diff --git a/engine/src/bullet/native/com_jme3_bullet_joints_SixDofSpringJoint.cpp b/engine/src/bullet/native/com_jme3_bullet_joints_SixDofSpringJoint.cpp
index 282b400f9..391b06b93 100644
--- a/engine/src/bullet/native/com_jme3_bullet_joints_SixDofSpringJoint.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_joints_SixDofSpringJoint.cpp
@@ -78,15 +78,6 @@ JNIEXPORT jlong JNICALL Java_com_jme3_bullet_joints_SixDofSpringJoint_createJoin
         jmeClasses::initJavaClasses(env);
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
-        btMatrix3x3* mtx1 = &btMatrix3x3();
-        btMatrix3x3* mtx2 = &btMatrix3x3();
-/*        btTransform* transA = &btTransform(*mtx1);
-        jmeBulletUtil::convert(env, pivotA, &transA->getOrigin());
-        jmeBulletUtil::convert(env, rotA, &transA->getBasis());
-        btTransform* transB = &btTransform(*mtx2);
-        jmeBulletUtil::convert(env, pivotB, &transB->getOrigin());
-        jmeBulletUtil::convert(env, rotB, &transB->getBasis());
-*/
         btTransform transA;
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         jmeBulletUtil::convert(env, rotA, &transA.getBasis());
diff --git a/engine/src/bullet/native/com_jme3_bullet_objects_PhysicsVehicle.cpp b/engine/src/bullet/native/com_jme3_bullet_objects_PhysicsVehicle.cpp
index 2c52ca90f..db4a54bb7 100644
--- a/engine/src/bullet/native/com_jme3_bullet_objects_PhysicsVehicle.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_objects_PhysicsVehicle.cpp
@@ -231,7 +231,8 @@ extern "C" {
             env->ThrowNew(newExc, "The native object does not exist.");
             return;
         }
-        jmeBulletUtil::convert(env, &vehicle->getForwardVector(), out);
+        btVector3 forwardVector = vehicle->getForwardVector();
+        jmeBulletUtil::convert(env, &forwardVector, out);
     }
 
     /*