diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 40f362ad13..1910beecdd 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -2241,9 +2241,6 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
     DependencyManager::get<EntityTreeRenderer>()->setSetPrecisionPickingOperator([&](unsigned int rayPickID, bool value) {
         DependencyManager::get<PickManager>()->setPrecisionPicking(rayPickID, value);
     });
-    EntityTreeRenderer::setRenderDebugHullsOperator([] {
-        return Menu::getInstance()->isOptionChecked(MenuOption::PhysicsShowHulls);
-    });
 
     // Preload Tablet sounds
     DependencyManager::get<TabletScriptingInterface>()->preloadSounds();
diff --git a/interface/src/Application_render.cpp b/interface/src/Application_render.cpp
index 2208b3187c..2daa49dcf7 100644
--- a/interface/src/Application_render.cpp
+++ b/interface/src/Application_render.cpp
@@ -205,10 +205,6 @@ void Application::runRenderFrame(RenderArgs* renderArgs) {
 
         RenderArgs::DebugFlags renderDebugFlags = RenderArgs::RENDER_DEBUG_NONE;
 
-        if (Menu::getInstance()->isOptionChecked(MenuOption::PhysicsShowHulls)) {
-            renderDebugFlags = static_cast<RenderArgs::DebugFlags>(renderDebugFlags |
-                static_cast<int>(RenderArgs::RENDER_DEBUG_HULLS));
-        }
         renderArgs->_debugFlags = renderDebugFlags;
     }
 
diff --git a/interface/src/Menu.cpp b/interface/src/Menu.cpp
index d55490998d..17997acab3 100644
--- a/interface/src/Menu.cpp
+++ b/interface/src/Menu.cpp
@@ -725,7 +725,6 @@ Menu::Menu() {
         addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowOwned,
             0, false, drawStatusConfig, SLOT(setShowNetwork(bool)));
     }
-    addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowHulls, 0, false, qApp->getEntities().data(), SIGNAL(setRenderDebugHulls()));
 
     addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowBulletWireframe, 0, false, qApp, SLOT(setShowBulletWireframe(bool)));
     addCheckableActionToQMenuAndActionHash(physicsOptionsMenu, MenuOption::PhysicsShowBulletAABBs, 0, false, qApp, SLOT(setShowBulletAABBs(bool)));
diff --git a/interface/src/Menu.h b/interface/src/Menu.h
index 6fb089acd8..1ab7faa82b 100644
--- a/interface/src/Menu.h
+++ b/interface/src/Menu.h
@@ -141,7 +141,6 @@ namespace MenuOption {
     const QString Overlays = "Show Overlays";
     const QString PackageModel = "Package Model as .fst...";
     const QString Pair = "Pair";
-    const QString PhysicsShowHulls = "Draw Collision Shapes";
     const QString PhysicsShowOwned = "Highlight Simulation Ownership";
     const QString VerboseLogging = "Verbose Logging";
     const QString PhysicsShowBulletWireframe = "Show Bullet Collision";
diff --git a/libraries/entities-renderer/src/EntityTreeRenderer.cpp b/libraries/entities-renderer/src/EntityTreeRenderer.cpp
index 52312e64c3..afd6149d92 100644
--- a/libraries/entities-renderer/src/EntityTreeRenderer.cpp
+++ b/libraries/entities-renderer/src/EntityTreeRenderer.cpp
@@ -42,7 +42,6 @@
 
 size_t std::hash<EntityItemID>::operator()(const EntityItemID& id) const { return qHash(id); }
 std::function<bool()> EntityTreeRenderer::_entitiesShouldFadeFunction;
-std::function<bool()> EntityTreeRenderer::_renderDebugHullsOperator = [] { return false; };
 
 QString resolveScriptURL(const QString& scriptUrl) {
     auto normalizedScriptUrl = DependencyManager::get<ResourceManager>()->normalizeURL(scriptUrl);
diff --git a/libraries/entities-renderer/src/EntityTreeRenderer.h b/libraries/entities-renderer/src/EntityTreeRenderer.h
index 882ec2fd5b..de3033936a 100644
--- a/libraries/entities-renderer/src/EntityTreeRenderer.h
+++ b/libraries/entities-renderer/src/EntityTreeRenderer.h
@@ -116,14 +116,10 @@ public:
     EntityItemPointer getEntity(const EntityItemID& id);
     void onEntityChanged(const EntityItemID& id);
 
-    static void setRenderDebugHullsOperator(std::function<bool()> renderDebugHullsOperator) { _renderDebugHullsOperator = renderDebugHullsOperator; }
-    static bool shouldRenderDebugHulls() { return _renderDebugHullsOperator(); }
-
 signals:
     void enterEntity(const EntityItemID& entityItemID);
     void leaveEntity(const EntityItemID& entityItemID);
     void collisionWithEntity(const EntityItemID& idA, const EntityItemID& idB, const Collision& collision);
-    void setRenderDebugHulls();
 
 public slots:
     void addingEntity(const EntityItemID& entityID);
@@ -259,8 +255,6 @@ private:
     static int _entitiesScriptEngineCount;
     static CalculateEntityLoadingPriority _calculateEntityLoadingPriorityFunc;
     static std::function<bool()> _entitiesShouldFadeFunction;
-
-    static std::function<bool()> _renderDebugHullsOperator;
 };
 
 
diff --git a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
index a91534668c..be385008a3 100644
--- a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
@@ -23,7 +23,6 @@
 #include <QtCore/QUrlQuery>
 
 #include <AbstractViewStateInterface.h>
-#include <CollisionRenderMeshCache.h>
 #include <Model.h>
 #include <PerfStat.h>
 #include <render/Scene.h>
@@ -35,8 +34,6 @@
 #include "EntitiesRendererLogging.h"
 
 
-static CollisionRenderMeshCache collisionMeshCache;
-
 void ModelEntityWrapper::setModel(const ModelPointer& model) {
     withWriteLock([&] {
         if (_model != model) {
@@ -1052,10 +1049,7 @@ using namespace render;
 using namespace render::entities;
 
 ModelEntityRenderer::ModelEntityRenderer(const EntityItemPointer& entity) : Parent(entity) {
-    connect(DependencyManager::get<EntityTreeRenderer>().data(), &EntityTreeRenderer::setRenderDebugHulls, this, [&] {
-        _needsCollisionGeometryUpdate = true;
-        emit requestRenderUpdate();
-    });
+
 }
 
 void ModelEntityRenderer::setKey(bool didVisualGeometryRequestSucceed) {
@@ -1215,10 +1209,6 @@ bool ModelEntityRenderer::needsRenderUpdate() const {
         if (model->getRenderItemsNeedUpdate()) {
             return true;
         }
-
-        if (_needsCollisionGeometryUpdate) {
-            return true;
-        }
     }
     return Parent::needsRenderUpdate();
 }
@@ -1285,12 +1275,7 @@ bool ModelEntityRenderer::needsRenderUpdateFromTypedEntity(const TypedEntityPoin
 }
 
 void ModelEntityRenderer::setCollisionMeshKey(const void*key) {
-    if (key != _collisionMeshKey) {
-        if (_collisionMeshKey) {
-            collisionMeshCache.releaseMesh(_collisionMeshKey);
-        }
-        _collisionMeshKey = key;
-    }
+    _collisionMeshKey = key;
 }
 
 void ModelEntityRenderer::doRenderUpdateSynchronousTyped(const ScenePointer& scene, Transaction& transaction, const TypedEntityPointer& entity) {
@@ -1339,7 +1324,6 @@ void ModelEntityRenderer::doRenderUpdateSynchronousTyped(const ScenePointer& sce
             _didLastVisualGeometryRequestSucceed = didVisualGeometryRequestSucceed;
         });
         connect(model.get(), &Model::requestRenderUpdate, this, &ModelEntityRenderer::requestRenderUpdate);
-        connect(entity.get(), &RenderableModelEntityItem::requestCollisionGeometryUpdate, this, &ModelEntityRenderer::flagForCollisionGeometryUpdate);
         model->setLoadingPriority(EntityTreeRenderer::getEntityLoadingPriority(*entity));
         entity->setModel(model);
         withWriteLock([&] { _model = model; });
@@ -1412,26 +1396,6 @@ void ModelEntityRenderer::doRenderUpdateSynchronousTyped(const ScenePointer& sce
         model->setCanCastShadow(_canCastShadow, scene);
     }
 
-    if (_needsCollisionGeometryUpdate) {
-        setCollisionMeshKey(entity->getCollisionMeshKey());
-        _needsCollisionGeometryUpdate = false;
-        ShapeType type = entity->getShapeType();
-        if (DependencyManager::get<EntityTreeRenderer>()->shouldRenderDebugHulls() && type != SHAPE_TYPE_STATIC_MESH && type != SHAPE_TYPE_NONE) {
-            // NOTE: it is OK if _collisionMeshKey is nullptr
-            graphics::MeshPointer mesh = collisionMeshCache.getMesh(_collisionMeshKey);
-            // NOTE: the model will render the collisionGeometry if it has one
-            _model->setCollisionMesh(mesh);
-        } else {
-            if (_collisionMeshKey) {
-                // release mesh
-                collisionMeshCache.releaseMesh(_collisionMeshKey);
-            }
-            // clear model's collision geometry
-            graphics::MeshPointer mesh = nullptr;
-            _model->setCollisionMesh(mesh);
-        }
-    }
-
     {
         DETAILED_PROFILE_RANGE(simulation_physics, "Fixup");
         if (model->needsFixupInScene()) {
@@ -1487,11 +1451,6 @@ void ModelEntityRenderer::setIsVisibleInSecondaryCamera(bool value) {
     setKey(_didLastVisualGeometryRequestSucceed);
 }
 
-void ModelEntityRenderer::flagForCollisionGeometryUpdate() {
-    _needsCollisionGeometryUpdate = true;
-    emit requestRenderUpdate();
-}
-
 // NOTE: this only renders the "meta" portion of the Model, namely it renders debugging items
 void ModelEntityRenderer::doRender(RenderArgs* args) {
     DETAILED_PROFILE_RANGE(render_detail, "MetaModelRender");
diff --git a/libraries/entities-renderer/src/RenderableModelEntityItem.h b/libraries/entities-renderer/src/RenderableModelEntityItem.h
index f1748ca069..50d8801363 100644
--- a/libraries/entities-renderer/src/RenderableModelEntityItem.h
+++ b/libraries/entities-renderer/src/RenderableModelEntityItem.h
@@ -161,7 +161,6 @@ protected:
     virtual bool needsRenderUpdate() const override;
     virtual void doRender(RenderArgs* args) override;
     virtual void doRenderUpdateSynchronousTyped(const ScenePointer& scene, Transaction& transaction, const TypedEntityPointer& entity) override;
-    void flagForCollisionGeometryUpdate();
     void setCollisionMeshKey(const void* key);
 
     render::hifi::Tag getTagMask() const override;
@@ -189,7 +188,6 @@ private:
 #endif
 
     bool _needsJointSimulation { false };
-    bool _needsCollisionGeometryUpdate { false };
     const void* _collisionMeshKey { nullptr };
 
     // used on client side
diff --git a/libraries/render-utils/src/CauterizedModel.cpp b/libraries/render-utils/src/CauterizedModel.cpp
index b03cc071d3..80a9c5ccae 100644
--- a/libraries/render-utils/src/CauterizedModel.cpp
+++ b/libraries/render-utils/src/CauterizedModel.cpp
@@ -47,7 +47,7 @@ bool CauterizedModel::updateGeometry() {
     return needsFullUpdate;
 }
 
-void CauterizedModel::createVisibleRenderItemSet() {
+void CauterizedModel::createRenderItemSet() {
     if (_isCauterized) {
         assert(isLoaded());
         const auto& meshes = _renderGeometry->getMeshes();
@@ -94,15 +94,10 @@ void CauterizedModel::createVisibleRenderItemSet() {
             }
         }
     } else {
-        Model::createVisibleRenderItemSet();
+        Model::createRenderItemSet();
     }
 }
 
-void CauterizedModel::createCollisionRenderItemSet() {
-    // Temporary HACK: use base class method for now
-    Model::createCollisionRenderItemSet();
-}
-
 void CauterizedModel::updateClusterMatrices() {
     PerformanceTimer perfTimer("CauterizedModel::updateClusterMatrices");
 
@@ -186,12 +181,6 @@ void CauterizedModel::updateRenderItems() {
         if (!_addedToScene) {
             return;
         }
-
-        glm::vec3 scale = getScale();
-        if (_collisionGeometry) {
-            // _collisionGeometry is already scaled
-            scale = glm::vec3(1.0f);
-        }
         _needsUpdateClusterMatrices = true;
         _renderItemsNeedUpdate = false;
 
diff --git a/libraries/render-utils/src/CauterizedModel.h b/libraries/render-utils/src/CauterizedModel.h
index d16c928ba6..36a96fb006 100644
--- a/libraries/render-utils/src/CauterizedModel.h
+++ b/libraries/render-utils/src/CauterizedModel.h
@@ -31,9 +31,8 @@ public:
     void deleteGeometry() override;
     bool updateGeometry() override;
 
-    void createVisibleRenderItemSet() override;
-    void createCollisionRenderItemSet() override;
-
+    void createRenderItemSet() override;
+    
     virtual void updateClusterMatrices() override;
     void updateRenderItems() override;
 
diff --git a/libraries/render-utils/src/Model.cpp b/libraries/render-utils/src/Model.cpp
index 9bf6c31784..178c00c4c7 100644
--- a/libraries/render-utils/src/Model.cpp
+++ b/libraries/render-utils/src/Model.cpp
@@ -47,51 +47,9 @@ int vec3VectorTypeId = qRegisterMetaType<QVector<glm::vec3> >();
 float Model::FAKE_DIMENSION_PLACEHOLDER = -1.0f;
 #define HTTP_INVALID_COM "http://invalid.com"
 
-const int NUM_COLLISION_HULL_COLORS = 24;
-std::vector<graphics::MaterialPointer> _collisionMaterials;
-
-void initCollisionMaterials() {
-    // generates bright colors in red, green, blue, yellow, magenta, and cyan spectrums
-    // (no browns, greys, or dark shades)
-    float component[NUM_COLLISION_HULL_COLORS] = {
-        0.0f, 0.0f, 0.0f, 0.0f,
-        0.0f, 0.0f, 0.0f, 0.0f,
-        0.2f, 0.4f, 0.6f, 0.8f,
-        1.0f, 1.0f, 1.0f, 1.0f,
-        1.0f, 1.0f, 1.0f, 1.0f,
-        0.8f, 0.6f, 0.4f, 0.2f
-    };
-    _collisionMaterials.reserve(NUM_COLLISION_HULL_COLORS);
-
-    // each component gets the same cuve
-    // but offset by a multiple of one third the full width
-    int numComponents = 3;
-    int sectionWidth = NUM_COLLISION_HULL_COLORS / numComponents;
-    int greenPhase = sectionWidth;
-    int bluePhase = 2 * sectionWidth;
-
-    // we stride through the colors to scatter adjacent shades
-    // so they don't tend to group together for large models
-    for (int i = 0; i < sectionWidth; ++i) {
-        for (int j = 0; j < numComponents; ++j) {
-            graphics::MaterialPointer material;
-            material = std::make_shared<graphics::Material>();
-            int index = j * sectionWidth + i;
-            float red = component[index % NUM_COLLISION_HULL_COLORS];
-            float green = component[(index + greenPhase) % NUM_COLLISION_HULL_COLORS];
-            float blue = component[(index + bluePhase) % NUM_COLLISION_HULL_COLORS];
-            material->setAlbedo(glm::vec3(red, green, blue));
-            material->setMetallic(0.02f);
-            material->setRoughness(0.5f);
-            _collisionMaterials.push_back(material);
-        }
-    }
-}
-
 Model::Model(QObject* parent, SpatiallyNestable* spatiallyNestableOverride) :
     QObject(parent),
     _renderGeometry(),
-    _collisionGeometry(),
     _renderWatcher(_renderGeometry),
     _spatiallyNestableOverride(spatiallyNestableOverride),
     _translation(0.0f),
@@ -310,16 +268,6 @@ void Model::updateRenderItems() {
             });
         }
 
-        Transform collisionMeshOffset;
-        collisionMeshOffset.setIdentity();
-        foreach(auto itemID, self->_collisionRenderItemsMap.keys()) {
-            transaction.updateItem<MeshPartPayload>(itemID, [renderItemKeyGlobalFlags, modelTransform, collisionMeshOffset](MeshPartPayload& data) {
-                // update the model transform for this render item.
-                data.updateKey(renderItemKeyGlobalFlags);
-                data.updateTransform(modelTransform, collisionMeshOffset);
-            });
-        }
-
         AbstractViewStateInterface::instance()->getMain3DScene()->enqueueTransaction(transaction);
     });
 }
@@ -777,11 +725,6 @@ void Model::updateRenderItemsKey(const render::ScenePointer& scene) {
             data.updateKey(renderItemsKey);
         });
     }
-    foreach(auto item, _collisionRenderItemsMap.keys()) {
-        transaction.updateItem<ModelMeshPartPayload>(item, [renderItemsKey](ModelMeshPartPayload& data) {
-            data.updateKey(renderItemsKey);
-        });
-    }
     scene->enqueueTransaction(transaction);
 }
 
@@ -862,49 +805,37 @@ const render::ItemKey Model::getRenderItemKeyGlobalFlags() const {
 bool Model::addToScene(const render::ScenePointer& scene,
                        render::Transaction& transaction,
                        render::Item::Status::Getters& statusGetters) {
-    bool readyToRender = _collisionGeometry || isLoaded();
-    if (!_addedToScene && readyToRender) {
-        createRenderItemSet();
+    if (!_addedToScene && isLoaded()) {
+        updateClusterMatrices();
+        if (_modelMeshRenderItems.empty()) {
+            createRenderItemSet();
+        }
     }
 
     bool somethingAdded = false;
-    if (_collisionGeometry) {
-        if (_collisionRenderItemsMap.empty()) {
-            foreach (auto renderItem, _collisionRenderItems) {
-                auto item = scene->allocateID();
-                auto renderPayload = std::make_shared<MeshPartPayload::Payload>(renderItem);
-                if (_collisionRenderItems.empty() && statusGetters.size()) {
-                    renderPayload->addStatusGetters(statusGetters);
-                }
-                transaction.resetItem(item, renderPayload);
-                _collisionRenderItemsMap.insert(item, renderPayload);
+
+    if (_modelMeshRenderItemsMap.empty()) {
+
+        bool hasTransparent = false;
+        size_t verticesCount = 0;
+        foreach(auto renderItem, _modelMeshRenderItems) {
+            auto item = scene->allocateID();
+            auto renderPayload = std::make_shared<ModelMeshPartPayload::Payload>(renderItem);
+            if (_modelMeshRenderItemsMap.empty() && statusGetters.size()) {
+                renderPayload->addStatusGetters(statusGetters);
             }
-            somethingAdded = !_collisionRenderItemsMap.empty();
+            transaction.resetItem(item, renderPayload);
+
+            hasTransparent = hasTransparent || renderItem.get()->getShapeKey().isTranslucent();
+            verticesCount += renderItem.get()->getVerticesCount();
+            _modelMeshRenderItemsMap.insert(item, renderPayload);
+            _modelMeshRenderItemIDs.emplace_back(item);
         }
-    } else {
-        if (_modelMeshRenderItemsMap.empty()) {
+        somethingAdded = !_modelMeshRenderItemsMap.empty();
 
-            bool hasTransparent = false;
-            size_t verticesCount = 0;
-            foreach(auto renderItem, _modelMeshRenderItems) {
-                auto item = scene->allocateID();
-                auto renderPayload = std::make_shared<ModelMeshPartPayload::Payload>(renderItem);
-                if (_modelMeshRenderItemsMap.empty() && statusGetters.size()) {
-                    renderPayload->addStatusGetters(statusGetters);
-                }
-                transaction.resetItem(item, renderPayload);
-
-                hasTransparent = hasTransparent || renderItem.get()->getShapeKey().isTranslucent();
-                verticesCount += renderItem.get()->getVerticesCount();
-                _modelMeshRenderItemsMap.insert(item, renderPayload);
-                _modelMeshRenderItemIDs.emplace_back(item);
-            }
-            somethingAdded = !_modelMeshRenderItemsMap.empty();
-
-            _renderInfoVertexCount = verticesCount;
-            _renderInfoDrawCalls = _modelMeshRenderItemsMap.count();
-            _renderInfoHasTransparent = hasTransparent;
-        }
+        _renderInfoVertexCount = verticesCount;
+        _renderInfoDrawCalls = _modelMeshRenderItemsMap.count();
+        _renderInfoHasTransparent = hasTransparent;
     }
 
     if (somethingAdded) {
@@ -926,11 +857,6 @@ void Model::removeFromScene(const render::ScenePointer& scene, render::Transacti
     _modelMeshMaterialNames.clear();
     _modelMeshRenderItemShapes.clear();
 
-    foreach(auto item, _collisionRenderItemsMap.keys()) {
-        transaction.removeItem(item);
-    }
-    _collisionRenderItems.clear();
-    _collisionRenderItemsMap.clear();
     _addedToScene = false;
 
     _renderInfoVertexCount = 0;
@@ -1504,7 +1430,6 @@ void Model::deleteGeometry() {
     _rig.destroyAnimGraph();
     _blendedBlendshapeCoefficients.clear();
     _renderGeometry.reset();
-    _collisionGeometry.reset();
 }
 
 void Model::overrideModelTransformAndOffset(const Transform& transform, const glm::vec3& offset) {
@@ -1533,19 +1458,6 @@ const render::ItemIDs& Model::fetchRenderItemIDs() const {
 }
 
 void Model::createRenderItemSet() {
-    updateClusterMatrices();
-    if (_collisionGeometry) {
-        if (_collisionRenderItems.empty()) {
-            createCollisionRenderItemSet();
-        }
-    } else {
-        if (_modelMeshRenderItems.empty()) {
-            createVisibleRenderItemSet();
-        }
-    }
-};
-
-void Model::createVisibleRenderItemSet() {
     assert(isLoaded());
     const auto& meshes = _renderGeometry->getMeshes();
 
@@ -1591,41 +1503,6 @@ void Model::createVisibleRenderItemSet() {
     }
 }
 
-void Model::createCollisionRenderItemSet() {
-    assert((bool)_collisionGeometry);
-    if (_collisionMaterials.empty()) {
-        initCollisionMaterials();
-    }
-
-    const auto& meshes = _collisionGeometry->getMeshes();
-
-    // We should not have any existing renderItems if we enter this section of code
-    Q_ASSERT(_collisionRenderItems.isEmpty());
-
-    Transform identity;
-    identity.setIdentity();
-    Transform offset;
-    offset.postTranslate(_offset);
-
-    // Run through all of the meshes, and place them into their segregated, but unsorted buckets
-    uint32_t numMeshes = (uint32_t)meshes.size();
-    for (uint32_t i = 0; i < numMeshes; i++) {
-        const auto& mesh = meshes.at(i);
-        if (!mesh) {
-            continue;
-        }
-
-        // Create the render payloads
-        int numParts = (int)mesh->getNumParts();
-        for (int partIndex = 0; partIndex < numParts; partIndex++) {
-            graphics::MaterialPointer& material = _collisionMaterials[partIndex % NUM_COLLISION_HULL_COLORS];
-            auto payload = std::make_shared<MeshPartPayload>(mesh, partIndex, material);
-            payload->updateTransform(identity, offset);
-            _collisionRenderItems << payload;
-        }
-    }
-}
-
 bool Model::isRenderable() const {
     return !_meshStates.empty() || (isLoaded() && _renderGeometry->getMeshes().empty());
 }
@@ -1709,15 +1586,6 @@ public:
     }
 };
 
-void Model::setCollisionMesh(graphics::MeshPointer mesh) {
-    if (mesh) {
-        _collisionGeometry = std::make_shared<CollisionRenderGeometry>(mesh);
-    } else {
-        _collisionGeometry.reset();
-    }
-    _needsFixupInScene = true;
-}
-
 ModelBlender::ModelBlender() :
     _pendingBlenders(0) {
 }
diff --git a/libraries/render-utils/src/Model.h b/libraries/render-utils/src/Model.h
index 67e6d178ea..bc82a0d335 100644
--- a/libraries/render-utils/src/Model.h
+++ b/libraries/render-utils/src/Model.h
@@ -153,8 +153,6 @@ public:
 
     /// Returns a reference to the shared geometry.
     const Geometry::Pointer& getGeometry() const { return _renderGeometry; }
-    /// Returns a reference to the shared collision geometry.
-    const Geometry::Pointer& getCollisionGeometry() const { return _collisionGeometry; }
 
     const QVariantMap getTextures() const { assert(isLoaded()); return _renderGeometry->getTextures(); }
     Q_INVOKABLE virtual void setTextures(const QVariantMap& textures);
@@ -260,7 +258,6 @@ public:
 
     // returns 'true' if needs fullUpdate after geometry change
     virtual bool updateGeometry();
-    void setCollisionMesh(graphics::MeshPointer mesh);
 
     void setLoadingPriority(float priority) { _loadingPriority = priority; }
 
@@ -362,7 +359,6 @@ protected:
     bool getJointPosition(int jointIndex, glm::vec3& position) const;
 
     Geometry::Pointer _renderGeometry; // only ever set by its watcher
-    Geometry::Pointer _collisionGeometry;
 
     GeometryResourceWatcher _renderWatcher;
 
@@ -430,9 +426,7 @@ protected:
     QVector<TriangleSet> _modelSpaceMeshTriangleSets; // model space triangles for all sub meshes
 
 
-    void createRenderItemSet();
-    virtual void createVisibleRenderItemSet();
-    virtual void createCollisionRenderItemSet();
+    virtual void createRenderItemSet();
 
     bool _isWireframe;
     bool _useDualQuaternionSkinning { false };
@@ -443,9 +437,6 @@ protected:
 
     static AbstractViewStateInterface* _viewState;
 
-    QVector<std::shared_ptr<MeshPartPayload>> _collisionRenderItems;
-    QMap<render::ItemID, render::PayloadPointer> _collisionRenderItemsMap;
-
     QVector<std::shared_ptr<ModelMeshPartPayload>> _modelMeshRenderItems;
     QMap<render::ItemID, render::PayloadPointer> _modelMeshRenderItemsMap;
     render::ItemIDs _modelMeshRenderItemIDs;