diff --git a/include/Engine/Core/Collision.h b/include/Engine/Core/Collision.h
index 2e90b8bf..b23b33cc 100644
--- a/include/Engine/Core/Collision.h
+++ b/include/Engine/Core/Collision.h
@@ -12,7 +12,6 @@ bool RayVsAABB(const Ray& ray, const AABB& box);
 bool RayVsAABB(const Ray& ray, const AABB& box, float& outDistance);
 
 bool AABBVsAABB(const AABB& a, const AABB& b);
-bool AABBVsAABBTst(const AABB& a, const AABB& b);
 }
 
 #endif
\ No newline at end of file