diff --git a/qutebrowser/browser/webengine/webenginesettings.py b/qutebrowser/browser/webengine/webenginesettings.py
index 2abc44068..49de5aa23 100644
--- a/qutebrowser/browser/webengine/webenginesettings.py
+++ b/qutebrowser/browser/webengine/webenginesettings.py
@@ -357,13 +357,14 @@ class ProfileSetter:
 
     def disable_persistent_permissions_policy(self):
         """Disable webengine's permission persistence."""
-        try:
-            # New in WebEngine 6.8.0
-            self._profile.setPersistentPermissionsPolicy(
-                QWebEngineProfile.PersistentPermissionsPolicy.AskEveryTime
-            )
-        except AttributeError:
-            pass
+        if machinery.IS_QT6:  # for mypy
+            try:
+                # New in WebEngine 6.8.0
+                self._profile.setPersistentPermissionsPolicy(
+                    QWebEngineProfile.PersistentPermissionsPolicy.AskEveryTime
+                )
+            except AttributeError:
+                pass
 
 
 def _update_settings(option):
diff --git a/qutebrowser/utils/urlutils.py b/qutebrowser/utils/urlutils.py
index 889bda4a1..ca9f11aab 100644
--- a/qutebrowser/utils/urlutils.py
+++ b/qutebrowser/utils/urlutils.py
@@ -11,12 +11,18 @@ import ipaddress
 import posixpath
 import urllib.parse
 import mimetypes
-from typing import Optional, Union, cast
+from typing import Optional, Union, cast, TYPE_CHECKING
 from collections.abc import Iterable
 
 from qutebrowser.qt import machinery
 from qutebrowser.qt.core import QUrl, QUrlQuery
 from qutebrowser.qt.network import QHostInfo, QHostAddress, QNetworkProxy
+# WORKAROUND for
+# https://www.riverbankcomputing.com/pipermail/pyqt/2024-December/046096.html
+if TYPE_CHECKING and machinery.IS_QT6:
+    from PyQt6.QtCore import QChar
+else:
+    QChar = str
 
 from qutebrowser.api import cmdutils
 from qutebrowser.config import config
@@ -698,9 +704,7 @@ def get_url_yank_text(url: QUrl, *, pretty: bool) -> str:
     url_query = QUrlQuery()
     url_query_str = url.query()
     if '&' not in url_query_str and ';' in url_query_str:
-        # type ignore as WORKAROUND for
-        # https://www.riverbankcomputing.com/pipermail/pyqt/2024-December/046096.html
-        url_query.setQueryDelimiters('=', ';')  # type: ignore[arg-type]
+        url_query.setQueryDelimiters(cast(QChar, '='), cast(QChar, ';'))
     url_query.setQuery(url_query_str)
     for key in dict(url_query.queryItems()):
         if key in config.val.url.yank_ignored_parameters: