diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index ec20daa..3f8c508 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -2442,7 +2442,7 @@
     }
 }
 
-#ifdef FEAT_LISTCMDS
+#if defined(FEAT_LISTCMDS) || defined(PROTO)
 /*
  * ":argedit"
  */
@@ -2565,6 +2565,15 @@
     }
 #endif
 
+#ifndef FEAT_QUICKFIX
+    if (eap->cmdidx == CMD_cdo || eap->cmdidx == CMD_ldo ||
+	    eap->cmdidx == CMD_cfdo || eap->cmdidx == CMD_lfdo)
+    {
+	ex_ni(eap);
+	return;
+    }
+#endif
+
 #if defined(FEAT_AUTOCMD) && defined(FEAT_SYN_HL)
     if (eap->cmdidx != CMD_windo && eap->cmdidx != CMD_tabdo)
 	/* Don't do syntax HL autocommands.  Skipping the syntax file is a