diff --git a/gc.c b/gc.c
index acf81ef1301844..b20f1060dd4557 100644
--- a/gc.c
+++ b/gc.c
@@ -9519,10 +9519,6 @@ gc_is_moveable_obj(rb_objspace_t *objspace, VALUE obj)
       case T_ZOMBIE:
         return FALSE;
       case T_SYMBOL:
-        if (RSYMBOL(obj)->id & ~ID_SCOPE_MASK) {
-            return FALSE;
-        }
-        /* fall through */
       case T_STRING:
       case T_OBJECT:
       case T_FLOAT: