diff --git a/ansible/install_config/group_vars/rpm_version.yml b/ansible/install_config/group_vars/rpm_version.yml
index 8f15fcc2..f6f74140 100644
--- a/ansible/install_config/group_vars/rpm_version.yml
+++ b/ansible/install_config/group_vars/rpm_version.yml
@@ -102,7 +102,7 @@ hasp_tools_rpm_version:
 tsg_os_clixon_rpm_version:
   cligen: cligen-5.8.0-release
   clixon: clixon-5.8.0-release
-  tsg-os-mgnt-srv: tsg-os-mgnt-srv-1.0.53.a2abfb4
+  tsg-os-mgnt-srv: tsg-os-mgnt-srv-1.0.55.22e971c
 
 sce_rpm_version:
   sce: sce-1.0.13.23d05e7
diff --git a/ansible/roles/tsg-os-HAL/files/conf/tsg-os-HAL.conf b/ansible/roles/tsg-os-HAL/files/conf/tsg-os-HAL.conf
index d93d37ce..2e5ff8be 100644
--- a/ansible/roles/tsg-os-HAL/files/conf/tsg-os-HAL.conf
+++ b/ansible/roles/tsg-os-HAL/files/conf/tsg-os-HAL.conf
@@ -7,5 +7,3 @@
 
 # MRZCPD_DIRECT_PKTMBUF=
 # MRZCPD_INDIRECT_PKTMBUF=
-
-# GRUB_CMDLINE=
\ No newline at end of file
diff --git a/ansible/roles/tsg-os-HAL/files/script/tsg-os-HAL.sh b/ansible/roles/tsg-os-HAL/files/script/tsg-os-HAL.sh
index 9c835a33..0cd99b8c 100644
--- a/ansible/roles/tsg-os-HAL/files/script/tsg-os-HAL.sh
+++ b/ansible/roles/tsg-os-HAL/files/script/tsg-os-HAL.sh
@@ -14,7 +14,6 @@ cpu_core_num=$(lscpu | grep "CPU(s):" | head -n 1 | sed  -r 's/CPU\(s\):\s{1,}//
 mem_num=$(free -m | grep Mem | awk '{print $2}')
 
 HUGEPAGES=
-GRUB_CMDLINE=
 NUMA_NODE_CNT=
 MRZCPD_IOCORE=
 CLIXON_IOCORE=