diff --git a/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp b/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
index 18d961d7bd..6c59dbd861 100644
--- a/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
+++ b/libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
@@ -542,7 +542,7 @@ void OpenGLDisplayPlugin::renderFromTexture(gpu::Batch& batch, const gpu::Textur
         batch.resetViewTransform();
         batch.setViewportTransform(copyFboRect);
         batch.setStateScissorRect(copyFboRect);
-     //   batch.clearColorFramebuffer(gpu::Framebuffer::BUFFER_COLOR0, {0.0f, 0.0f, 0.0f, 1.0f});
+        batch.clearColorFramebuffer(gpu::Framebuffer::BUFFER_COLOR0, {0.0f, 0.0f, 0.0f, 1.0f});
         batch.blit(fbo, sourceRect, copyFbo, copyRect);
     }
 }
diff --git a/libraries/gl/src/gl/GLHelpers.cpp b/libraries/gl/src/gl/GLHelpers.cpp
index 879ea7c5e2..2c02fdca03 100644
--- a/libraries/gl/src/gl/GLHelpers.cpp
+++ b/libraries/gl/src/gl/GLHelpers.cpp
@@ -99,7 +99,6 @@ const QSurfaceFormat& getDefaultOpenGLSurfaceFormat() {
 #else
         format.setProfile(QSurfaceFormat::OpenGLContextProfile::CoreProfile);
 #endif
-
         if (gl::Context::enableDebugLogger()) {
             format.setOption(QSurfaceFormat::DebugContext);
         }
diff --git a/plugins/oculus/src/OculusDisplayPlugin.cpp b/plugins/oculus/src/OculusDisplayPlugin.cpp
index d3703c348e..a34e647a5e 100644
--- a/plugins/oculus/src/OculusDisplayPlugin.cpp
+++ b/plugins/oculus/src/OculusDisplayPlugin.cpp
@@ -152,7 +152,6 @@ void OculusDisplayPlugin::hmdPresent() {
         // taking ownership of the object
         auto fbo = getGLBackend()->getFramebufferID(_outputFramebuffer);
         glNamedFramebufferTexture(fbo, GL_COLOR_ATTACHMENT0, curTexId, 0);
-        auto viewport = ivec4(uvec2(), _outputFramebuffer->getSize());
         render([&](gpu::Batch& batch) {
             batch.enableStereo(false);
             batch.setFramebuffer(_outputFramebuffer);
diff --git a/scripts/developer/utilities/lib/plotperf/Color.qml b/scripts/developer/utilities/lib/plotperf/Color.qml
index 64a3980947..1ad72fe2e6 100644
--- a/scripts/developer/utilities/lib/plotperf/Color.qml
+++ b/scripts/developer/utilities/lib/plotperf/Color.qml
@@ -23,7 +23,6 @@ Item {
     height: 24
 
     property var _color: Qt.rgba(1.0, 1.0, 1.0, 1.0 );
-    property var _lcolor: Qt.vec4(1.0, 1.0, 1.0, 1.0 );
     property var zoneWidth: width / 3;
     property var hoveredOn: 0.0;
     property var sliderHeight: height / 2;
diff --git a/scripts/developer/utilities/render/deferredLighting.qml b/scripts/developer/utilities/render/deferredLighting.qml
index d3cc7adca3..6d98e96780 100644
--- a/scripts/developer/utilities/render/deferredLighting.qml
+++ b/scripts/developer/utilities/render/deferredLighting.qml
@@ -14,7 +14,6 @@ import QtQuick.Layouts 1.3
 import stylesUit 1.0
 import controlsUit 1.0 as HifiControls
 import  "configSlider"
-import  "../lib/plotperf"
 
 Rectangle {
     HifiConstants { id: hifi;}