diff --git a/app/src/main/java/org/schabi/newpipe/player/Player.java b/app/src/main/java/org/schabi/newpipe/player/Player.java
index bbc85863a07..d240a94f9cd 100644
--- a/app/src/main/java/org/schabi/newpipe/player/Player.java
+++ b/app/src/main/java/org/schabi/newpipe/player/Player.java
@@ -134,7 +134,6 @@
 import com.squareup.picasso.Picasso;
 import com.squareup.picasso.Target;
 
-import org.jetbrains.annotations.NotNull;
 import org.schabi.newpipe.DownloaderImpl;
 import org.schabi.newpipe.MainActivity;
 import org.schabi.newpipe.R;
@@ -628,7 +627,7 @@ public void onAnimationEnd() {
                     }
 
                     @Override
-                    public Boolean shouldFastForward(@NotNull final DisplayPortion portion) {
+                    public Boolean shouldFastForward(@NonNull final DisplayPortion portion) {
                         // Null indicates an invalid area or condition e.g. the middle portion
                         // or video start or end was reached during double tap seeking
                         if (invalidSeekConditions()) {
diff --git a/app/src/main/java/org/schabi/newpipe/player/event/PlayerGestureListener.java b/app/src/main/java/org/schabi/newpipe/player/event/PlayerGestureListener.java
index ac14ee46b1b..2a11add4ba6 100644
--- a/app/src/main/java/org/schabi/newpipe/player/event/PlayerGestureListener.java
+++ b/app/src/main/java/org/schabi/newpipe/player/event/PlayerGestureListener.java
@@ -8,9 +8,9 @@
 import android.view.WindowManager;
 import android.widget.ProgressBar;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.content.res.AppCompatResources;
 
-import org.jetbrains.annotations.NotNull;
 import org.schabi.newpipe.MainActivity;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.player.MainPlayer;
@@ -45,8 +45,8 @@ public PlayerGestureListener(final Player player, final MainPlayer service) {
     }
 
     @Override
-    public void onDoubleTap(@NotNull final MotionEvent event,
-                            @NotNull final DisplayPortion portion) {
+    public void onDoubleTap(@NonNull final MotionEvent event,
+                            @NonNull final DisplayPortion portion) {
         if (DEBUG) {
             Log.d(TAG, "onDoubleTap called with playerType = ["
                     + player.getPlayerType() + "], portion = [" + portion + "]");
@@ -63,7 +63,7 @@ public void onDoubleTap(@NotNull final MotionEvent event,
     }
 
     @Override
-    public void onSingleTap(@NotNull final MainPlayer.PlayerType playerType) {
+    public void onSingleTap(@NonNull final MainPlayer.PlayerType playerType) {
         if (DEBUG) {
             Log.d(TAG, "onSingleTap called with playerType = [" + player.getPlayerType() + "]");
         }
@@ -91,10 +91,10 @@ public void onSingleTap(@NotNull final MainPlayer.PlayerType playerType) {
     }
 
     @Override
-    public void onScroll(@NotNull final MainPlayer.PlayerType playerType,
-                         @NotNull final DisplayPortion portion,
-                         @NotNull final MotionEvent initialEvent,
-                         @NotNull final MotionEvent movingEvent,
+    public void onScroll(@NonNull final MainPlayer.PlayerType playerType,
+                         @NonNull final DisplayPortion portion,
+                         @NonNull final MotionEvent initialEvent,
+                         @NonNull final MotionEvent movingEvent,
                          final float distanceX, final float distanceY) {
         if (DEBUG) {
             Log.d(TAG, "onScroll called with playerType = ["
@@ -202,8 +202,8 @@ private void onScrollMainBrightness(final float distanceX, final float distanceY
     }
 
     @Override
-    public void onScrollEnd(@NotNull final MainPlayer.PlayerType playerType,
-                            @NotNull final MotionEvent event) {
+    public void onScrollEnd(@NonNull final MainPlayer.PlayerType playerType,
+                            @NonNull final MotionEvent event) {
         if (DEBUG) {
             Log.d(TAG, "onScrollEnd called with playerType = ["
                 + player.getPlayerType() + "]");