diff --git a/libraries/fbx/src/FBXSerializer.cpp b/libraries/fbx/src/FBXSerializer.cpp
index d9a7fe1071..f09182c0e6 100644
--- a/libraries/fbx/src/FBXSerializer.cpp
+++ b/libraries/fbx/src/FBXSerializer.cpp
@@ -1600,12 +1600,10 @@ HFMModel* FBXSerializer::extractHFMModel(const hifi::VariantHash& mapping, const
                 cluster.jointIndex = transformIndex;
                 clusters.push_back(cluster);
 
-                std::vector<hfm::SkinCluster> skinClusters;
                 // Skinned mesh instances have an hfm::SkinDeformer
-                skinDeformer.skinClusterIndices.reserve(clusterIDs.size());
+                std::vector<hfm::SkinCluster> skinClusters;
                 for (const auto& clusterID : clusterIDs) {
                     const Cluster& fbxCluster = fbxClusters[clusterID];
-                    skinDeformer.skinClusterIndices.emplace_back();
                     skinClusters.emplace_back();
                     hfm::SkinCluster& skinCluster = skinClusters.back();
                     size_t indexWeightPairs = (size_t)std::min(fbxCluster.indices.size(), fbxCluster.weights.size());
diff --git a/libraries/hfm/src/hfm/HFM.h b/libraries/hfm/src/hfm/HFM.h
index d141c88cd8..20fc70f131 100644
--- a/libraries/hfm/src/hfm/HFM.h
+++ b/libraries/hfm/src/hfm/HFM.h
@@ -251,7 +251,6 @@ public:
     QVector<glm::vec2> texCoords;
     QVector<glm::vec2> texCoords1;
 
-    QVector<Cluster> clusters; // DEPRECATED (see hfm::Shape::dynamicTransform, hfm::DynamicTransform::clusters)
     Extents meshExtents; // DEPRECATED (see hfm::Shape::transformedExtents)
     glm::mat4 modelTransform; // DEPRECATED (see hfm::Joint::globalTransform, hfm::Shape::transform, hfm::Model::joints)
 
@@ -317,7 +316,6 @@ public:
 
 class SkinDeformer {
 public:
-    std::vector<uint16_t> skinClusterIndices; // DEPRECATED (see hfm::Mesh.clusterIndices, hfm::Mesh.clusterWeights)
     std::vector<Cluster> clusters;
 };