diff --git a/src/term.c b/src/term.c
index 6fa519b..08a5563 100644
--- a/src/term.c
+++ b/src/term.c
@@ -6629,22 +6629,20 @@
 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
 /*
  * Translate an internal mapping/abbreviation representation into the
- * corresponding external one recognized by :map/:abbrev commands;
- * respects the current B/k/< settings of 'cpoption'.
+ * corresponding external one recognized by :map/:abbrev commands.
+ * Respects the current B/k/< settings of 'cpoption'.
  *
  * This function is called when expanding mappings/abbreviations on the
- * command-line, and for building the "Ambiguous mapping..." error message.
+ * command-line.
  *
- * It uses a growarray to build the translation string since the
- * latter can be wider than the original description. The caller has to
- * free the string afterwards.
+ * It uses a growarray to build the translation string since the latter can be
+ * wider than the original description. The caller has to free the string
+ * afterwards.
  *
  * Returns NULL when there is a problem.
  */
     char_u *
-translate_mapping(
-    char_u	*str,
-    int		expmap)  /* TRUE when expanding mappings on command-line */
+translate_mapping(char_u *str)
 {
     garray_T	ga;
     int		c;
@@ -6691,7 +6689,7 @@
 	    }
 	    if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
 	    {
-		if (expmap && cpo_special)
+		if (cpo_special)
 		{
 		    ga_clear(&ga);
 		    return NULL;
@@ -6703,7 +6701,7 @@
 	    }
 	    if (IS_SPECIAL(c) || modifiers)	/* special key */
 	    {
-		if (expmap && cpo_special)
+		if (cpo_special)
 		{
 		    ga_clear(&ga);
 		    return NULL;