1 files changed, 0 insertions, 3 deletions
diff --git a/cache.h b/cache.h
index b79802a463..08f6fbd801 100644
--- a/cache.h
+++ b/cache.h
@@ -523,9 +523,6 @@ int add_files_to_cache(struct repository *repo, const char *prefix,
 		       const struct pathspec *pathspec, int include_sparse,
 		       int flags);
 
-/* diff.c */
-extern int diff_auto_refresh_index;
-
 /* ls-files */
 void overlay_tree_on_index(struct index_state *istate,
 			   const char *tree_name, const char *prefix);