diff --git a/src/effects/shaders/smaa.frag b/src/effects/shaders/smaa.frag
index f361dae61..05a910126 100644
--- a/src/effects/shaders/smaa.frag
+++ b/src/effects/shaders/smaa.frag
@@ -1,8 +1,5 @@
 uniform lowp sampler2D weightMap;
 
-in vec2 vOffset0;
-in vec2 vOffset1;
-
 /**
  * Moves values to a target vector based on a given conditional vector.
  */
@@ -25,8 +22,8 @@ vec4 smaa(sampler2D inputBuffer, const in vec4 inputColor, const in vec2 uv) {
 
 	// Fetch the blending weights for the current pixel.
 	vec4 a;
-	a.x = texture(weightMap, vOffset0).a;
-	a.y = texture(weightMap, vOffset1).g;
+	a.x = textureOffset(weightMap, uv, ivec2(1, 0)).a;
+	a.y = textureOffset(weightMap, uv, ivec2(0, 1)).g;
 	a.wz = texture(weightMap, uv).rb;
 
 	vec4 color = inputColor;
diff --git a/src/effects/shaders/smaa.vert b/src/effects/shaders/smaa.vert
deleted file mode 100644
index eb5e78d3e..000000000
--- a/src/effects/shaders/smaa.vert
+++ /dev/null
@@ -1,9 +0,0 @@
-out vec2 vOffset0;
-out vec2 vOffset1;
-
-void mainSupport(const in vec2 uv) {
-
-	vOffset0 = uv + resolution.zw * vec2(1.0, 0.0);
-	vOffset1 = uv + resolution.zw * vec2(0.0, 1.0);
-
-}