diff --git a/src/Controller/GameFlowController.php b/src/Controller/GameFlowController.php
index 48e4dd2..9ef5cb2 100644
--- a/src/Controller/GameFlowController.php
+++ b/src/Controller/GameFlowController.php
@@ -40,14 +40,8 @@ class GameFlowController implements ISecured
 
     private PlaceRepository $placeRepository;
 
-    private MapRepository $mapRepository;
-
-    private UserRepository $userRepository;
-
     private UserPlayedPlaceRepository $userPlayedPlaceRepository;
 
-    private ChallengeRepository $challengeRepository;
-
     private UserInChallengeRepository $userInChallengeRepository;
 
     private PlaceInChallengeRepository $placeInChallengeRepository;
@@ -61,10 +55,7 @@ class GameFlowController implements ISecured
         $this->multiConnector = new MultiConnector();
         $this->multiRoomRepository = new MultiRoomRepository();
         $this->placeRepository = new PlaceRepository();
-        $this->mapRepository = new MapRepository();
-        $this->userRepository = new UserRepository();
         $this->userPlayedPlaceRepository = new UserPlayedPlaceRepository();
-        $this->challengeRepository = new ChallengeRepository();
         $this->userInChallengeRepository = new UserInChallengeRepository();
         $this->placeInChallengeRepository = new PlaceInChallengeRepository();
         $this->guessRepository = new GuessRepository();
@@ -154,16 +145,16 @@ class GameFlowController implements ISecured
     private function prepareChallengeResponse(int $userId, Challenge $challenge, int $currentRound, bool $withHistory = false): array
     {
         $currentPlace = $this->placeRepository->getByRoundInChallenge($challenge, $currentRound);
-        
+
         // if the last round was played ($currentPlace == null) or history is explicitly requested (for initializing)
         if (!isset($currentPlace) || $withHistory) {
 
             $withRelations = [User::class, PlaceInChallenge::class, Place::class];
-            foreach ($this->guessRepository->getAllInChallenge($challenge, $withRelations) as $guess) { 
+            foreach ($this->guessRepository->getAllInChallenge($challenge, $withRelations) as $guess) {
                 $round = $guess->getPlaceInChallenge()->getRound();
-    
+
                 if ($guess->getUser()->getId() === $userId) {
-                    $response['history'][$round]['position'] = 
+                    $response['history'][$round]['position'] =
                             $guess->getPlaceInChallenge()->getPlace()->getPosition()->toArray();
                     $response['history'][$round]['result'] = [
                             'guessPosition' => $guess->getPosition()->toArray(),
@@ -188,8 +179,8 @@ class GameFlowController implements ISecured
                             'distance' => null,
                             'score' => 0
                     ];
-                    
-                    $response['history'][$i]['position'] = 
+
+                    $response['history'][$i]['position'] =
                             $this->placeRepository->getByRoundInChallenge($challenge, $i)->getPosition()->toArray();
                 }
             }
@@ -250,7 +241,7 @@ class GameFlowController implements ISecured
         if ($challenge->getTimeLimitType() === 'game' && $challenge->getTimeLimit() !== null && $userInChallenge->getCurrentRound() > 0) {
             $timeLimit = max(10, $userInChallenge->getTimeLeft());
             $response['restrictions']['timeLimit'] = $timeLimit * 1000;
-        } 
+        }
 
         return new JsonContent($response);
     }