diff --git a/C/grow.c b/C/grow.c
index c58ff23d6..8efea3b5e 100644
--- a/C/grow.c
+++ b/C/grow.c
@@ -857,7 +857,6 @@ static_growglobal(long request, CELL **ptr, CELL *hsplit)
     do_grow is whether we expand stacks
   */
 
-  if (delay_overflows==833) jmp_deb(1);
   if (hsplit) {
     /* just a little bit of sanity checking */
     if (hsplit < H0 && hsplit > (CELL *)Yap_GlobalBase) {