diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 89986606..898ebc18 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,7 +18,7 @@
     package="com.example.android.sampletvinput"
     xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="25"/>
+    <uses-sdk android:targetSdkVersion="25"/>
 
     <!-- Required to play internet-based streaming contents. -->
     <uses-permission android:name="android.permission.INTERNET" />