diff --git a/libraries/gpu/src/gpu/GLBackendPipeline.cpp b/libraries/gpu/src/gpu/GLBackendPipeline.cpp
index 0f7d3d6db8..d285cdd8d8 100755
--- a/libraries/gpu/src/gpu/GLBackendPipeline.cpp
+++ b/libraries/gpu/src/gpu/GLBackendPipeline.cpp
@@ -115,6 +115,7 @@ void GLBackend::updatePipeline() {
          State::Data state;
          getCurrentGLState(state);
          State::Signature signature = State::evalSignature(state);
+         (void) signature; // quiet compiler
     }
 #endif
 
diff --git a/libraries/gpu/src/gpu/GLBackendState.cpp b/libraries/gpu/src/gpu/GLBackendState.cpp
index fba40ca77f..68ade677fe 100644
--- a/libraries/gpu/src/gpu/GLBackendState.cpp
+++ b/libraries/gpu/src/gpu/GLBackendState.cpp
@@ -139,7 +139,6 @@ GLBackend::GLState* GLBackend::syncGPUObject(const State& state) {
 
     bool depthBias = false;
     bool stencilState = false;
-    bool blendState = false;
 
     // go thorugh the list of state fields in the State and record the corresponding gl command
     for (int i = 0; i < State::NUM_FIELDS; i++) {
@@ -732,4 +731,4 @@ void GLBackend::do_setStateBlendFactor(Batch& batch, uint32 paramOffset) {
 
     glBlendColor(factor.x, factor.y, factor.z, factor.w);
     CHECK_GL_ERROR();
-}
\ No newline at end of file
+}