diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
deleted file mode 100644
index 80d17b028..000000000
--- a/app/src/main/res/layout/activity_about.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto"
-	android:id="@+id/fragment_about"
-	android:layout_width="match_parent"
-	android:layout_height="match_parent">
-
-	<com.google.android.material.appbar.AppBarLayout
-		android:id="@+id/appbar"
-		style="@style/Widget.Kotatsu.AppBar"
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content">
-
-		<com.google.android.material.appbar.MaterialToolbar
-			android:id="@+id/toolbar"
-			style="@style/Widget.Kotatsu.Toolbar"
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content" />
-
-	</com.google.android.material.appbar.AppBarLayout>
-
-	<androidx.fragment.app.FragmentContainerView
-		android:id="@+id/container"
-		android:layout_width="match_parent"
-		android:layout_height="match_parent"
-		android:name="org.koitharu.kotatsu.about.AboutFragment"
-		app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_copyright.xml b/app/src/main/res/layout/fragment_copyright.xml
index d77f49e1d..fe9c3e4e1 100644
--- a/app/src/main/res/layout/fragment_copyright.xml
+++ b/app/src/main/res/layout/fragment_copyright.xml
@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.core.widget.NestedScrollView
+<ScrollView
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	android:id="@+id/scrollView"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent">
 
-	<androidx.appcompat.widget.AppCompatTextView
+	<TextView
 		android:id="@+id/textView"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:padding="16dp"
 		android:textIsSelectable="true" />
 
-</androidx.core.widget.NestedScrollView>
\ No newline at end of file
+</ScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_gratitudes.xml b/app/src/main/res/layout/fragment_gratitudes.xml
deleted file mode 100644
index d77f49e1d..000000000
--- a/app/src/main/res/layout/fragment_gratitudes.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.core.widget.NestedScrollView
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:id="@+id/scrollView"
-	android:layout_width="match_parent"
-	android:layout_height="match_parent">
-
-	<androidx.appcompat.widget.AppCompatTextView
-		android:id="@+id/textView"
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content"
-		android:padding="16dp"
-		android:textIsSelectable="true" />
-
-</androidx.core.widget.NestedScrollView>
\ No newline at end of file