diff --git a/app/build.gradle b/app/build.gradle
index cb78c07bc..ee577a846 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -81,7 +81,7 @@ dependencies {
     implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
     implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
 
-    def room_version = "2.2.5"
+    def room_version = "2.2.6"
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
diff --git a/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt b/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt
index 889859df2..d61d09461 100644
--- a/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt
+++ b/app/src/main/java/io/github/muntashirakon/music/activities/MainActivity.kt
@@ -58,7 +58,6 @@ import io.github.muntashirakon.music.model.CategoryInfo
 import io.github.muntashirakon.music.model.Song
 import io.github.muntashirakon.music.repository.PlaylistSongsLoader
 import io.github.muntashirakon.music.service.MusicService
-import io.github.muntashirakon.music.util.AppRater
 import io.github.muntashirakon.music.util.PreferenceUtil
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch