diff --git a/tests/unit/test_webapp.py b/tests/unit/test_webapp.py
index 558cc6bb3..1203b43f0 100644
--- a/tests/unit/test_webapp.py
+++ b/tests/unit/test_webapp.py
@@ -7,7 +7,6 @@ from searx.results import Timing
 
 import searx.search.processors
 from searx.search import Search
-from searx.preferences import Preferences
 from tests import SearxTestCase
 
 
@@ -78,15 +77,6 @@ class ViewsTestCase(SearxTestCase):
 
         self.setattr4test(Search, 'search', search_mock)
 
-        original_preferences_get_value = Preferences.get_value
-
-        def preferences_get_value(preferences_self, user_setting_name: str):
-            if user_setting_name == 'theme':
-                return 'simple'
-            return original_preferences_get_value(preferences_self, user_setting_name)
-
-        self.setattr4test(Preferences, 'get_value', preferences_get_value)
-
         self.maxDiff = None  # to see full diffs
 
     def test_index_empty(self):