete"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_bookmark"
         android:icon="@drawable/ic_bookmark_border_24dp"
         android:title="@string/action_bookmark"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_remove_bookmark"
         android:icon="@drawable/ic_bookmark_24dp"
         android:title="@string/action_remove_bookmark"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_read"
         android:icon="@drawable/ic_done_24dp"
         android:title="@string/action_mark_as_read"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_unread"
         android:icon="@drawable/ic_done_outline_24dp"
         android:title="@string/action_mark_as_unread"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_previous_as_read"
         android:icon="@drawable/ic_done_prev_24dp"
         android:title="@string/action_mark_previous_as_read"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
 </menu>
diff --git a/app/src/main/res/menu/full_cover.xml b/app/src/main/res/menu/full_cover.xml
index 5b339e706..5bb2bd382 100644
--- a/app/src/main/res/menu/full_cover.xml
+++ b/app/src/main/res/menu/full_cover.xml
@@ -7,7 +7,7 @@
         android:icon="@drawable/ic_share_24dp"
         android:title="@string/action_share"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/action_save_cover"
         android:icon="@drawable/ic_save_24dp"
@@ -21,4 +21,4 @@
         app:iconTint="?attr/colorOnToolbar"
         app:showAsAction="ifRoom" />
 
-</menu>
\ No newline at end of file
+</menu>
diff --git a/app/src/main/res/menu/library_selection.xml b/app/src/main/res/menu/library_selection.xml
index 136ef7840..d5c0ff465 100644
--- a/app/src/main/res/menu/library_selection.xml
+++ b/app/src/main/res/menu/library_selection.xml
@@ -7,34 +7,34 @@
         android:icon="@drawable/ic_label_24dp"
         android:title="@string/action_move_category"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_download_unread"
         android:icon="@drawable/ic_get_app_24dp"
         android:title="@string/action_download_unread"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_read"
         android:icon="@drawable/ic_done_24dp"
         android:title="@string/action_mark_as_read"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_unread"
         android:icon="@drawable/ic_done_outline_24dp"
         android:title="@string/action_mark_as_unread"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_delete"
         android:icon="@drawable/ic_delete_24dp"
         android:title="@string/action_delete"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
 </menu>
diff --git a/app/src/main/res/menu/migration.xml b/app/src/main/res/menu/migration.xml
deleted file mode 100644
index 7c8458196..000000000
--- a/app/src/main/res/menu/migration.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/action_change_source"
-        android:icon="@drawable/ic_filter_list_24dp"
-        android:title="@string/action_filter"
-        app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
-
-</menu>
diff --git a/app/src/main/res/menu/updates_chapter_selection.xml b/app/src/main/res/menu/updates_chapter_selection.xml
index 1de5670e5..8fe1d6c62 100644
--- a/app/src/main/res/menu/updates_chapter_selection.xml
+++ b/app/src/main/res/menu/updates_chapter_selection.xml
@@ -7,41 +7,41 @@
         android:icon="@drawable/ic_get_app_24dp"
         android:title="@string/action_download"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_delete"
         android:icon="@drawable/ic_delete_24dp"
         android:title="@string/action_delete"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_bookmark"
         android:icon="@drawable/ic_bookmark_border_24dp"
         android:title="@string/action_bookmark"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_remove_bookmark"
         android:icon="@drawable/ic_bookmark_24dp"
         android:title="@string/action_remove_bookmark"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_read"
         android:icon="@drawable/ic_done_24dp"
         android:title="@string/action_mark_as_read"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_mark_as_unread"
         android:icon="@drawable/ic_done_outline_24dp"
         android:title="@string/action_mark_as_unread"
         app:iconTint="?attr/colorOnToolbar"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
 </menu>
diff --git a/app/src/main/res/values-v26/colors.xml b/app/src/main/res/values-v26/colors.xml
deleted file mode 100644
index 5c2c719d0..000000000
--- a/app/src/main/res/values-v26/colors.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-
-    <!-- Reader Theme -->
-    <color name="reader_toolbar">#BF212121</color>
-
-</resources>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 33da89d44..520bb9023 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -55,13 +55,6 @@
         <item>@string/zoom_start_center</item>
     </string-array>
 
-    <string-array name="zoom_start_values">
-        <item>1</item>
-        <item>2</item>
-        <item>3</item>
-        <item>4</item>
-    </string-array>
-
     <string-array name="rotation_type">
         <item>@string/label_default</item>
         <item>@string/rotation_free</item>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index f5cc2e7c8..642fa15e3 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -59,7 +59,6 @@
     <color name="accent_yinyang">#000000</color>
     <color name="color_on_secondary_yinyang">#FFFFFF</color>
     <color name="ripple_colored_yinyang">#999999</color>
-    <color name="chip_text_yinyang">#000000</color>
 
     <!-- Yotsuba Theme -->
     <color name="accent_yotsuba">#FC8C5C</color>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index e5e98b5ee..20ebb3855 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -4,12 +4,10 @@
 
     <dimen name="bottom_sheet_width">0dp</dimen>
 
-    <dimen name="space_between_cards">4dp</dimen>
     <dimen name="card_radius">4dp</dimen>
     <dimen name="card_selector_radius">6dp</dimen>
     <dimen name="dialog_radius">8dp</dimen>
 
-    <dimen name="fab_size">56dp</dimen>
     <dimen name="fab_list_padding">88dp</dimen>
 
     <dimen name="action_toolbar_list_padding">72dp</dimen>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index baec15159..fb1febd2d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -256,7 +256,6 @@
     <string name="ext_unofficial">Unofficial</string>
     <string name="ext_untrusted">Untrusted</string>
     <string name="ext_uninstall">Uninstall</string>
-    <string name="ext_available">Available</string>
     <string name="ext_app_info">App info</string>
     <string name="untrusted_extension">Untrusted extension</string>
     <string name="untrusted_extension_message">This extension was signed with an untrusted certificate and wasn\'t activated.\n\nA malicious extension could read any login credentials stored in Tachiyomi or execute arbitrary code.\n\nBy trusting this certificate you accept these risks.</string>
@@ -282,7 +281,6 @@
     <string name="pref_dual_page_invert">Invert dual page split placement</string>
     <string name="pref_dual_page_invert_summary">If the placement of the dual page split doesn\'t match reading direction</string>
     <string name="pref_cutout_short">Show content in cutout area</string>
-    <string name="pref_lock_orientation">Lock orientation</string>
     <string name="pref_page_transitions">Animate page transitions</string>
     <string name="pref_double_tap_anim_speed">Double tap animation speed</string>
     <string name="pref_show_page_number">Show page number</string>
@@ -511,7 +509,6 @@
     <string name="username">Username</string>
     <string name="email">Email address</string>
     <string name="password">Password</string>
-    <string name="show_password">Show password</string>
     <string name="login">Login</string>
     <string name="login_success">Logged in</string>
     <string name="logout_title">Log out from %1$s?</string>