1 files changed, 0 insertions, 2 deletions
diff --git a/diff.h b/diff.h
index 6aa412869e..0d1f9ae347 100644
--- a/diff.h
+++ b/diff.h
@@ -39,8 +39,6 @@ extern void diff_setup(int reverse);
 
 extern void diffcore_rename(int rename_copy, int minimum_score);
 
-extern void diffcore_prune(void);
-
 extern void diffcore_pickaxe(const char *needle);
 extern void diffcore_pathspec(const char **pathspec);