diff --git a/tests/hwsim/test_ap_vht.py b/tests/hwsim/test_ap_vht.py
index 7b5a78dad..fc7af3968 100644
--- a/tests/hwsim/test_ap_vht.py
+++ b/tests/hwsim/test_ap_vht.py
@@ -591,10 +591,7 @@ def test_ap_vht160_no_ht40(dev, apdev):
                 raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
         raise
     finally:
-        if hapd:
-            hapd.request("DISABLE")
-        subprocess.call(['iw', 'reg', 'set', '00'])
-        time.sleep(0.1)
+        clear_regdom(hapd, dev)
 
 def test_ap_vht80plus80(dev, apdev):
     """VHT with 80+80 MHz channel width"""