diff --git a/interface/src/LODManager.cpp b/interface/src/LODManager.cpp
index 0c9587d3ae..0cf795e35b 100644
--- a/interface/src/LODManager.cpp
+++ b/interface/src/LODManager.cpp
@@ -54,6 +54,7 @@ void LODManager::setRenderTimes(float presentTime, float engineRunTime, float ba
 }
 
 void LODManager::autoAdjustLOD(float realTimeDelta) {
+    std::lock_guard<std::mutex> { _automaticLODLock };
  
     // The "render time" is the worse of:
     // - engineRunTime: Time spent in the render thread in the engine producing the gpu::Frame N
@@ -235,6 +236,7 @@ void LODManager::resetLODAdjust() {
 }
 
 void LODManager::setAutomaticLODAdjust(bool value) {
+    std::lock_guard<std::mutex> { _automaticLODLock };
     _automaticLODAdjust = value;
     emit autoLODChanged();
 }
@@ -426,7 +428,6 @@ float LODManager::getWorldDetailQuality() const {
     return HIGH;
 }
 
-
 void LODManager::setLODQualityLevel(float quality) {
     _lodQualityLevel = quality;
 }
diff --git a/interface/src/LODManager.h b/interface/src/LODManager.h
index 77cb1a0d39..649e0e8e34 100644
--- a/interface/src/LODManager.h
+++ b/interface/src/LODManager.h
@@ -12,6 +12,8 @@
 #ifndef hifi_LODManager_h
 #define hifi_LODManager_h
 
+#include <mutex>
+
 #include <DependencyManager.h>
 #include <NumericalConstants.h>
 #include <OctreeConstants.h>
@@ -47,11 +49,6 @@ class AABox;
  * @property {number} presentTime <em>Read-only.</em>
  * @property {number} engineRunTime <em>Read-only.</em>
  * @property {number} gpuTime <em>Read-only.</em>
- * @property {number} avgRenderTime <em>Read-only.</em>
- * @property {number} fps <em>Read-only.</em>
- * @property {number} lodLevel <em>Read-only.</em>
- * @property {number} lodDecreaseFPS <em>Read-only.</em>
- * @property {number} lodIncreaseFPS <em>Read-only.</em>
  */
 
 class LODManager : public QObject, public Dependency {
@@ -240,6 +237,7 @@ signals:
 private:
     LODManager();
 
+    std::mutex _automaticLODLock;
     bool _automaticLODAdjust = true;
 
     float _presentTime{ 0.0f }; // msec
diff --git a/scripts/simplifiedUI/ui/simplifiedUI.js b/scripts/simplifiedUI/ui/simplifiedUI.js
index 50c626b594..f4f2627c66 100644
--- a/scripts/simplifiedUI/ui/simplifiedUI.js
+++ b/scripts/simplifiedUI/ui/simplifiedUI.js
@@ -531,21 +531,21 @@ function maybeUpdateOutputDeviceMutedOverlay() {
 
 
 var oldAutomaticLODAdjust;
-var oldLODLevel;
-var DEFAULT_AUTO_LOD_ADJUST = false;
-var DEFAULT_LOD_LEVEL = 0.5;
+var oldLODAngleDeg;
+var SIMPLIFIED_UI_AUTO_LOD_ADJUST = false;
+var SIMPLIFIED_UI_LOD_ANGLE_DEG = 0.5;
 function modifyLODSettings() {
     oldAutomaticLODAdjust = LODManager.automaticLODAdjust;
-    oldLODLevel = LODManager.lodQualityLevel;
+    oldLODAngleDeg = LODManager.lodAngleDeg;
 
-    LODManager.automaticLODAdjust = DEFAULT_AUTO_LOD_ADJUST;
-    LODManager.lodQualityLevel = DEFAULT_LOD_LEVEL;
+    LODManager.automaticLODAdjust = SIMPLIFIED_UI_AUTO_LOD_ADJUST;
+    LODManager.lodAngleDeg = SIMPLIFIED_UI_LOD_ANGLE_DEG;
 }
 
 
 function restoreLODSettings() {
     LODManager.automaticLODAdjust = oldAutomaticLODAdjust;
-    LODManager.lodQualityLevel = oldLODLevel;
+    LODManager.lodAngleDeg = oldLODAngleDeg;
 }