diff --git a/libraries/render-utils/src/RenderShadowTask.cpp b/libraries/render-utils/src/RenderShadowTask.cpp
index c49acc49fc..6227a0382b 100755
--- a/libraries/render-utils/src/RenderShadowTask.cpp
+++ b/libraries/render-utils/src/RenderShadowTask.cpp
@@ -366,7 +366,7 @@ void RenderShadowSetup::configure(const Config& configuration) {
 
 void RenderShadowSetup::calculateBiases() {
     // slope scaling values derived from ratio between original constantBias and slopeBias pairs
-    const std::vector<float> SLOPE_SCALES = {2.7f, 3.0f, 3.7f, 3.5f};
+    const std::array<float, 4> SLOPE_SCALES = { 2.7f, 3.0f, 3.7f, 3.5f };
     const float CONVERT_BIAS = 100.0f;
     const float MIN_SCALE_DIVISOR = 0.5f;
 
@@ -376,8 +376,8 @@ void RenderShadowSetup::calculateBiases() {
     float inverseResolution = 1.0f / (float)resolution;
     int resolutionScale = DEFAULT_RESOLUTION * inverseResolution;
     float convertedBias = _biasInput * (CONVERT_BIAS / resolutionScale);
-    std::vector<float> localConstants = std::vector<float>(4);
-    std::vector<float> localSlopes = std::vector<float>(4);
+    std::array<float, 4> localConstants;
+    std::array<float, 4> localSlopes;
     float scaleFactor = 1.0f;
 
     for (int i = 0; i < SHADOW_CASCADE_MAX_COUNT; i++) {
diff --git a/libraries/render-utils/src/RenderShadowTask.h b/libraries/render-utils/src/RenderShadowTask.h
index aad40de028..ceca28cec8 100755
--- a/libraries/render-utils/src/RenderShadowTask.h
+++ b/libraries/render-utils/src/RenderShadowTask.h
@@ -147,7 +147,7 @@ private:
     bool changeInDefaultConfigValues{ false }; 
     bool distanceTriggeredByConfig{ false };
     bool biasTriggeredByConfig{ false };
-    std::vector<float> cacasdeDistances = std::vector<float>(8);  // 4 max then 4 min distances
+    std::array<float, 8> cacasdeDistances;  // 4 max then 4 min distances
 
     void setConstantBias(int cascadeIndex, float value);
     void setSlopeBias(int cascadeIndex, float value);