diff --git a/deluge/tests/test_alertmanager.py b/deluge/tests/test_alertmanager.py
index bca157c1d..0f740394a 100644
--- a/deluge/tests/test_alertmanager.py
+++ b/deluge/tests/test_alertmanager.py
@@ -17,6 +17,7 @@ class AlertManagerTestCase(BaseTestCase):
 
     def set_up(self):
         self.core = Core()
+        self.core.config.config['lsd'] = False
         self.am = component.get('AlertManager')
         return component.start(['AlertManager'])
 
diff --git a/deluge/tests/test_core.py b/deluge/tests/test_core.py
index 910ff2ed5..abf437a80 100644
--- a/deluge/tests/test_core.py
+++ b/deluge/tests/test_core.py
@@ -85,6 +85,7 @@ class CoreTestCase(BaseTestCase):
         common.set_tmp_config_dir()
         self.rpcserver = RPCServer(listen=False)
         self.core = Core()
+        self.core.config.config['lsd'] = False
         self.listen_port = 51242
         return component.start().addCallback(self.start_web_server)
 
diff --git a/deluge/tests/test_torrent.py b/deluge/tests/test_torrent.py
index 328cd9a39..ceb1d35e0 100644
--- a/deluge/tests/test_torrent.py
+++ b/deluge/tests/test_torrent.py
@@ -39,6 +39,7 @@ class TorrentTestCase(BaseTestCase):
         self.setup_config()
         self.rpcserver = RPCServer(listen=False)
         self.core = Core()
+        self.core.config.config['lsd'] = False
         self.session = lt.session()
         self.torrent = None
         return component.start()
diff --git a/deluge/tests/test_torrentmanager.py b/deluge/tests/test_torrentmanager.py
index ea3b83f86..55ea66b32 100644
--- a/deluge/tests/test_torrentmanager.py
+++ b/deluge/tests/test_torrentmanager.py
@@ -31,6 +31,7 @@ class TorrentmanagerTestCase(BaseTestCase):
         common.set_tmp_config_dir()
         self.rpcserver = RPCServer(listen=False)
         self.core = Core()
+        self.core.config.config['lsd'] = False
         return component.start()
 
     def tear_down(self):