diff --git a/gc.c b/gc.c
index 2e99911bf4..2cd9880bab 100644
--- a/gc.c
+++ b/gc.c
@@ -3386,12 +3386,6 @@ cvar_table_free_i(VALUE value, void * ctx)
     return ID_TABLE_CONTINUE;
 }
 
-void
-rb_cc_table_free(VALUE klass)
-{
-    cc_table_free(&rb_objspace, klass, TRUE);
-}
-
 static inline void
 make_zombie(rb_objspace_t *objspace, VALUE obj, void (*dfree)(void *), void *data)
 {
diff --git a/vm_method.c b/vm_method.c
index 9d33a4e69f..6ae7d46185 100644
--- a/vm_method.c
+++ b/vm_method.c
@@ -309,9 +309,6 @@ rb_clear_method_cache(VALUE klass_or_module, ID mid)
     }
 }
 
-// gc.c
-void rb_cc_table_free(VALUE klass);
-
 static int
 invalidate_all_refinement_cc(void *vstart, void *vend, size_t stride, void *data)
 {