diff --git a/libraries/animation/src/AnimPose.cpp b/libraries/animation/src/AnimPose.cpp
index 209a07f479..ba97f70518 100644
--- a/libraries/animation/src/AnimPose.cpp
+++ b/libraries/animation/src/AnimPose.cpp
@@ -17,9 +17,8 @@ const AnimPose AnimPose::identity = AnimPose(glm::vec3(1.0f),
                                              glm::quat(),
                                              glm::vec3(0.0f));
 
-AnimPose::AnimPose(const glm::mat4& mat) : _dirty(false) {
+AnimPose::AnimPose(const glm::mat4& mat) {
     static const float EPSILON = 0.0001f;
-    _mat = mat;
     _scale = extractScale(mat);
     // quat_cast doesn't work so well with scaled matrices, so cancel it out.
     glm::mat4 tmp = glm::scale(mat, 1.0f / _scale);
@@ -60,7 +59,6 @@ AnimPose AnimPose::operator*(const AnimPose& rhs) const {
 #else 
     return AnimPose(static_cast<glm::mat4>(*this) * static_cast<glm::mat4>(rhs));
 #endif
-
 }
 
 AnimPose AnimPose::inverse() const {
@@ -72,14 +70,10 @@ AnimPose AnimPose::mirror() const {
     return AnimPose(_scale, glm::quat(_rot.w, _rot.x, -_rot.y, -_rot.z), glm::vec3(-_trans.x, _trans.y, _trans.z));
 }
 
-AnimPose::operator const glm::mat4&() const {
-    if (_dirty) {
-        glm::vec3 xAxis = _rot * glm::vec3(_scale.x, 0.0f, 0.0f);
-        glm::vec3 yAxis = _rot * glm::vec3(0.0f, _scale.y, 0.0f);
-        glm::vec3 zAxis = _rot * glm::vec3(0.0f, 0.0f, _scale.z);
-        _mat = glm::mat4(glm::vec4(xAxis, 0.0f), glm::vec4(yAxis, 0.0f),
-            glm::vec4(zAxis, 0.0f), glm::vec4(_trans, 1.0f));
-        _dirty = false;
-    }
-    return _mat;
+AnimPose::operator glm::mat4() const {
+    glm::vec3 xAxis = _rot * glm::vec3(_scale.x, 0.0f, 0.0f);
+    glm::vec3 yAxis = _rot * glm::vec3(0.0f, _scale.y, 0.0f);
+    glm::vec3 zAxis = _rot * glm::vec3(0.0f, 0.0f, _scale.z);
+    return glm::mat4(glm::vec4(xAxis, 0.0f), glm::vec4(yAxis, 0.0f),
+        glm::vec4(zAxis, 0.0f), glm::vec4(_trans, 1.0f));
 }
diff --git a/libraries/animation/src/AnimPose.h b/libraries/animation/src/AnimPose.h
index fbe819dbaa..893a5c1382 100644
--- a/libraries/animation/src/AnimPose.h
+++ b/libraries/animation/src/AnimPose.h
@@ -32,22 +32,19 @@ public:
 
     AnimPose inverse() const;
     AnimPose mirror() const;
-    operator const glm::mat4&() const;
+    operator glm::mat4() const;
 
     const glm::vec3& scale() const { return _scale; }
-    glm::vec3& scale() { _dirty = true; return _scale; }
+    glm::vec3& scale() { return _scale; }
 
     const glm::quat& rot() const { return _rot; }
-    glm::quat& rot() { _dirty = true; return _rot; }
+    glm::quat& rot() { return _rot; }
 
     const glm::vec3& trans() const { return _trans; }
-    glm::vec3& trans() { _dirty = true;  return _trans; }
+    glm::vec3& trans() { return _trans; }
 
 private:
     friend QDebug operator<<(QDebug debug, const AnimPose& pose);
-
-    mutable bool _dirty { true };
-    mutable glm::mat4 _mat;
     glm::vec3 _scale { 1.0f };
     glm::quat _rot;
     glm::vec3 _trans;
diff --git a/libraries/animation/src/Rig.cpp b/libraries/animation/src/Rig.cpp
index 27a9126099..8d0c2567fe 100644
--- a/libraries/animation/src/Rig.cpp
+++ b/libraries/animation/src/Rig.cpp
@@ -1233,7 +1233,7 @@ void Rig::buildAbsoluteRigPoses(const AnimPoseVec& relativePoses, AnimPoseVec& a
     }
 }
 
-const glm::mat4& Rig::getJointTransform(int jointIndex) const {
+glm::mat4 Rig::getJointTransform(int jointIndex) const {
     static const glm::mat4 IDENTITY;
     if (isIndexValid(jointIndex)) {
         return _internalPoseSet._absolutePoses[jointIndex];
diff --git a/libraries/animation/src/Rig.h b/libraries/animation/src/Rig.h
index 9add76f40a..aa091fe10c 100644
--- a/libraries/animation/src/Rig.h
+++ b/libraries/animation/src/Rig.h
@@ -141,7 +141,7 @@ public:
     bool getJointCombinedRotation(int jointIndex, glm::quat& result, const glm::quat& rotation) const;
 
     // rig space
-    const glm::mat4& getJointTransform(int jointIndex) const;
+    glm::mat4 getJointTransform(int jointIndex) const;
 
     // Start or stop animations as needed.
     void computeMotionAnimationState(float deltaTime, const glm::vec3& worldPosition, const glm::vec3& worldVelocity, const glm::quat& worldRotation, CharacterControllerState ccState);