diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 3a251af24069c20ab002d02641179ac40d60f38b..d29d9d4207cbf116cb3d66c0ba2ae1b57c2f9a45 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -254,11 +254,7 @@ void main()
     sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, frag, pos.xyz, norm.xyz, 0.0, 0.0, true, amblit_linear);
     
 
-    float da = dot(norm.xyz, light_dir.xyz);
-          da = clamp(da, -1.0, 1.0);
- 
-    float final_da = da;
-          final_da = clamp(final_da, 0.0f, 1.0f);
+    float final_da = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0);
 
     vec4 color = vec4(0.0);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
index f9ef2f2183579393d43d8b2827278c273b37a244..253bbc0818b0466a28ba2ba620e9fe1c464fcb7e 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
@@ -346,8 +346,6 @@ void main()
     color.rgb += sun_contrib;
     color *= diffcol.rgb;
 
-    vec3 refnormpersp = reflect(pos.xyz, norm.xyz);
-
     float glare = 0.0;
 
     if (glossiness > 0.0)