diff --git a/src/meshlabplugins/meshrender/shaderStructs.h b/src/meshlabplugins/meshrender/shaderStructs.h
index 3e56bbcde..ea3971e1c 100644
--- a/src/meshlabplugins/meshrender/shaderStructs.h
+++ b/src/meshlabplugins/meshrender/shaderStructs.h
@@ -15,13 +15,6 @@ struct UniformVariable {
 		int ival[4];
 		float fval[4];
 	};
-	/*union {
-	int ival;
-	float fval;
-	float val2[2];
-	float val3[3];
-	float val4[4];
-	};*/
 };
 
 struct ShaderInfo {