1 files changed, 0 insertions, 2 deletions
diff --git a/diff.h b/diff.h
index e79f3b3ff0..a24a767db7 100644
--- a/diff.h
+++ b/diff.h
@@ -345,8 +345,6 @@ extern int parse_rename_score(const char **cp_p);
 
 extern long parse_algorithm_value(const char *value);
 
-extern void handle_deprecated_show_diff_q(struct diff_options *);
-
 extern int print_stat_summary(FILE *fp, int files,
 			      int insertions, int deletions);
 extern void setup_diff_pager(struct diff_options *);