diff --git a/src/BulletSoftBody/btCGProjection.h b/src/BulletSoftBody/btCGProjection.h
index b4a887fa6..ca7417f8f 100644
--- a/src/BulletSoftBody/btCGProjection.h
+++ b/src/BulletSoftBody/btCGProjection.h
@@ -104,9 +104,12 @@ class btCGProjection
 {
 public:
 //    static const int dim = 3;
-    using TVStack = btAlignedObjectArray<btVector3>;
-    using TVArrayStack = btAlignedObjectArray<btAlignedObjectArray<btVector3> >;
-    using TArrayStack = btAlignedObjectArray<btAlignedObjectArray<btScalar> >;
+    typedef btAlignedObjectArray<btVector3> TVStack;
+    typedef btAlignedObjectArray<btAlignedObjectArray<btVector3> > TVArrayStack;
+    typedef btAlignedObjectArray<btAlignedObjectArray<btScalar> > TArrayStack;
+//    using TVStack = btAlignedObjectArray<btVector3>;
+//    using TVArrayStack = btAlignedObjectArray<btAlignedObjectArray<btVector3> >;
+//    using TArrayStack = btAlignedObjectArray<btAlignedObjectArray<btScalar> >;
     btAlignedObjectArray<btSoftBody *> m_softBodies;
     btDeformableRigidDynamicsWorld* m_world;
     const std::unordered_map<btSoftBody::Node *, size_t>* m_indices;
diff --git a/src/BulletSoftBody/btConjugateGradient.h b/src/BulletSoftBody/btConjugateGradient.h
index 0c8384a00..fdef6b22d 100644
--- a/src/BulletSoftBody/btConjugateGradient.h
+++ b/src/BulletSoftBody/btConjugateGradient.h
@@ -15,7 +15,8 @@
 template <class TM>
 class btConjugateGradient
 {
-    using TVStack = btAlignedObjectArray<btVector3>;
+//    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
     TVStack r,p,z,temp;
     int max_iterations;
     
diff --git a/src/BulletSoftBody/btDeformableBackwardEulerObjective.h b/src/BulletSoftBody/btDeformableBackwardEulerObjective.h
index a736315b7..22a685631 100644
--- a/src/BulletSoftBody/btDeformableBackwardEulerObjective.h
+++ b/src/BulletSoftBody/btDeformableBackwardEulerObjective.h
@@ -20,7 +20,8 @@ class btDeformableRigidDynamicsWorld;
 class btDeformableBackwardEulerObjective
 {
 public:
-    using TVStack = btAlignedObjectArray<btVector3>;
+//    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
     btScalar m_dt;
     btDeformableRigidDynamicsWorld* m_world;
     btAlignedObjectArray<btDeformableLagrangianForce*> m_lf;
diff --git a/src/BulletSoftBody/btDeformableBodySolver.h b/src/BulletSoftBody/btDeformableBodySolver.h
index d721869a1..5528d8f84 100644
--- a/src/BulletSoftBody/btDeformableBodySolver.h
+++ b/src/BulletSoftBody/btDeformableBodySolver.h
@@ -21,7 +21,8 @@ class btDeformableRigidDynamicsWorld;
 
 class btDeformableBodySolver : public btSoftBodySolver
 {
-    using TVStack = btAlignedObjectArray<btVector3>;
+//    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
 protected:
     int m_numNodes;
     TVStack m_dv;
diff --git a/src/BulletSoftBody/btDeformableGravityForce.h b/src/BulletSoftBody/btDeformableGravityForce.h
index 398662e1f..88d9107e1 100644
--- a/src/BulletSoftBody/btDeformableGravityForce.h
+++ b/src/BulletSoftBody/btDeformableGravityForce.h
@@ -13,7 +13,8 @@
 class btDeformableGravityForce : public btDeformableLagrangianForce
 {
 public:
-    using TVStack = btDeformableLagrangianForce::TVStack;
+//    using TVStack = btDeformableLagrangianForce::TVStack;
+    typedef btAlignedObjectArray<btVector3> TVStack;
     btVector3 m_gravity;
     
     btDeformableGravityForce(const btVector3& g) : m_gravity(g)
diff --git a/src/BulletSoftBody/btDeformableLagrangianForce.h b/src/BulletSoftBody/btDeformableLagrangianForce.h
index fa4184a14..ff75eeb1c 100644
--- a/src/BulletSoftBody/btDeformableLagrangianForce.h
+++ b/src/BulletSoftBody/btDeformableLagrangianForce.h
@@ -19,7 +19,8 @@ enum btDeformableLagrangianForceType
 class btDeformableLagrangianForce
 {
 public:
-    using TVStack = btAlignedObjectArray<btVector3>;
+//    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
     btAlignedObjectArray<btSoftBody *> m_softBodies;
     const std::unordered_map<btSoftBody::Node *, size_t>* m_indices;
     
diff --git a/src/BulletSoftBody/btDeformableMassSpringForce.h b/src/BulletSoftBody/btDeformableMassSpringForce.h
index 549985321..d3ccd70dc 100644
--- a/src/BulletSoftBody/btDeformableMassSpringForce.h
+++ b/src/BulletSoftBody/btDeformableMassSpringForce.h
@@ -13,7 +13,8 @@
 class btDeformableMassSpringForce : public btDeformableLagrangianForce
 {
 public:
-    using TVStack = btDeformableLagrangianForce::TVStack;
+//    using TVStack = btDeformableLagrangianForce::TVStack;
+    typedef btAlignedObjectArray<btVector3> TVStack;
     btDeformableMassSpringForce()
     {
     }
diff --git a/src/BulletSoftBody/btDeformableRigidDynamicsWorld.h b/src/BulletSoftBody/btDeformableRigidDynamicsWorld.h
index c6b3dcbc6..779a88ee3 100644
--- a/src/BulletSoftBody/btDeformableRigidDynamicsWorld.h
+++ b/src/BulletSoftBody/btDeformableRigidDynamicsWorld.h
@@ -30,7 +30,8 @@ typedef btAlignedObjectArray<btSoftBody*> btSoftBodyArray;
 
 class btDeformableRigidDynamicsWorld : public btMultiBodyDynamicsWorld
 {
-    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
+//    using TVStack = btAlignedObjectArray<btVector3>;
     ///Solver classes that encapsulate multiple deformable bodies for solving
     btDeformableBodySolver* m_deformableBodySolver;
     btSoftBodyArray m_softBodies;
diff --git a/src/BulletSoftBody/btPreconditioner.h b/src/BulletSoftBody/btPreconditioner.h
index ad190a3a8..97cec43c5 100644
--- a/src/BulletSoftBody/btPreconditioner.h
+++ b/src/BulletSoftBody/btPreconditioner.h
@@ -11,7 +11,8 @@
 class Preconditioner
 {
 public:
-    using TVStack = btAlignedObjectArray<btVector3>;
+    typedef btAlignedObjectArray<btVector3> TVStack;
+//    using TVStack = btAlignedObjectArray<btVector3>;
     virtual void operator()(const TVStack& x, TVStack& b) = 0;
     virtual void reinitialize(bool nodeUpdated) = 0;
 };