diff --git a/qemu/tests/cfg/balloon_stress.cfg b/qemu/tests/cfg/balloon_stress.cfg
index 6f4a9c190cb57e3661d51b545f07bed1822297f4..ffa53d260d3659e03049ddd049654b146efc5e5f 100644
--- a/qemu/tests/cfg/balloon_stress.cfg
+++ b/qemu/tests/cfg/balloon_stress.cfg
@@ -27,4 +27,3 @@
     Linux:
         # Use a low stress to make sure guest can response during stress
         stress_args = "--cpu 4 --io 4 --vm 2 --vm-bytes 256M"
-        test_timeout = 1800