diff --git a/sbin/linuxmuster-import-subnets b/sbin/linuxmuster-import-subnets
index d37c950..f82ffcc 100755
--- a/sbin/linuxmuster-import-subnets
+++ b/sbin/linuxmuster-import-subnets
@@ -2,7 +2,7 @@
 #
 # linuxmuster-import-subnets
 # thomas@linuxmuster.net
-# 20211219
+# 20230725
 #
 
 import ast
@@ -84,43 +84,6 @@ nat_rule_xml = nat_rule_xml.replace(
 
 
 # functions begin
-# update static routes in netplan configuration
-def updateNetplan(subnets):
-    printScript('Processing netplan configuration:')
-    cfgfile = constants.NETCFG
-    # read netplan config file
-    with open(cfgfile) as config:
-        netcfg = yaml.safe_load(config)
-    iface = str(netcfg['network']['ethernets']).split('\'')[1]
-    ifcfg = netcfg['network']['ethernets'][iface]
-    # first delete the old routes if there are any
-    try:
-        del ifcfg['routes']
-        changed = True
-        printScript('* Removed old routes.')
-    except:
-        changed = False
-    # only if there are subnets beside server network
-    if len(subnets) > 0:
-        changed = True
-        ifcfg['routes'] = []
-        for item in subnets:
-            subnet = item.split(':')[0]
-            # tricky: concenate dict object for yaml using eval
-            subroute = eval('{"to": ' + '\'' + subnet + '\''
-                            + ', "via": ' + '\'' + servernet_router + '\'' + '}')
-            ifcfg['routes'].append(subroute)
-        printScript('* Added new routes for all subnets.')
-    # save netcfg
-    if changed:
-        with open(cfgfile, 'w') as config:
-            config.write(yaml.dump(netcfg, default_flow_style=False))
-        os.system('netplan apply')
-        printScript('* Applied new configuration.')
-    # send changed configuration back and apply it
-    return changed
-
-
 # update vlan gateway on firewall
 def updateFwGw(servernet_router, content):
     soup = BeautifulSoup(content, 'lxml')
@@ -360,9 +323,6 @@ else:
 
 os.system('systemctl restart isc-dhcp-server.service')
 
-# update netplan config with new routes for server (localhost)
-changed = updateNetplan(subnets)
-
 # update firewall
 if not skipfw:
     changed = updateFw(subnets, firewallip, ipnet_setup,