diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/FABBehavior.java b/app/src/main/java/com/topjohnwu/magisk/utils/FABBehavior.java
index 14628cd6d..561e5cd1d 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/FABBehavior.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/FABBehavior.java
@@ -23,7 +23,7 @@ import java.util.List;
  * FabMenu in a Coordinator Layout.
  *
  * Remember to use the correct namespace for the fab:
- * xmlns:fab="http://schemas.android.com/apk/res-auto"
+ * xmlns:app="http://schemas.android.com/apk/res-auto"
  */
 public class FABBehavior extends CoordinatorLayout.Behavior {
     private float mTranslationY;
diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index bc6d8004f..479b3bc6d 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -7,7 +7,6 @@
     <include layout="@layout/toolbar"/>
 
     <ScrollView
-        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="fill_parent"
diff --git a/app/src/main/res/layout/fragment_modules.xml b/app/src/main/res/layout/fragment_modules.xml
index 877e47329..430de0b98 100644
--- a/app/src/main/res/layout/fragment_modules.xml
+++ b/app/src/main/res/layout/fragment_modules.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.SwipeRefreshLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:fab="http://schemas.android.com/apk/res-auto"
     android:id="@+id/swipeRefreshLayout"
     android:layout_width="match_parent"
@@ -11,8 +10,6 @@
 
 
     <android.support.design.widget.CoordinatorLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/coordinator"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -25,7 +22,7 @@
             android:layout_height="match_parent"
             android:clipToPadding="false"
             android:dividerHeight="@dimen/card_divider_space"
-            app:layoutManager="android.support.v7.widget.LinearLayoutManager" />
+            fab:layoutManager="android.support.v7.widget.LinearLayoutManager" />
 
         <TextView
             android:id="@+id/empty_rv"
@@ -47,7 +44,7 @@
             android:layout_gravity="bottom|center_horizontal"
             android:layout_marginEnd="113dp"
             android:layout_marginBottom="10dp"
-            app:layout_behavior=".utils.FABBehavior"
+            fab:layout_behavior=".utils.FABBehavior"
             fab:menu_fab_size="normal"
             fab:menu_showShadow="true"
             fab:menu_shadowColor="#66000000"
diff --git a/app/src/main/res/layout/fragment_status.xml b/app/src/main/res/layout/fragment_status.xml
index bac2a3350..821abe153 100644
--- a/app/src/main/res/layout/fragment_status.xml
+++ b/app/src/main/res/layout/fragment_status.xml
@@ -8,8 +8,7 @@
     android:layout_marginTop="?attr/actionBarSize"
     android:orientation="vertical">
 
-    <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
+    <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginBottom="8dp"
diff --git a/app/src/main/res/layout/list_item_app.xml b/app/src/main/res/layout/list_item_app.xml
index 98dfa37ba..f01d18fbc 100644
--- a/app/src/main/res/layout/list_item_app.xml
+++ b/app/src/main/res/layout/list_item_app.xml
@@ -22,7 +22,6 @@
         android:padding="@dimen/card_layout_padding">
 
         <ImageView
-            xmlns:android="http://schemas.android.com/apk/res/android"
             android:id="@+id/app_icon"
             android:layout_width="@dimen/card_appicon_size"
             android:layout_height="@dimen/card_appicon_size"