diff --git a/neutron-enable-bridge-firewall.sh b/neutron-enable-bridge-firewall.sh
index ae7a141cd3ab85c4bb388a1df843db9924f3a102..54fb89ccad46a8e6d67b96e58d8e8d7cdcda5f9a 100755
--- a/neutron-enable-bridge-firewall.sh
+++ b/neutron-enable-bridge-firewall.sh
@@ -13,7 +13,3 @@
 # an older kernel version)
 /usr/sbin/modprobe br_netfilter 2>> /dev/null || :
 
-# now enable the firewall in case it's disabled (f.e. rhel 7.2 and earlier)
-for proto in ip ip6; do
-    /usr/sbin/sysctl -w net.bridge.bridge-nf-call-${proto}tables=1
-done
diff --git a/openstack-neutron.spec b/openstack-neutron.spec
index 7d608164a8cca8e8a463fe01ae6b98cf947ffc35..a6c3615ae56754835347ebb406b80e579b3af901 100644
--- a/openstack-neutron.spec
+++ b/openstack-neutron.spec
@@ -18,7 +18,7 @@ capabilities (e.g., QoS, ACLs, network monitoring, etc.)
 
 Name:           openstack-%{service}
 Version:        15.3.4
-Release:        3
+Release:        4
 Summary:        OpenStack Networking Service
 
 License:        ASL 2.0
@@ -770,6 +770,8 @@ fi
 %dir %{_sysconfdir}/%{service}/conf.d/%{service}-sriov-nic-agent
 
 %changelog
+* Thu Apr 13 2023 wangxiyuan <wangxiyuan1007@gmail.com> 15.3.4-4
+- Fix install script error
 * Sat Oct 8 2022 binshuozu <binshuo@isrc.iscas.ac.cn> - 15.3.4-3
 - Migrate to openstack-macros to create user & group
 * Tue Nov 23 2021 zhangy1317 <zhangy1317@foxmail.com> - 15.3.4-2