diff --git a/qutebrowser/browser/webengine/webenginetab.py b/qutebrowser/browser/webengine/webenginetab.py
index c451305f0..1eba686c9 100644
--- a/qutebrowser/browser/webengine/webenginetab.py
+++ b/qutebrowser/browser/webengine/webenginetab.py
@@ -1080,10 +1080,8 @@ class WebEngineTab(browsertab.AbstractTab):
             'content.plugins',
             'content.javascript.enabled',
             'content.javascript.can_access_clipboard',
-            'content.javascript.can_access_clipboard',
             'content.print_element_backgrounds',
             'input.spatial_navigation',
-            'input.spatial_navigation',
         }
         assert settings_needing_reload.issubset(configdata.DATA)