diff --git a/android/app/build.gradle b/android/app/build.gradle
index 779a382536..1cff708c3b 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion '27.0.3'
+    //buildToolsVersion '27.0.3'
 
     defaultConfig {
         applicationId "io.highfidelity.hifiinterface"
diff --git a/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp b/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
index 06f1b24790..40dcf1b8c7 100644
--- a/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
+++ b/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
@@ -172,7 +172,7 @@ public:
                             _context->makeCurrent();
                             CHECK_GL_ERROR();
 #if defined(Q_OS_MAC)
-                            newPlugin->swapBuffers()
+                            newPlugin->swapBuffers();
 #endif
                             gl::setSwapInterval(wantVsync ? 1 : 0);
 #if defined(Q_OS_MAC)
diff --git a/libraries/render-utils/src/RenderForwardTask.cpp b/libraries/render-utils/src/RenderForwardTask.cpp
index d9845f3e80..498807df39 100755
--- a/libraries/render-utils/src/RenderForwardTask.cpp
+++ b/libraries/render-utils/src/RenderForwardTask.cpp
@@ -166,7 +166,6 @@ enum ForwardShader_BufferSlot {
 
 void PrepareForward::run(const RenderContextPointer& renderContext, const Inputs& inputs) {
     RenderArgs* args = renderContext->args;
-    const auto& lightingModel = inputs;
     gpu::doInBatch(args->_context, [&](gpu::Batch& batch) {
         args->_batch = &batch;
 
diff --git a/tests/gl/src/main.cpp b/tests/gl/src/main.cpp
index 613c4f4b7a..beb0367610 100644
--- a/tests/gl/src/main.cpp
+++ b/tests/gl/src/main.cpp
@@ -30,8 +30,6 @@ int main(int argc, char** argv) {
         }
         glClearColor(1.0, 0.0, 1.0, 1.0);
         glClear(GL_COLOR_BUFFER_BIT);
-        auto err = glGetError();
-
         window->swapBuffers();
         window->doneCurrent();
     });