diff --git a/libraries/gpu-gl-common/src/gpu/gl/GLBackendShader.cpp b/libraries/gpu-gl-common/src/gpu/gl/GLBackendShader.cpp
index 88d2e8609f..7267e29be2 100644
--- a/libraries/gpu-gl-common/src/gpu/gl/GLBackendShader.cpp
+++ b/libraries/gpu-gl-common/src/gpu/gl/GLBackendShader.cpp
@@ -212,6 +212,8 @@ GLShader* GLBackend::compileBackendProgram(const Shader& program, const Shader::
             glprogram = ::gl::buildProgram(shaderGLObjects);
 
             if (!::gl::linkProgram(glprogram, compilationLogs[version].message)) {
+                qCWarning(gpugllogging) << "GLBackend::compileBackendProgram - Program didn't link:\n" << compilationLogs[version].message.c_str();
+                compilationLogs[version].compiled = false;                
                 glDeleteProgram(glprogram);
                 glprogram = 0;
                 return nullptr;
@@ -254,7 +256,7 @@ GLint GLBackend::getRealUniformLocation(GLint location) const {
         // uniforms.  If someone is requesting a uniform that isn't in the remapping structure
         // that's a bug from the calling code, because it means that location wasn't in the 
         // reflection
-        qWarning() << "Unexpected location requested for shader";
+        qWarning() << "Unexpected location requested for shader: #" << location;
         return INVALID_UNIFORM_INDEX;
     }
     return itr->second;
diff --git a/libraries/render-utils/src/DeferredLightingEffect.cpp b/libraries/render-utils/src/DeferredLightingEffect.cpp
index 2995d17f03..af5a3f3e63 100644
--- a/libraries/render-utils/src/DeferredLightingEffect.cpp
+++ b/libraries/render-utils/src/DeferredLightingEffect.cpp
@@ -496,10 +496,6 @@ void RenderDeferredSetup::run(const render::RenderContextPointer& renderContext,
             batch.setPipeline(program);
         }
 
-        // Adjust the texcoordTransform in the case we are rendeirng a sub region(mini mirror)
-        auto textureFrameTransform = gpu::Framebuffer::evalSubregionTexcoordTransformCoefficients(deferredFramebuffer->getFrameSize(), args->_viewport);
-        batch._glUniform4fv(ru::Uniform::TexcoordTransform, 1, reinterpret_cast< const float* >(&textureFrameTransform));
-
         // Setup the global lighting
         deferredLightingEffect->setupKeyLightBatch(args, batch);
 
@@ -560,23 +556,18 @@ void RenderDeferredLocals::run(const render::RenderContextPointer& renderContext
         batch.setViewportTransform(viewport);
         batch.setStateScissorRect(viewport);
 
-        auto textureFrameTransform = gpu::Framebuffer::evalSubregionTexcoordTransformCoefficients(deferredFramebuffer->getFrameSize(), viewport);
-
-
         auto& lightIndices = lightClusters->_visibleLightIndices;
         if (!lightIndices.empty() && lightIndices[0] > 0) {
             deferredLightingEffect->setupLocalLightsBatch(batch, lightClusters);
 
             // Local light pipeline
             batch.setPipeline(deferredLightingEffect->_localLight);
-            batch._glUniform4fv(ru::Uniform::TexcoordTransform, 1, reinterpret_cast<const float*>(&textureFrameTransform));
 
             batch.draw(gpu::TRIANGLE_STRIP, 4);
 
              // Draw outline as well ?
             if (lightingModel->isShowLightContourEnabled()) {
                 batch.setPipeline(deferredLightingEffect->_localLightOutline);
-                batch._glUniform4fv(ru::Uniform::TexcoordTransform, 1, reinterpret_cast<const float*>(&textureFrameTransform));
 
                 batch.draw(gpu::TRIANGLE_STRIP, 4);
             }
diff --git a/libraries/render-utils/src/deferred_light.slv b/libraries/render-utils/src/deferred_light.slv
index 654e9a69b2..164fd9fb3b 100644
--- a/libraries/render-utils/src/deferred_light.slv
+++ b/libraries/render-utils/src/deferred_light.slv
@@ -16,8 +16,6 @@
 
 layout(location=RENDER_UTILS_ATTR_TEXCOORD01) out vec4 _texCoord01;
 
-layout(location=RENDER_UTILS_UNIFORM_LIGHT_TEXCOORD_TRANSFORM) uniform vec4 texcoordFrameTransform;
-
 void main(void) {
     const float depth = 1.0;
     const vec4 UNIT_QUAD[4] = vec4[4](
@@ -30,8 +28,5 @@ void main(void) {
 
     _texCoord01.xy = (pos.xy + 1.0) * 0.5;
 
-    _texCoord01.xy *= texcoordFrameTransform.zw;
-    _texCoord01.xy += texcoordFrameTransform.xy;
-
     gl_Position = pos;
 }