diff --git a/tests/iface_namingmode/test_iface_namingmode.py b/tests/iface_namingmode/test_iface_namingmode.py
index 94e070d8c15..1d0c571549c 100644
--- a/tests/iface_namingmode/test_iface_namingmode.py
+++ b/tests/iface_namingmode/test_iface_namingmode.py
@@ -4,7 +4,7 @@
 import ipaddress
 
 from tests.common.devices.base import AnsibleHostBase
-from tests.common.utilities import wait, wait_until, delete_running_config
+from tests.common.utilities import wait, wait_until
 from netaddr import IPAddress
 from tests.common.helpers.assertions import pytest_assert
 from tests.common.helpers.sonic_db import redis_get_keys
@@ -820,13 +820,6 @@ def test_config_interface_speed(self, setup_config_mode, sample_intf,
 
         assert speed == configure_speed
 
-        # Remove interface pg config
-        pg_lossless_key = "pg_lossless_" + str(speed) + "_300m_profile"
-        delete_keys_json = [{"BUFFER_PROFILE": {
-            pg_lossless_key: {}
-        }}]
-        delete_running_config(delete_keys_json, duthost)
-
         out = dutHostGuest.shell('SONIC_CLI_IFACE_MODE={} sudo config interface {}  speed {} {}'.format(
             ifmode, cli_ns_option, test_intf, native_speed))
         if out['rc'] != 0: