1 files changed, 1 insertions, 1 deletions
diff --git a/diff.h b/diff.h
index f7208ad103..f61ee5494b 100644
--- a/diff.h
+++ b/diff.h
@@ -345,7 +345,7 @@ extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
 
 extern int diff_result_code(struct diff_options *, int);
 
-extern void diff_no_index(struct rev_info *, int, const char **, const char *);
+extern void diff_no_index(struct rev_info *, int, const char **);
 
 extern int index_differs_from(const char *def, int diff_flags);