diff --git a/radicale/app/base.py b/radicale/app/base.py
index a9c9b3b5..9c6545d2 100644
--- a/radicale/app/base.py
+++ b/radicale/app/base.py
@@ -17,7 +17,6 @@
 
 import io
 import logging
-import posixpath
 import sys
 import xml.etree.ElementTree as ET
 from typing import Optional, Union
diff --git a/radicale/app/mkcalendar.py b/radicale/app/mkcalendar.py
index fcb98d14..bf6da1c8 100644
--- a/radicale/app/mkcalendar.py
+++ b/radicale/app/mkcalendar.py
@@ -19,7 +19,6 @@
 # along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
 
 import errno
-import posixpath
 import re
 import socket
 from http import client
diff --git a/radicale/app/mkcol.py b/radicale/app/mkcol.py
index 9a4d1efa..8d3b1755 100644
--- a/radicale/app/mkcol.py
+++ b/radicale/app/mkcol.py
@@ -19,7 +19,6 @@
 # along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
 
 import errno
-import posixpath
 import re
 import socket
 from http import client