diff --git a/indra/newview/app_settings/shaders/class1/post/snapshotFrameF.glsl b/indra/newview/app_settings/shaders/class1/post/snapshotFrameF.glsl
index 3f76193610..1e3576d19e 100644
--- a/indra/newview/app_settings/shaders/class1/post/snapshotFrameF.glsl
+++ b/indra/newview/app_settings/shaders/class1/post/snapshotFrameF.glsl
@@ -1,5 +1,3 @@
-#extension GL_ARB_texture_rectangle : enable
-
 out vec4 frag_color;
 
 uniform sampler2D diffuseRect;