diff --git a/Demos/EPAPenDepthDemo/PenetrationTestBullet.cpp b/Demos/EPAPenDepthDemo/PenetrationTestBullet.cpp
index e83d53cbb..ba427db43 100644
--- a/Demos/EPAPenDepthDemo/PenetrationTestBullet.cpp
+++ b/Demos/EPAPenDepthDemo/PenetrationTestBullet.cpp
@@ -33,7 +33,7 @@
 #include "BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h"
 #include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h"
 #include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h"
-#include "LinearMath/btStackAlloc.h"
+
 
 //We can use the Bullet EPA or sampling penetration depth solver, but comparison might be useful
 //#define COMPARE_WITH_SOLID35_AND_OTHER_EPA 1
@@ -299,8 +299,7 @@ static float gDepth;
 		}
 	};
 
-//2 Mb by default, could be made smaller
-btStackAlloc gStackAlloc(1024*1024*2);
+
 
 static bool TestEPA(const MyConvex& hull0, const MyConvex& hull1)
 {
@@ -346,7 +345,7 @@ static bool TestEPA(const MyConvex& hull0, const MyConvex& hull1)
 	btDiscreteCollisionDetectorInterface::ClosestPointInput input;
 	input.m_transformA = hull0.mTransform;
 	input.m_transformB = hull1.mTransform;
-	input.m_stackAlloc = &gStackAlloc;
+	
 
 	MyResult output;
 	GJK.getClosestPoints(input, output, 0);