diff --git a/libraries/render-utils/src/BloomEffect.cpp b/libraries/render-utils/src/BloomEffect.cpp
index 239508cd50..69bc790c59 100644
--- a/libraries/render-utils/src/BloomEffect.cpp
+++ b/libraries/render-utils/src/BloomEffect.cpp
@@ -41,7 +41,6 @@ void BloomThreshold::run(const render::RenderContextPointer& renderContext, cons
     assert(inputFrameBuffer->hasColor());
 
     auto inputBuffer = inputFrameBuffer->getRenderBuffer(0);
-    auto sourceViewport = args->_viewport;
     auto bufferSize = glm::ivec2(inputBuffer->getDimensions());
 
     if (!_outputBuffer || _outputBuffer->getSize() != inputFrameBuffer->getSize()) {
diff --git a/libraries/render/src/render/BlurTask.cpp b/libraries/render/src/render/BlurTask.cpp
index a200e0c8ec..5b759ca33c 100644
--- a/libraries/render/src/render/BlurTask.cpp
+++ b/libraries/render/src/render/BlurTask.cpp
@@ -82,7 +82,7 @@ void BlurParams::setFilterGaussianTaps(int numHalfTaps, float sigma) {
     const int numTaps = 2 * numHalfTaps + 1;
     assert(numTaps <= BLUR_MAX_NUM_TAPS);
     assert(sigma > 0.0f);
-    const float inverseTwoSigmaSquared = float(0.5 / (sigma*sigma));
+    const float inverseTwoSigmaSquared = float(0.5 / double(sigma*sigma));
     float totalWeight = 1.0f;
     float weight;
     float offset;
diff --git a/libraries/render/src/render/ResampleTask.cpp b/libraries/render/src/render/ResampleTask.cpp
index ef75b54094..929db50c31 100644
--- a/libraries/render/src/render/ResampleTask.cpp
+++ b/libraries/render/src/render/ResampleTask.cpp
@@ -61,7 +61,6 @@ void HalfDownsample::run(const RenderContextPointer& renderContext, const gpu::F
         _pipeline = gpu::Pipeline::create(program, state);
     }
 
-    const auto sourceSize = sourceFramebuffer->getSize();
     const auto bufferSize = resampledFrameBuffer->getSize();
     glm::ivec4 viewport{ 0, 0, bufferSize.x, bufferSize.y };