diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 68688ad72d62..5a0b7ac63c43 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -342,7 +342,6 @@ vm_page_io_start(vm_page_t m)
 {
 
 	VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED);
-	mtx_assert(&vm_page_queue_mtx, MA_OWNED);
 	m->busy++;
 }