diff --git a/temba/flows/__init__.py b/temba/flows/__init__.py
index 09c4bf668e..e69de29bb2 100644
--- a/temba/flows/__init__.py
+++ b/temba/flows/__init__.py
@@ -1 +0,0 @@
-from .checks import *  # noqa
diff --git a/temba/flows/checks.py b/temba/flows/checks.py
deleted file mode 100644
index 85e0a6169b..0000000000
--- a/temba/flows/checks.py
+++ /dev/null
@@ -1,14 +0,0 @@
-from django.conf import settings
-from django.core.checks import Warning, register
-
-
-@register()
-def mailroom_url(app_configs, **kwargs):
-    if not settings.MAILROOM_URL:
-        return [
-            Warning(
-                "No mailroom URL set, simulation will not be available",
-                hint="Set MAILROOM_URL in your Django settings.",
-            )
-        ]
-    return []
diff --git a/temba/flows/tests/test_misc.py b/temba/flows/tests/test_misc.py
index ebccab1432..6e227d2b5e 100644
--- a/temba/flows/tests/test_misc.py
+++ b/temba/flows/tests/test_misc.py
@@ -1,6 +1,3 @@
-from django.test.utils import override_settings
-
-from temba.flows.checks import mailroom_url
 from temba.tests import TembaTest
 
 
@@ -11,12 +8,3 @@ def test_languages(self):
         self.assertEqual(
             response.json(), {"results": [{"iso": "eng", "name": "English"}, {"iso": "kin", "name": "Kinyarwanda"}]}
         )
-
-
-class SystemChecksTest(TembaTest):
-    def test_mailroom_url(self):
-        with override_settings(MAILROOM_URL="http://mailroom.io"):
-            self.assertEqual(len(mailroom_url(None)), 0)
-
-        with override_settings(MAILROOM_URL=None):
-            self.assertEqual(mailroom_url(None)[0].msg, "No mailroom URL set, simulation will not be available")