Show action icons on pre-Lollipop

app/src/main/res/menu/list_habits_options.xml

@@ -1,5 +1,4 @@
 <menu 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"
       tools:context="org.isoron.uhabits.MainActivity">
 
@@ -7,6 +6,6 @@
         android:id="@+id/action_add"
         android:icon="@drawable/ic_action_add"
         android:title="@string/add_habit"
-        app:showAsAction="always"/>
+        android:showAsAction="always"/>
 
 </menu>

app/src/main/res/menu/show_habit_fragment_menu.xml

@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
-      xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item
         android:id="@+id/action_edit_habit"
         android:icon="@drawable/ic_action_edit_light"
         android:title="@string/edit"
-        app:showAsAction="ifRoom"/>
+        android:showAsAction="ifRoom"/>
 
 </menu>