diff --git a/collects/drscheme/private/rep.ss b/collects/drscheme/private/rep.ss
index 184b6afa94..f15bdace0d 100644
--- a/collects/drscheme/private/rep.ss
+++ b/collects/drscheme/private/rep.ss
@@ -1168,7 +1168,6 @@ TODO
              
              (cleanup-sucessful 'not-yet-cleanup-sucessful)
              (cleanup-semaphore 'not-yet-cleanup-semaphore)
-             (thread-grace 'not-yet-thread-grace)
              (thread-killed 'not-yet-thread-killed))
       (define/private (initialize-killed-thread) ; =Kernel=
         (when (thread? thread-killed)