diff --git a/src/xc.c b/src/xc.c
index f9bd624..53d023c 100644
--- a/src/xc.c
+++ b/src/xc.c
@@ -1046,15 +1046,6 @@ nextopcode:
     case 0377:
     case377:
       CLARITHEQUAL;
-#ifdef OPDISP
-#ifdef ISC
-    case 0400:
-      goto setup_table; /* to defeat optimizer, so optable exists */
-#elif (DOS && OPDISP)
-    case 0400: goto setup_table;
-#endif /* ISC */
-
-#endif /* OPDISP */
 
 #ifdef I386
     /* to defeat the damn optimizer, make it look like */