diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f3160f28e..a4ffff035 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,7 +18,6 @@
         tools:ignore="AllowBackup">
         <activity
             android:name=".VideoItemListActivity"
-            android:configChanges="orientation|screenSize"
             android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -28,9 +27,7 @@
         </activity>
         <activity
             android:name=".VideoItemDetailActivity"
-            android:configChanges="orientation|screenSize"
             android:label="@string/title_videoitem_detail"
-            android:screenOrientation="portrait"
             android:theme="@style/AppTheme">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"