diff --git a/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.cpp b/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.cpp
index b36fa1fa..5343b9f1 100644
--- a/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.cpp
+++ b/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.cpp
@@ -17,6 +17,7 @@ of DigiPen Institute of Technology is prohibited.
 // Project Includes
 #include "ECS_Base/Managers/SHSystemManager.h"
 #include "Physics/SHPhysicsSystem.h"
+#include "Physics/SHPhysicsUtils.h"
 
 namespace SHADE
 {
diff --git a/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.h b/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.h
index da164ee9..b1960a6f 100644
--- a/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.h
+++ b/SHADE_Engine/src/Physics/SHPhysicsSystemInterface.h
@@ -13,11 +13,14 @@ of DigiPen Institute of Technology is prohibited.
 
 // STL Includes
 #include <vector>
-// Project Includes
-#include "SHPhysicsUtils.h"
 
 namespace SHADE
 {
+  /*-----------------------------------------------------------------------------------*/
+  /* Forward Declarations                                                              */
+  /*-----------------------------------------------------------------------------------*/
+  class SHCollisionEvent;
+
   /*-----------------------------------------------------------------------------------*/
   /* Type Definitions                                                                  */
   /*-----------------------------------------------------------------------------------*/