diff --git a/app/src/main/res/layout/activity_book_search.xml b/app/src/main/res/layout/activity_book_search.xml
index 682c0b159..c930a94da 100644
--- a/app/src/main/res/layout/activity_book_search.xml
+++ b/app/src/main/res/layout/activity_book_search.xml
@@ -90,6 +90,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_margin="16dp"
+                app:tint="?attr/colorTertiary"
                 app:backgroundTint="?attr/colorTertiaryContainer"
                 android:contentDescription="@string/stop"
                 android:src="@drawable/ic_stop_black_24dp"
diff --git a/app/src/main/res/layout/dialog_book_group_picker.xml b/app/src/main/res/layout/dialog_book_group_picker.xml
index c484e1149..27e842490 100644
--- a/app/src/main/res/layout/dialog_book_group_picker.xml
+++ b/app/src/main/res/layout/dialog_book_group_picker.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
diff --git a/app/src/main/res/layout/dialog_file_chooser.xml b/app/src/main/res/layout/dialog_file_chooser.xml
index 28226b96d..99aa33c75 100644
--- a/app/src/main/res/layout/dialog_file_chooser.xml
+++ b/app/src/main/res/layout/dialog_file_chooser.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
diff --git a/app/src/main/res/layout/dialog_font_select.xml b/app/src/main/res/layout/dialog_font_select.xml
index 0c167cb45..db9e44a3c 100644
--- a/app/src/main/res/layout/dialog_font_select.xml
+++ b/app/src/main/res/layout/dialog_font_select.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
diff --git a/app/src/main/res/layout/view_title_bar_dark.xml b/app/src/main/res/layout/view_title_bar_dark.xml
index f5e11f4e1..3d556e89a 100644
--- a/app/src/main/res/layout/view_title_bar_dark.xml
+++ b/app/src/main/res/layout/view_title_bar_dark.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.appcompat.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/toolbar"
     android:layout_width="match_parent"
     android:layout_height="wrap_content" />