diff --git a/autotests/testHotspot/anqp_delay_test.py b/autotests/testHotspot/anqp_delay_test.py
index 04e5a1d7..22a5bdbe 100644
--- a/autotests/testHotspot/anqp_delay_test.py
+++ b/autotests/testHotspot/anqp_delay_test.py
@@ -17,19 +17,9 @@ from time import sleep
 class Test(unittest.TestCase):
 
     def test_connection_success(self):
-        hwsim = Hwsim()
-
-        bss_radio = hwsim.get_radio('rad0')
-        rule0 = hwsim.rules.create()
-        rule0.source = bss_radio.addresses[0]
-        rule0.bidirectional = True
-
-        wd = IWD(True)
-
-        hapd = HostapdCLI(config='ssidHotspot.conf')
-
-        psk_agent = PSKAgent('abc', ('domain\\user', 'testpasswd'))
-        wd.register_psk_agent(psk_agent)
+        wd = self.wd
+        hapd = self.hapd
+        rule0 = self.rule0
 
         devices = wd.list_devices(1)
         device = devices[0]
@@ -82,17 +72,35 @@ class Test(unittest.TestCase):
         condition = 'not obj.connected'
         wd.wait_for_object_condition(ordered_network.network_object, condition)
 
-        wd.unregister_psk_agent(psk_agent)
-
     @classmethod
     def setUpClass(cls):
+        cls.hwsim = Hwsim()
+
+        bss_radio = cls.hwsim.get_radio('rad0')
+        cls.rule0 = cls.hwsim.rules.create()
+        cls.rule0.source = bss_radio.addresses[0]
+        cls.rule0.bidirectional = True
+
+        cls.hapd = HostapdCLI(config='ssidHotspot.conf')
+
         IWD.copy_to_hotspot('example.conf')
         IWD.copy_to_storage('anqp_enabled.conf', storage_dir=IWD_CONFIG_DIR, name='main.conf')
 
+        cls.wd = IWD(True)
+        cls.psk_agent = PSKAgent('abc', ('domain\\user', 'testpasswd'))
+        cls.wd.register_psk_agent(cls.psk_agent)
+
     @classmethod
     def tearDownClass(cls):
         IWD.clear_storage()
+
+        cls.wd.unregister_psk_agent(cls.psk_agent)
+        cls.psk_agent = None
         os.remove('/tmp/main.conf')
 
+        cls.hwsim.rules.remove_all()
+        cls.hwsim = None
+        cls.wd = None
+
 if __name__ == '__main__':
     unittest.main(exit=True)
diff --git a/autotests/testHotspot/autoconnect_test.py b/autotests/testHotspot/autoconnect_test.py
index 777a0670..8b718dc7 100644
--- a/autotests/testHotspot/autoconnect_test.py
+++ b/autotests/testHotspot/autoconnect_test.py
@@ -14,7 +14,7 @@ import testutil
 class Test(unittest.TestCase):
 
     def test_connection_success(self):
-        wd = IWD(True, '/tmp')
+        wd = self.wd
 
         hapd_hotspot = HostapdCLI(config='ssidHotspot.conf')
         hapd_wpa = HostapdCLI(config='ssidWPA2-1.conf')
@@ -111,10 +111,14 @@ class Test(unittest.TestCase):
         IWD.copy_to_storage('ssidWPA2-1.psk')
         IWD.copy_to_storage('anqp_enabled.conf', storage_dir=IWD_CONFIG_DIR, name='main.conf')
 
+        cls.wd = IWD(True)
+
     @classmethod
     def tearDownClass(cls):
         IWD.clear_storage()
         os.remove('/tmp/main.conf')
 
+        cls.wd = None
+
 if __name__ == '__main__':
     unittest.main(exit=True)
diff --git a/autotests/testHotspot/hessid_test.py b/autotests/testHotspot/hessid_test.py
index 88e750de..4a47e5c7 100644
--- a/autotests/testHotspot/hessid_test.py
+++ b/autotests/testHotspot/hessid_test.py
@@ -15,7 +15,7 @@ import testutil
 class Test(unittest.TestCase):
 
     def test_connection_success(self):
-        wd = IWD(True, '/tmp')
+        wd = self.wd
 
         hapd = HostapdCLI(config='ssidHotspot.conf')
 
@@ -52,10 +52,14 @@ class Test(unittest.TestCase):
         IWD.copy_to_hotspot('hessid.conf')
         IWD.copy_to_storage('anqp_disabled.conf', storage_dir=IWD_CONFIG_DIR, name='main.conf')
 
+        cls.wd = IWD(True)
+
     @classmethod
     def tearDownClass(cls):
         IWD.clear_storage()
         os.remove('/tmp/main.conf')
 
+        cls.wd = None
+
 if __name__ == '__main__':
     unittest.main(exit=True)
diff --git a/autotests/testHotspot/hotspot_test.py b/autotests/testHotspot/hotspot_test.py
index f49477dc..054a1a8f 100644
--- a/autotests/testHotspot/hotspot_test.py
+++ b/autotests/testHotspot/hotspot_test.py
@@ -15,7 +15,7 @@ import testutil
 class Test(unittest.TestCase):
 
     def test_connection_success(self):
-        wd = IWD(True, '/tmp')
+        wd = self.wd
 
         hapd = HostapdCLI(config='ssidHotspot.conf')
 
@@ -52,10 +52,14 @@ class Test(unittest.TestCase):
         IWD.copy_to_hotspot('example.conf')
         IWD.copy_to_storage('anqp_enabled.conf', storage_dir=IWD_CONFIG_DIR, name='main.conf')
 
+        cls.wd = IWD(True)
+
     @classmethod
     def tearDownClass(cls):
         IWD.clear_storage()
         os.remove('/tmp/main.conf')
 
+        cls.wd = None
+
 if __name__ == '__main__':
     unittest.main(exit=True)
diff --git a/autotests/testHotspot/roaming_test.py b/autotests/testHotspot/roaming_test.py
index 6cdd6922..1d785700 100644
--- a/autotests/testHotspot/roaming_test.py
+++ b/autotests/testHotspot/roaming_test.py
@@ -15,13 +15,10 @@ import testutil
 class Test(unittest.TestCase):
 
     def test_connection_success(self):
-        wd = IWD(True, '/tmp')
+        wd = self.wd
 
         hapd = HostapdCLI(config='ssidHotspot.conf')
 
-        psk_agent = PSKAgent('abc', ('domain\\user', 'testpasswd'))
-        wd.register_psk_agent(psk_agent)
-
         devices = wd.list_devices(1)
         device = devices[0]
 
@@ -45,17 +42,22 @@ class Test(unittest.TestCase):
         condition = 'not obj.connected'
         wd.wait_for_object_condition(ordered_network.network_object, condition)
 
-        wd.unregister_psk_agent(psk_agent)
-
     @classmethod
     def setUpClass(cls):
         IWD.copy_to_hotspot('roaming.conf')
         IWD.copy_to_storage('anqp_disabled.conf', storage_dir=IWD_CONFIG_DIR, name='main.conf')
 
+        cls.wd = IWD(True)
+        cls.psk_agent = PSKAgent('abc', ('domain\\user', 'testpasswd'))
+        cls.wd.register_psk_agent(cls.psk_agent)
+
     @classmethod
     def tearDownClass(cls):
         IWD.clear_storage()
         os.remove('/tmp/main.conf')
 
+        cls.wd.unregister_psk_agent(cls.psk_agent)
+        cls.wd = None
+
 if __name__ == '__main__':
     unittest.main(exit=True)