diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
index f8ff33ed309..aca768376a2 100644
--- a/src/mesa/shader/prog_instruction.h
+++ b/src/mesa/shader/prog_instruction.h
@@ -413,13 +413,12 @@ struct prog_instruction
     */
    GLint BranchTarget;
 
-#if 0
    /**
     * For TEX instructions in shaders, the sampler to use for the
     * texture lookup.
     */
    GLint Sampler;
-#endif
+
    const char *Comment;
 };