diff --git a/tests/hwsim/test_ap_tdls.py b/tests/hwsim/test_ap_tdls.py
index de2f02ac1..05c4ca3e4 100644
--- a/tests/hwsim/test_ap_tdls.py
+++ b/tests/hwsim/test_ap_tdls.py
@@ -16,7 +16,6 @@ from hostapd import Hostapd
 import hostapd
 from utils import *
 from wlantest import Wlantest
-from test_ap_vht import vht_supported
 
 def start_ap_wpa2_psk(ap):
     params = hostapd.wpa2_params(ssid="test-wpa2-psk", passphrase="12345678")
diff --git a/tests/hwsim/test_ap_vht.py b/tests/hwsim/test_ap_vht.py
index c7851d557..338e8c806 100644
--- a/tests/hwsim/test_ap_vht.py
+++ b/tests/hwsim/test_ap_vht.py
@@ -18,13 +18,6 @@ from test_dfs import wait_dfs_event
 from test_ap_csa import csa_supported
 from test_ap_ht import clear_scan_cache
 
-def vht_supported():
-    cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
-    reg = cmd.stdout.read()
-    if "@ 80)" in reg or "@ 160)" in reg:
-        return True
-    return False
-
 def test_ap_vht80(dev, apdev):
     """VHT with 80 MHz channel width"""
     try:
diff --git a/tests/hwsim/test_rrm.py b/tests/hwsim/test_rrm.py
index dde98932b..425edb20e 100644
--- a/tests/hwsim/test_rrm.py
+++ b/tests/hwsim/test_rrm.py
@@ -16,11 +16,9 @@ import time
 
 import hostapd
 from wpasupplicant import WpaSupplicant
-from utils import HwsimSkip, alloc_fail, fail_test, wait_fail_trigger
-from utils import disable_hapd, clear_regdom_dev, clear_regdom
+from utils import *
 from test_ap_ht import clear_scan_cache
 from remotehost import remote_compatible
-from test_ap_vht import vht_supported
 
 def check_rrm_support(dev):
     rrm = int(dev.get_driver_status_field("capa.rrm_flags"), 16)
diff --git a/tests/hwsim/utils.py b/tests/hwsim/utils.py
index 7f50ab25e..57b570c2e 100644
--- a/tests/hwsim/utils.py
+++ b/tests/hwsim/utils.py
@@ -112,6 +112,13 @@ def check_sae_capab(dev):
     if "SAE" not in dev.get_capability("auth_alg"):
         raise HwsimSkip("SAE not supported")
 
+def vht_supported():
+    cmd = subprocess.Popen(["iw", "reg", "get"], stdout=subprocess.PIPE)
+    reg = cmd.stdout.read()
+    if "@ 80)" in reg or "@ 160)" in reg:
+        return True
+    return False
+
 def get_phy(ap, ifname=None):
     phy = "phy3"
     try: