diff --git a/src/spell.c b/src/spell.c
index 5120681..5bfb212 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -16151,11 +16151,9 @@
  * Returns the number of matches.  The matches are in "matchp[]", array of
  * allocated strings.
  */
-/*ARGSUSED*/
     int
-expand_spelling(lnum, col, pat, matchp)
+expand_spelling(lnum, pat, matchp)
     linenr_T	lnum;
-    int		col;
     char_u	*pat;
     char_u	***matchp;
 {