diff --git a/src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp b/src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
index 330c06d5c..e5935b959 100755
--- a/src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
+++ b/src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
@@ -217,364 +217,9 @@ void btSliderConstraint::getInfo1NonVirtual(btConstraintInfo1* info)
 
 void btSliderConstraint::getInfo2(btConstraintInfo2* info)
 {
-//	if(m_useOffsetForConstraintFrame)
-//	{
-		getInfo2NonVirtualUsingFrameOffset(info,m_rbA.getCenterOfMassTransform(),m_rbB.getCenterOfMassTransform(), m_rbA.getLinearVelocity(),m_rbB.getLinearVelocity(), m_rbA.getInvMass(),m_rbB.getInvMass());
-//	}
-//	else
-//	{
-//		getInfo2NonVirtual(info,m_rbA.getCenterOfMassTransform(),m_rbB.getCenterOfMassTransform(), m_rbA.getLinearVelocity(),m_rbB.getLinearVelocity(), m_rbA.getInvMass(),m_rbB.getInvMass());
-//	}
+	getInfo2NonVirtual(info,m_rbA.getCenterOfMassTransform(),m_rbB.getCenterOfMassTransform(), m_rbA.getLinearVelocity(),m_rbB.getLinearVelocity(), m_rbA.getInvMass(),m_rbB.getInvMass());
 }
 
-#if 0 // replaced with getInfo2NonVirtualUsingFrameOffset
-void btSliderConstraint::getInfo2NonVirtual(btConstraintInfo2* info, const btTransform& transA,const btTransform& transB, const btVector3& linVelA,const btVector3& linVelB, btScalar rbAinvMass,btScalar rbBinvMass  )
-{
-	//prepare constraint
-	calculateTransforms(transA,transB);
-	testLinLimits();
-	testAngLimits();
-
-	const btTransform& trA = getCalculatedTransformA();
-	const btTransform& trB = getCalculatedTransformB();
-	
-	btAssert(!m_useSolveConstraintObsolete);
-	int i, s = info->rowskip;
-	
-	btScalar signFact = m_useLinearReferenceFrameA ? btScalar(1.0f) : btScalar(-1.0f);
-	// make rotations around Y and Z equal
-	// the slider axis should be the only unconstrained
-	// rotational axis, the angular velocity of the two bodies perpendicular to
-	// the slider axis should be equal. thus the constraint equations are
-	//    p*w1 - p*w2 = 0
-	//    q*w1 - q*w2 = 0
-	// where p and q are unit vectors normal to the slider axis, and w1 and w2
-	// are the angular velocity vectors of the two bodies.
-	// get slider axis (X)
-	btVector3 ax1 = trA.getBasis().getColumn(0);
-	// get 2 orthos to slider axis (Y, Z)
-	btVector3 p = trA.getBasis().getColumn(1);
-	btVector3 q = trA.getBasis().getColumn(2);
-	// set the two slider rows 
-	info->m_J1angularAxis[0] = p[0];
-	info->m_J1angularAxis[1] = p[1];
-	info->m_J1angularAxis[2] = p[2];
-	info->m_J1angularAxis[s+0] = q[0];
-	info->m_J1angularAxis[s+1] = q[1];
-	info->m_J1angularAxis[s+2] = q[2];
-
-	info->m_J2angularAxis[0] = -p[0];
-	info->m_J2angularAxis[1] = -p[1];
-	info->m_J2angularAxis[2] = -p[2];
-	info->m_J2angularAxis[s+0] = -q[0];
-	info->m_J2angularAxis[s+1] = -q[1];
-	info->m_J2angularAxis[s+2] = -q[2];
-	// compute the right hand side of the constraint equation. set relative
-	// body velocities along p and q to bring the slider back into alignment.
-	// if ax1,ax2 are the unit length slider axes as computed from body1 and
-	// body2, we need to rotate both bodies along the axis u = (ax1 x ax2).
-	// if "theta" is the angle between ax1 and ax2, we need an angular velocity
-	// along u to cover angle erp*theta in one step :
-	//   |angular_velocity| = angle/time = erp*theta / stepsize
-	//                      = (erp*fps) * theta
-	//    angular_velocity  = |angular_velocity| * (ax1 x ax2) / |ax1 x ax2|
-	//                      = (erp*fps) * theta * (ax1 x ax2) / sin(theta)
-	// ...as ax1 and ax2 are unit length. if theta is smallish,
-	// theta ~= sin(theta), so
-	//    angular_velocity  = (erp*fps) * (ax1 x ax2)
-	// ax1 x ax2 is in the plane space of ax1, so we project the angular
-	// velocity to p and q to find the right hand side.
-
-	//	btScalar k = info->fps * info->erp * getSoftnessOrthoAng();
-	btScalar currERP = (m_flags & BT_SLIDER_FLAGS_ERP_ORTANG) ? m_softnessOrthoAng : m_softnessOrthoAng * info->erp;
-	btScalar k = info->fps * currERP;
-
-    btVector3 ax2 = trB.getBasis().getColumn(0);
-	btVector3 u = ax1.cross(ax2);
-	info->m_constraintError[0] = k * u.dot(p);
-	info->m_constraintError[s] = k * u.dot(q);
-	if(m_flags & BT_SLIDER_FLAGS_CFM_ORTANG)
-	{
-		info->cfm[0] = m_cfmOrthoAng;
-		info->cfm[s] = m_cfmOrthoAng;
-	}
-	// pull out pos and R for both bodies. also get the connection
-	// vector c = pos2-pos1.
-	// next two rows. we want: vel2 = vel1 + w1 x c ... but this would
-	// result in three equations, so we project along the planespace vectors
-	// so that sliding along the slider axis is disregarded. for symmetry we
-	// also consider rotation around center of mass of two bodies (factA and factB).
-	btTransform bodyA_trans = transA;
-	btTransform bodyB_trans = transB;
-	int s2 = 2 * s, s3 = 3 * s;
-	btVector3 c;
-	btScalar miA = rbAinvMass;
-	btScalar miB = rbBinvMass;
-	btScalar miS = miA + miB;
-	btScalar factA, factB;
-	if(miS > btScalar(0.f))
-	{
-		factA = miB / miS;
-	}
-	else 
-	{
-		factA = btScalar(0.5f);
-	}
-	if(factA > 0.99f) factA = 0.99f;
-	if(factA < 0.01f) factA = 0.01f;
-	factB = btScalar(1.0f) - factA;
-	c = bodyB_trans.getOrigin() - bodyA_trans.getOrigin();
-	btVector3 tmp = c.cross(p);
-	for (i=0; i<3; i++) info->m_J1angularAxis[s2+i] = factA*tmp[i];
-	for (i=0; i<3; i++) info->m_J2angularAxis[s2+i] = factB*tmp[i];
-	tmp = c.cross(q);
-	for (i=0; i<3; i++) info->m_J1angularAxis[s3+i] = factA*tmp[i];
-	for (i=0; i<3; i++) info->m_J2angularAxis[s3+i] = factB*tmp[i];
-
-	for (i=0; i<3; i++) info->m_J1linearAxis[s2+i] = p[i];
-	for (i=0; i<3; i++) info->m_J1linearAxis[s3+i] = q[i];
-	// compute two elements of right hand side. we want to align the offset
-	// point (in body 2's frame) with the center of body 1.
-	btVector3 ofs; // offset point in global coordinates
-	ofs = trB.getOrigin() - trA.getOrigin();
-
-	//	k = info->fps * info->erp * getSoftnessOrthoLin();
-	currERP = (m_flags & BT_SLIDER_FLAGS_ERP_ORTLIN) ? m_softnessOrthoLin : m_softnessOrthoLin * info->erp;
-	k = info->fps * currERP;
-
-	info->m_constraintError[s2] = k * p.dot(ofs);
-	info->m_constraintError[s3] = k * q.dot(ofs);
-	if(m_flags & BT_SLIDER_FLAGS_CFM_ORTLIN)
-	{
-		info->cfm[s2] = m_cfmOrthoLin;
-		info->cfm[s3] = m_cfmOrthoLin;
-	}
-	int nrow = 3; // last filled row
-	int srow;
-	// check linear limits linear
-	btScalar limit_err = btScalar(0.0);
-	int limit = 0;
-	if(getSolveLinLimit())
-	{
-		limit_err = getLinDepth() *  signFact;
-		limit = (limit_err > btScalar(0.0)) ? 2 : 1;
-	}
-	int powered = 0;
-	if(getPoweredLinMotor())
-	{
-		powered = 1;
-	}
-	// if the slider has joint limits or motor, add in the extra row
-	if (limit || powered) 
-	{
-		nrow++;
-		srow = nrow * info->rowskip;
-		info->m_J1linearAxis[srow+0] = ax1[0];
-		info->m_J1linearAxis[srow+1] = ax1[1];
-		info->m_J1linearAxis[srow+2] = ax1[2];
-		// linear torque decoupling step:
-		//
-		// we have to be careful that the linear constraint forces (+/- ax1) applied to the two bodies
-		// do not create a torque couple. in other words, the points that the
-		// constraint force is applied at must lie along the same ax1 axis.
-		// a torque couple will result in limited slider-jointed free
-		// bodies from gaining angular momentum.
-		// the solution used here is to apply the constraint forces at the center of mass of the two bodies
-		btVector3 ltd;	// Linear Torque Decoupling vector (a torque)
-//		c = btScalar(0.5) * c;
-		ltd = c.cross(ax1);
-		info->m_J1angularAxis[srow+0] = factA*ltd[0];
-		info->m_J1angularAxis[srow+1] = factA*ltd[1];
-		info->m_J1angularAxis[srow+2] = factA*ltd[2];
-		info->m_J2angularAxis[srow+0] = factB*ltd[0];
-		info->m_J2angularAxis[srow+1] = factB*ltd[1];
-		info->m_J2angularAxis[srow+2] = factB*ltd[2];
-		// right-hand part
-		btScalar lostop = getLowerLinLimit();
-		btScalar histop = getUpperLinLimit();
-		if(limit && (lostop == histop))
-		{  // the joint motor is ineffective
-			powered = 0;
-		}
-		info->m_constraintError[srow] = 0.;
-		info->m_lowerLimit[srow] = 0.;
-		info->m_upperLimit[srow] = 0.;
-		currERP = (m_flags & BT_SLIDER_FLAGS_ERP_LIMLIN) ? m_softnessLimLin : info->erp;
-		if(powered)
-		{
-			if(m_flags & BT_SLIDER_FLAGS_CFM_DIRLIN)
-			{
-				info->cfm[srow] = m_cfmDirLin;
-			}
-			btScalar tag_vel = getTargetLinMotorVelocity();
-			btScalar mot_fact = getMotorFactor(m_linPos, m_lowerLinLimit, m_upperLinLimit, tag_vel, info->fps * currERP);
-//			info->m_constraintError[srow] += mot_fact * getTargetLinMotorVelocity();
-			info->m_constraintError[srow] -= signFact * mot_fact * getTargetLinMotorVelocity();
-			info->m_lowerLimit[srow] += -getMaxLinMotorForce() * info->fps;
-			info->m_upperLimit[srow] += getMaxLinMotorForce() * info->fps;
-		}
-		if(limit)
-		{
-			k = info->fps * currERP;
-			info->m_constraintError[srow] += k * limit_err;
-			if(m_flags & BT_SLIDER_FLAGS_CFM_LIMLIN)
-			{
-				info->cfm[srow] = m_cfmLimLin;
-			}
-			if(lostop == histop) 
-			{	// limited low and high simultaneously
-				info->m_lowerLimit[srow] = -SIMD_INFINITY;
-				info->m_upperLimit[srow] = SIMD_INFINITY;
-			}
-			else if(limit == 1) 
-			{ // low limit
-				info->m_lowerLimit[srow] = -SIMD_INFINITY;
-				info->m_upperLimit[srow] = 0;
-			}
-			else 
-			{ // high limit
-				info->m_lowerLimit[srow] = 0;
-				info->m_upperLimit[srow] = SIMD_INFINITY;
-			}
-			// bounce (we'll use slider parameter abs(1.0 - m_dampingLimLin) for that)
-			btScalar bounce = btFabs(btScalar(1.0) - getDampingLimLin());
-			if(bounce > btScalar(0.0))
-			{
-				btScalar vel = linVelA.dot(ax1);
-				vel -= linVelB.dot(ax1);
-				vel *= signFact;
-				// only apply bounce if the velocity is incoming, and if the
-				// resulting c[] exceeds what we already have.
-				if(limit == 1)
-				{	// low limit
-					if(vel < 0)
-					{
-						btScalar newc = -bounce * vel;
-						if (newc > info->m_constraintError[srow])
-						{
-							info->m_constraintError[srow] = newc;
-						}
-					}
-				}
-				else
-				{ // high limit - all those computations are reversed
-					if(vel > 0)
-					{
-						btScalar newc = -bounce * vel;
-						if(newc < info->m_constraintError[srow]) 
-						{
-							info->m_constraintError[srow] = newc;
-						}
-					}
-				}
-			}
-			info->m_constraintError[srow] *= getSoftnessLimLin();
-		} // if(limit)
-	} // if linear limit
-	// check angular limits
-	limit_err = btScalar(0.0);
-	limit = 0;
-	if(getSolveAngLimit())
-	{
-		limit_err = getAngDepth();
-		limit = (limit_err > btScalar(0.0)) ? 1 : 2;
-	}
-	// if the slider has joint limits, add in the extra row
-	powered = 0;
-	if(getPoweredAngMotor())
-	{
-		powered = 1;
-	}
-	if(limit || powered) 
-	{
-		nrow++;
-		srow = nrow * info->rowskip;
-		info->m_J1angularAxis[srow+0] = ax1[0];
-		info->m_J1angularAxis[srow+1] = ax1[1];
-		info->m_J1angularAxis[srow+2] = ax1[2];
-
-		info->m_J2angularAxis[srow+0] = -ax1[0];
-		info->m_J2angularAxis[srow+1] = -ax1[1];
-		info->m_J2angularAxis[srow+2] = -ax1[2];
-
-		btScalar lostop = getLowerAngLimit();
-		btScalar histop = getUpperAngLimit();
-		if(limit && (lostop == histop))
-		{  // the joint motor is ineffective
-			powered = 0;
-		}
-		currERP = (m_flags & BT_SLIDER_FLAGS_ERP_LIMANG) ? m_softnessLimAng : info->erp;
-		if(powered)
-		{
-			if(m_flags & BT_SLIDER_FLAGS_CFM_DIRANG)
-			{
-				info->cfm[srow] = m_cfmDirAng;
-			}
-			btScalar mot_fact = getMotorFactor(m_angPos, m_lowerAngLimit, m_upperAngLimit, getTargetAngMotorVelocity(), info->fps * currERP);
-			info->m_constraintError[srow] = mot_fact * getTargetAngMotorVelocity();
-			info->m_lowerLimit[srow] = -getMaxAngMotorForce() * info->fps;
-			info->m_upperLimit[srow] = getMaxAngMotorForce() * info->fps;
-		}
-		if(limit)
-		{
-			k = info->fps * currERP;
-			info->m_constraintError[srow] += k * limit_err;
-			if(m_flags & BT_SLIDER_FLAGS_CFM_LIMANG)
-			{
-				info->cfm[srow] = m_cfmLimAng;
-			}
-			if(lostop == histop) 
-			{
-				// limited low and high simultaneously
-				info->m_lowerLimit[srow] = -SIMD_INFINITY;
-				info->m_upperLimit[srow] = SIMD_INFINITY;
-			}
-			else if(limit == 1) 
-			{ // low limit
-				info->m_lowerLimit[srow] = 0;
-				info->m_upperLimit[srow] = SIMD_INFINITY;
-			}
-			else 
-			{ // high limit
-				info->m_lowerLimit[srow] = -SIMD_INFINITY;
-				info->m_upperLimit[srow] = 0;
-			}
-			// bounce (we'll use slider parameter abs(1.0 - m_dampingLimAng) for that)
-			btScalar bounce = btFabs(btScalar(1.0) - getDampingLimAng());
-			if(bounce > btScalar(0.0))
-			{
-				btScalar vel = m_rbA.getAngularVelocity().dot(ax1);
-				vel -= m_rbB.getAngularVelocity().dot(ax1);
-				// only apply bounce if the velocity is incoming, and if the
-				// resulting c[] exceeds what we already have.
-				if(limit == 1)
-				{	// low limit
-					if(vel < 0)
-					{
-						btScalar newc = -bounce * vel;
-						if(newc > info->m_constraintError[srow])
-						{
-							info->m_constraintError[srow] = newc;
-						}
-					}
-				}
-				else
-				{	// high limit - all those computations are reversed
-					if(vel > 0)
-					{
-						btScalar newc = -bounce * vel;
-						if(newc < info->m_constraintError[srow])
-						{
-							info->m_constraintError[srow] = newc;
-						}
-					}
-				}
-			}
-			info->m_constraintError[srow] *= getSoftnessLimAng();
-		} // if(limit)
-	} // if angular limit or powered
-}
-#endif
 
 
 void btSliderConstraint::solveConstraintObsolete(btSolverBody& bodyA,btSolverBody& bodyB,btScalar timeStep)
@@ -894,7 +539,7 @@ btVector3 btSliderConstraint::getAncorInB(void)
 }
 
 
-void btSliderConstraint::getInfo2NonVirtualUsingFrameOffset(btConstraintInfo2* info, const btTransform& transA,const btTransform& transB, const btVector3& linVelA,const btVector3& linVelB, btScalar rbAinvMass,btScalar rbBinvMass  )
+void btSliderConstraint::getInfo2NonVirtual(btConstraintInfo2* info, const btTransform& transA,const btTransform& transB, const btVector3& linVelA,const btVector3& linVelB, btScalar rbAinvMass,btScalar rbBinvMass  )
 {
 	const btTransform& trA = getCalculatedTransformA();
 	const btTransform& trB = getCalculatedTransformB();
@@ -1005,7 +650,7 @@ void btSliderConstraint::getInfo2NonVirtualUsingFrameOffset(btConstraintInfo2* i
 	int s2 = nrow * s;
 	nrow++;
 	int s3 = nrow * s;
-	btVector3 tmpA, tmpB, relA, relB, c;
+	btVector3 tmpA(0,0,0), tmpB(0,0,0), relA(0,0,0), relB(0,0,0), c(0,0,0);
 	if(m_useOffsetForConstraintFrame)
 	{
 		// get vector from bodyB to frameB in WCS
diff --git a/src/BulletDynamics/ConstraintSolver/btSliderConstraint.h b/src/BulletDynamics/ConstraintSolver/btSliderConstraint.h
index aad7b83d5..5c8a9d1b0 100755
--- a/src/BulletDynamics/ConstraintSolver/btSliderConstraint.h
+++ b/src/BulletDynamics/ConstraintSolver/btSliderConstraint.h
@@ -168,9 +168,8 @@ public:
 	virtual void getInfo2 (btConstraintInfo2* info);
 
 	void getInfo2NonVirtual(btConstraintInfo2* info, const btTransform& transA, const btTransform& transB,const btVector3& linVelA,const btVector3& linVelB, btScalar rbAinvMass,btScalar rbBinvMass);
-	void getInfo2NonVirtualUsingFrameOffset(btConstraintInfo2* info, const btTransform& transA, const btTransform& transB,const btVector3& linVelA,const btVector3& linVelB, btScalar rbAinvMass,btScalar rbBinvMass);
 
-    virtual	void	solveConstraintObsolete(btSolverBody& bodyA,btSolverBody& bodyB,btScalar	timeStep);
+	virtual	void	solveConstraintObsolete(btSolverBody& bodyA,btSolverBody& bodyB,btScalar	timeStep);
 	
 
 	// access