diff --git a/src/BulletCollision/CollisionDispatch/btCollisionWorldImporter.h b/src/BulletCollision/CollisionDispatch/btCollisionWorldImporter.h
index 9a6d16fbe..81c614272 100644
--- a/src/BulletCollision/CollisionDispatch/btCollisionWorldImporter.h
+++ b/src/BulletCollision/CollisionDispatch/btCollisionWorldImporter.h
@@ -124,7 +124,6 @@ public:
 	btCollisionShape* getCollisionShapeByIndex(int index);
 	int getNumRigidBodies() const;
 	btCollisionObject* getRigidBodyByIndex(int index) const;
-	int getNumConstraints() const;
 
 	int getNumBvhs() const;
 	btOptimizedBvh*  getBvhByIndex(int index) const;