diff --git a/game_aux.c b/game_aux.c
index c4a14d8..4c69b60 100644
--- a/game_aux.c
+++ b/game_aux.c
@@ -1,5 +1,3 @@
-#ifndef __GAME_AUX_H__
-#define __GAME_AUX_H__
 #include <stdbool.h>
 #include <stdio.h>
 #include "game.h"
@@ -91,6 +89,4 @@ game game_default_solution(void){
     game_set_square(g,6,1,S_LIGHTBULB);
     game_update_flags(g);
     return g;
-}
-
-#endif
\ No newline at end of file
+}
\ No newline at end of file