diff --git a/game/entity.hh b/game/entity.hh
index 60b9a05..252a978 100644
--- a/game/entity.hh
+++ b/game/entity.hh
@@ -2,7 +2,6 @@
 #define ENTITY_HH_INCLUDED
 
 #include <ACGL/Math/Math.hh>
-#include <mutex>
 
 class Entity {
     public: