1 files changed, 0 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index bd6134d7d6..a0c1ced09b 100644
--- a/hash.c
+++ b/hash.c
@@ -171,7 +171,6 @@ static const struct st_hash_type objhash = {
     rb_any_hash,
 };
 
-extern const struct st_hash_type st_hashtype_num;
 #define identhash st_hashtype_num
 
 typedef int st_foreach_func(st_data_t, st_data_t, st_data_t);