diff --git a/myTracks/src/main/res/menu/list_context_menu.xml b/myTracks/src/main/res/menu/list_context_menu.xml
index 1d7efa10b..925283e7d 100644
--- a/myTracks/src/main/res/menu/list_context_menu.xml
+++ b/myTracks/src/main/res/menu/list_context_menu.xml
@@ -13,32 +13,31 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:id="@+id/list_context_menu_share"
         android:icon="@drawable/ic_menu_share"
         android:title="@string/menu_share"
         android:actionProviderClass="android.widget.ShareActionProvider"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/list_context_menu_show_on_map"
         android:icon="@drawable/ic_menu_show_on_map"
         android:title="@string/menu_show_on_map"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/list_context_menu_edit"
         android:icon="@drawable/ic_menu_edit"
         android:title="@string/menu_edit"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/list_context_menu_delete"
         android:icon="@drawable/ic_menu_delete"
         android:title="@string/menu_delete"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/list_context_menu_select_all"
         android:icon="@drawable/ic_menu_select_all"
         android:title="@string/menu_select_all"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
 </menu>
\ No newline at end of file
diff --git a/myTracks/src/main/res/menu/marker_detail.xml b/myTracks/src/main/res/menu/marker_detail.xml
index 72cddfff9..b7c90a05b 100644
--- a/myTracks/src/main/res/menu/marker_detail.xml
+++ b/myTracks/src/main/res/menu/marker_detail.xml
@@ -13,21 +13,20 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:id="@+id/marker_detail_show_on_map"
         android:icon="@drawable/ic_menu_show_on_map"
         android:title="@string/menu_show_on_map"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/marker_detail_edit"
         android:icon="@drawable/ic_menu_edit"
         android:title="@string/menu_edit"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/marker_detail_delete"
         android:icon="@drawable/ic_menu_delete"
         android:title="@string/menu_delete"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
 </menu>
\ No newline at end of file
diff --git a/myTracks/src/main/res/menu/marker_list.xml b/myTracks/src/main/res/menu/marker_list.xml
index b94a7089c..435d09b13 100644
--- a/myTracks/src/main/res/menu/marker_list.xml
+++ b/myTracks/src/main/res/menu/marker_list.xml
@@ -13,17 +13,16 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:id="@+id/marker_list_insert_marker"
         android:icon="@drawable/ic_menu_insert_marker"
         android:title="@string/menu_insert_marker"
-        app:showAsAction="ifRoom" />
+        android:showAsAction="ifRoom" />
     <item
         android:id="@+id/marker_list_search"
         android:icon="@drawable/ic_menu_search"
         android:title="@string/menu_search"
         android:actionViewClass="android.widget.SearchView"
-        app:showAsAction="ifRoom|collapseActionView" />
+        android:showAsAction="ifRoom|collapseActionView" />
 </menu>
\ No newline at end of file