diff --git a/collects/compiler/sig.ss b/collects/compiler/sig.ss
index 15d212d7fb..0cd9fb8f4e 100644
--- a/collects/compiler/sig.ss
+++ b/collects/compiler/sig.ss
@@ -64,8 +64,6 @@
    
       debug ; #t => creates debug.txt debugging file
       test  ; #t => ignores top-level expressions with syntax errors
-      
-      zo-compiler-flags
       ))
 
   ;; Compiler procedures