diff --git a/pyanaconda/modules/network/nm_client.py b/pyanaconda/modules/network/nm_client.py
index 94a1f6ef3722..b3cc35a24710 100644
--- a/pyanaconda/modules/network/nm_client.py
+++ b/pyanaconda/modules/network/nm_client.py
@@ -35,6 +35,7 @@
 from pyanaconda.modules.network.utils import get_s390_settings, netmask2prefix, prefix2netmask
 from pyanaconda.modules.network.config_file import is_config_file_for_system
 from pyanaconda.core.dbus import SystemBus
+from pyanaconda.core import util
 
 from pyanaconda.anaconda_loggers import get_module_logger
 log = get_module_logger(__name__)
@@ -437,12 +438,6 @@ def _update_wired_connection_with_s390_settings(connection, s390cfg):
     if s390cfg['SUBCHANNELS']:
         subchannels = s390cfg['SUBCHANNELS'].split(",")
         s_wired.props.s390_subchannels = subchannels
-    if s390cfg['NETTYPE']:
-        s_wired.props.s390_nettype = s390cfg['NETTYPE']
-    if s390cfg['OPTIONS']:
-        opts = s390cfg['OPTIONS'].split(" ")
-        opts_dict = {k: v for k, v in (o.split("=") for o in opts)}
-        s_wired.props.s390_options = opts_dict
 
 
 def _create_new_connection(network_data, device_name):
@@ -1376,15 +1371,10 @@ def _get_dracut_znet_argument_from_connection(connection):
     argument = ""
     wired_setting = connection.get_setting_wired()
     if wired_setting and is_s390():
-        nettype = wired_setting.get_s390_nettype()
-        # get_s390_subchannels() returns a list of subchannels
-        subchannels = wired_setting.get_s390_subchannels()
-        if nettype and subchannels:
-            argument = "rd.znet={},{}".format(nettype, ",".join(subchannels))
-            options = wired_setting.get_property(NM.SETTING_WIRED_S390_OPTIONS)
-            if options:
-                options_string = ','.join("{}={}".format(key, val) for key, val in options.items())
-                argument += ",{}".format(options_string)
+        devspec = util.execWithCapture("/lib/s390-tools/zdev-to-rd.znet",
+                                       ["persistent",
+                                        connection.get_interface_name()]).strip()
+        argument = "rd.znet={}".format(devspec)
     return argument
 
 
diff --git a/pyanaconda/modules/network/utils.py b/pyanaconda/modules/network/utils.py
index ec5c361f8370..710446870ec6 100644
--- a/pyanaconda/modules/network/utils.py
+++ b/pyanaconda/modules/network/utils.py
@@ -34,8 +34,6 @@
 def get_s390_settings(devname):
     cfg = {
         'SUBCHANNELS': '',
-        'NETTYPE': '',
-        'OPTIONS': ''
     }
 
     subchannels = []
@@ -45,23 +43,6 @@ def get_s390_settings(devname):
         return cfg
     cfg['SUBCHANNELS'] = ','.join(subchannels)
 
-    # Example of the ccw.conf file content:
-    # qeth,0.0.0900,0.0.0901,0.0.0902,layer2=0,portname=FOOBAR,portno=0
-    #
-    # SUBCHANNELS="0.0.0900,0.0.0901,0.0.0902"
-    # NETTYPE="qeth"
-    # OPTIONS="layer2=1 portname=FOOBAR portno=0"
-    if not os.path.exists('/run/install/ccw.conf'):
-        return cfg
-    with open('/run/install/ccw.conf') as f:
-        # pylint: disable=redefined-outer-name
-        for line in f:
-            if cfg['SUBCHANNELS'] in line:
-                items = line.strip().split(',')
-                cfg['NETTYPE'] = items[0]
-                cfg['OPTIONS'] = " ".join(i for i in items[1:] if '=' in i)
-                break
-
     return cfg