diff --git a/source/app.d b/source/app.d
index 3fa1d07..1253f48 100644
--- a/source/app.d
+++ b/source/app.d
@@ -303,7 +303,6 @@ struct PixelBuffer {
 		void main() {
 			float v = texture(tex, frag_uv.st).r;
 			out_col = vec4(v, v, v, 1.0);
-			// out_col = vec4(1.0, 0.0, 0.0, 1.0);
 		}
 
 	};