diff --git a/interface/src/avatar/CauterizedModel.cpp b/interface/src/avatar/CauterizedModel.cpp
index 0c3d863649..7faf89dec5 100644
--- a/interface/src/avatar/CauterizedModel.cpp
+++ b/interface/src/avatar/CauterizedModel.cpp
@@ -110,13 +110,7 @@ void CauterizedModel::updateClusterMatrices() {
         for (int j = 0; j < mesh.clusters.size(); j++) {
             const FBXCluster& cluster = mesh.clusters.at(j);
             auto jointMatrix = _rig->getJointTransform(cluster.jointIndex);
-#if (GLM_ARCH & GLM_ARCH_SSE2) && !(defined Q_OS_MAC)
-            glm::mat4 out, inverseBindMatrix = cluster.inverseBindMatrix;
-            glm_mat4_mul((glm_vec4*)&jointMatrix, (glm_vec4*)&inverseBindMatrix, (glm_vec4*)&out);
-            state.clusterMatrices[j] = out;
-#else
-            state.clusterMatrices[j] = jointMatrix * cluster.inverseBindMatrix;
-#endif
+            glm_mat4u_mul(jointMatrix, cluster.inverseBindMatrix, state.clusterMatrices[j]);
         }
 
         // Once computed the cluster matrices, update the buffer(s)