1 files changed, 0 insertions, 2 deletions
diff --git a/string.c b/string.c
index a7502b4166..5c09465196 100644
--- a/string.c
+++ b/string.c
@@ -233,8 +233,6 @@ static int fstring_cmp(VALUE a, VALUE b);
 
 static VALUE register_fstring(VALUE str);
 
-st_table *rb_vm_fstring_table(void);
-
 const struct st_hash_type rb_fstring_hash_type = {
     fstring_cmp,
     rb_str_hash,