diff --git a/src/BulletDynamics/Dynamics/btRigidBody.h b/src/BulletDynamics/Dynamics/btRigidBody.h
index 884cff188..1495b1d6f 100644
--- a/src/BulletDynamics/Dynamics/btRigidBody.h
+++ b/src/BulletDynamics/Dynamics/btRigidBody.h
@@ -27,7 +27,7 @@ subject to the following restrictions:
 class btCollisionShape;
 class btMotionState;
 
-typedef btScalar dMatrix3[4*3];
+
 
 extern float gLinearAirDamping;
 extern bool gUseEpa;