diff --git a/assets/shaders/naturalA.vsh b/assets/shaders/naturalA.vsh
index 98b1fb9e77..ebad6e2724 100644
--- a/assets/shaders/naturalA.vsh
+++ b/assets/shaders/naturalA.vsh
@@ -1,5 +1,3 @@
-uniform vec2 u_texelDelta;
-
 attribute vec4 a_position;
 attribute vec2 a_texcoord0;