diff --git a/Class_Diagram.md b/Class_Diagram.md
index c386e2d..3dde69c 100644
--- a/Class_Diagram.md
+++ b/Class_Diagram.md
@@ -202,10 +202,6 @@ package Model <<Frame>> #bada55 {
       +GetHistory(): [*] Turn
       +GetWhoPlaysNow(): Player
       +PrepareNextPlayer(current: Player)
-      +AddPlayerToGame(toAdd: Player): Player
-      +GetPlayersFromGame(): [*] Player
-      +UpdatePlayerInGame(before: Player, after: Player): Player
-      +RemovePlayerFromGame(toRemove: Player)
     }
     
     class Turn $done {