diff --git a/Assets/Edge Detection/EdgeDetect.shader b/Assets/Edge Detection/EdgeDetect.shader
index 7716f22..68d8005 100644
--- a/Assets/Edge Detection/EdgeDetect.shader	
+++ b/Assets/Edge Detection/EdgeDetect.shader	
@@ -34,13 +34,9 @@
             float4 _BorderColor;
 
             fixed4 fp(v2f i) : SV_Target {
-                int x, y;
                 fixed4 col = tex2D(_MainTex, i.uv);
                 float depth = tex2D(_CameraDepthTexture, i.uv);
                 depth = Linear01Depth(depth);
-            
-                float depths;
-
 
                 float n = Linear01Depth(tex2D(_CameraDepthTexture, i.uv + _CameraDepthTexture_TexelSize * float2(0, 1)).r);
                 float e = Linear01Depth(tex2D(_CameraDepthTexture, i.uv + _CameraDepthTexture_TexelSize * float2(1, 0)).r);