diff --git a/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h b/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h
index af05a1e05..ac13462f6 100644
--- a/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h
+++ b/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h
@@ -100,7 +100,7 @@ public:
 	}
 
 	/// todo: get this margin from the current physics / collision environment
-	SIMD_FORCE_INLINE	btScalar	getContactBreakingThreshold() const;
+	btScalar	getContactBreakingThreshold() const;
 	
 	int getCacheEntry(const btManifoldPoint& newPoint) const;