diff --git a/README.md b/README.md
index e28bbea..abd8fdb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ## Privacy Friendly Sudoku
 
-Privacy Friendly Sudoku is a game... // TODO
+Privacy Friendly Sudoku is a logic based game.
 
 It does not use any permission, as the app can provide its full functionality without the usage of permissions. 
 It also does neither include advertisement nor tracking mechanisms.
diff --git a/app/src/main/java/org/secuso/privacyfriendlysudoku/controller/GameController.java b/app/src/main/java/org/secuso/privacyfriendlysudoku/controller/GameController.java
index 1165776..a863916 100644
--- a/app/src/main/java/org/secuso/privacyfriendlysudoku/controller/GameController.java
+++ b/app/src/main/java/org/secuso/privacyfriendlysudoku/controller/GameController.java
@@ -708,10 +708,6 @@ public class GameController implements IModelChangedListener, Parcelable {
         out.writeParcelable(difficulty, 0);
         out.writeParcelable(gameBoard, 0);
         out.writeParcelable(undoRedoManager, 0);
-
-        // delete lists, in case we get the same object back from Parcel
-        removeAllListeners();
-
     }
 
     public static final Parcelable.Creator<GameController> CREATOR = new Parcelable.Creator<GameController>() {