diff --git a/effects/invert/data/invert.frag b/effects/invert/data/invert.frag
index 3cf809db52..a9e1201460 100644
--- a/effects/invert/data/invert.frag
+++ b/effects/invert/data/invert.frag
@@ -1,7 +1,6 @@
 uniform sampler2D sampler;
 uniform vec4 modulation;
 uniform float saturation;
-uniform int u_forceAlpha;
 
 varying vec2 varyingTexCoords;
 
@@ -9,10 +8,6 @@ void main()
 {
     vec4 tex = texture2D(sampler, varyingTexCoords);
 
-    if (u_forceAlpha > 0) {
-        tex.a = 1.0;
-    }
-
     if (saturation != 1.0) {
         vec3 desaturated = tex.rgb * vec3( 0.30, 0.59, 0.11 );
         desaturated = vec3( dot( desaturated, tex.rgb ));