diff --git a/script.js b/script.js
index 0d9637f90bd2d988d42ab06ebad3795f13a716e5..a5f14562f4f920e954bea04664d69362ff949915 100644
--- a/script.js
+++ b/script.js
@@ -360,14 +360,9 @@ function fn_depth_mode(val)
 }
 
 var mMat, vMat, pMat, tempMat; 
-var xMat, yMat, zMat; // Modify
-var identityMat;
 var depth_clear_value = 1.0; 
 
 function renderScene() {
-	
-	// fn_make_clear_stencil();
-	
   gl.clearColor(0.0, 0.0, 0.0, 1.0);
 	gl.clearDepth(depth_clear_value);											// Added for depth Test 
 	gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);	// Added for depth Test