diff --git a/mitmproxy/addons/onboardingapp/app.py b/mitmproxy/addons/onboardingapp/app.py
index 50b52214a..d418952c7 100644
--- a/mitmproxy/addons/onboardingapp/app.py
+++ b/mitmproxy/addons/onboardingapp/app.py
@@ -6,7 +6,6 @@ import tornado.wsgi
 
 from mitmproxy.utils import data
 from mitmproxy.proxy import config
-from mitmproxy.addons import wsgiapp
 
 loader = tornado.template.Loader(data.pkg_data.path("addons/onboardingapp/templates"))
 
@@ -92,18 +91,3 @@ application = tornado.web.Application(
     ],
     # debug=True
 )
-
-
-class Onboarding(wsgiapp.WSGIApp):
-    def __init__(self):
-        super().__init__(Adapter(application), None, None)
-        self.enabled = False
-
-    def configure(self, options, updated):
-        self.host = options.app_host
-        self.port = options.app_port
-        self.enabled = options.app
-
-    def request(self, f):
-        if self.enabled:
-            super().request(f)
diff --git a/test/mitmproxy/addons/test_intercept.py b/test/mitmproxy/addons/test_intercept.py
index 5178cb972..a347f9abd 100644
--- a/test/mitmproxy/addons/test_intercept.py
+++ b/test/mitmproxy/addons/test_intercept.py
@@ -40,4 +40,4 @@ def test_simple():
         f = tflow.tflow(resp=True)
         f.reply._state = "handled"
         r.response(f)
-        assert f.intercepted
\ No newline at end of file
+        assert f.intercepted