diff --git a/yjit.c b/yjit.c
index 258114772c..d40ac81fb5 100644
--- a/yjit.c
+++ b/yjit.c
@@ -1047,7 +1047,6 @@ rb_yjit_multi_ractor_p(void)
 void
 rb_assert_iseq_handle(VALUE handle)
 {
-    RUBY_ASSERT_ALWAYS(rb_objspace_markable_object_p(handle));
     RUBY_ASSERT_ALWAYS(IMEMO_TYPE_P(handle, imemo_iseq));
 }