diff --git a/bind.spec b/bind.spec
index 237c90bab7d10adc8371538244546b5e27fbefc7..304692651f03ee68e2f7da6940ceb15565f77041 100644
--- a/bind.spec
+++ b/bind.spec
@@ -4,7 +4,7 @@
 %bcond_with     DLZ
 %bcond_with     SYSTEMTEST
 %bcond_without  UNITTEST
-%bcond_without  SDB
+%bcond_with     SDB
 %bcond_without  GSSTSIG
 %bcond_without  PKCS11
 %bcond_without  EXPORT_LIBS
@@ -21,7 +21,7 @@ Name:           bind
 Summary:        Domain Name System (DNS) Server (named)
 License:        MPLv2.0
 Version:        9.11.21
-Release:        6
+Release:        7
 Epoch:          32
 Url:            http://www.isc.org/products/BIND/
 Source0:        https://ftp.isc.org/isc/bind9/9.11.21/bind-%{version}.tar.gz
@@ -63,10 +63,10 @@ Source35:       named.root.key
 
 BuildRequires:  openssl-devel libtool autoconf pkgconfig libcap-devel python3-devel python3-ply docbook-style-xsl
 BuildRequires:  libidn2-devel libxml2-devel make systemd selinux-policy findutils sed libxslt gdb
-BuildRequires:  bind-libs  bind-libs-lite bind-export-libs bind-pkcs11
+BuildRequires:  chrpath
 
 %if %{with SDB}
-BuildRequires:  openldap-devel libpq-devel sqlite-devel mariadb-connector-c-devel libdb-devel
+BuildRequires:  openldap-devel libpq-devel sqlite-devel mariadb-connector-c-devel
 %endif
 
 %if %{with UNITTEST}
@@ -474,7 +474,7 @@ export LIBDIR_SUFFIXi=
 %endif
 %if %{with SDB}
     --with-dlopen=yes --with-dlz-ldap=yes --with-dlz-postgres=yes \
-    --with-dlz-mysql=yes --with-dlz-filesystem=yes --with-dlz-bdb=yes \
+    --with-dlz-mysql=yes --with-dlz-filesystem=yes \
 %endif
 %if %{with GSSTSIG}
     --with-gssapi=yes --disable-isc-spnego \
@@ -509,7 +509,7 @@ export LIBDIR_SUFFIXi=
   popd
 %endif
 
-make -j32
+%make_build
 
 cp -rv doc/* ../doc/
 pushd bin/dig
@@ -560,7 +560,8 @@ for lib in isc dns isccfg irs; do
     -i isc-export-config.sh
 done
 
-make -j32
+%make_build
+
 popd
 
 %unit_prepare_build export-libs
@@ -754,10 +755,7 @@ mkdir -p                   ${RPM_BUILD_ROOT}%{_sysconfdir}/rwtab.d
 install -m 644 %{SOURCE14} ${RPM_BUILD_ROOT}%{_tmpfilesdir}/named.conf
 install -m 644 %{SOURCE22} ${RPM_BUILD_ROOT}%{_sysconfdir}/rwtab.d/named
 
-cp -a %{_libdir}/%{_export_dir}/lib{dns,irs,isc,isccfg}-export.so.* %{buildroot}%{_libdir}/%{_export_dir}
-cp -a %{_libdir}/lib{dns,isc}-pkcs11.so.* %{buildroot}%{_libdir}
-cp -a %{_libdir}/lib{bind9,isccc,lwres,irs,isccfg}.so.160* %{buildroot}%{_libdir}
-cp -a %{_libdir}/lib{dns.so.1102*,isc.so.169*} %{buildroot}%{_libdir}
+chrpath -d %{buildroot}/%{_libdir}/bind9-export/*.so*
 
 %pre
 if [ "$1" -eq 1 ]; then
@@ -948,20 +946,11 @@ rm -rf ${RPM_BUILD_ROOT}
 %dir /run/named
 
 %files libs
-%{_libdir}/libbind9.so.160*
-%{_libdir}/libisccc.so.160*
-%{_libdir}/liblwres.so.160*
-
 %{_libdir}/libbind9.so.161*
 %{_libdir}/libisccc.so.161*
 %{_libdir}/liblwres.so.161*
 
 %files libs-lite
-%{_libdir}/libdns.so.1102*
-%{_libdir}/libirs.so.160*
-%{_libdir}/libisc.so.169*
-%{_libdir}/libisccfg.so.160*
-
 %{_libdir}/libdns.so.1110*
 %{_libdir}/libirs.so.161*
 %{_libdir}/libisc.so.1105*
@@ -1032,9 +1021,6 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_mandir}/man1/ldap2zone.1*
 %{_mandir}/man1/zonetodb.1*
 %{_mandir}/man1/zone2sqlite.1*
-%{_mandir}/man1/isc-config.sh.1*
-%{_mandir}/man1/bind9-config.1*
-%{_mandir}/man3/lwres*
 %{_mandir}/man8/named-sdb.8*
 
 %endif #end SDB
@@ -1062,6 +1048,9 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_includedir}/bind9/isccfg
 %{_bindir}/isc-config.sh
 %{_bindir}/bind9-config
+%{_mandir}/man1/isc-config.sh.1*
+%{_mandir}/man1/bind9-config.1*
+%{_mandir}/man3/lwres*
 
 %files chroot
 %config(noreplace) %{_sysconfdir}/named-chroot.files
@@ -1148,8 +1137,6 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_unitdir}/named-pkcs11.service
 %{_libexecdir}/setup-named-softhsm.sh
 %{_mandir}/man8/*pkcs11*.8*
-%{_libdir}/libdns-pkcs11.so.1102*
-%{_libdir}/libisc-pkcs11.so.169*
 
 %files pkcs11-devel
 %{_libdir}/lib*-pkcs11.so
@@ -1168,11 +1155,6 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_libdir}/%{_export_dir}/libisc-export.so.1105*
 %{_libdir}/%{_export_dir}/libisccfg-export.so.163*
 
-%{_libdir}/%{_export_dir}/libdns-export.so.1102*
-%{_libdir}/%{_export_dir}/libirs-export.so.160*
-%{_libdir}/%{_export_dir}/libisc-export.so.169*
-%{_libdir}/%{_export_dir}/libisccfg-export.so.160*
-
 %config(noreplace) %{_sysconfdir}/ld.so.conf.d/%{name}-export-%{_arch}.conf
 
 %files export-devel
@@ -1192,6 +1174,12 @@ rm -rf ${RPM_BUILD_ROOT}
 
 
 %changelog
+* Wed May 26 2021 jiangheng <jiangheng12@huawei.com> - 9.11.21-7
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:remove unnecessary dependencies
+
 * Wed May 26 2021 jiangheng <jiangheng12@huawei.com> - 9.11.21-6
 - Type:CVE
 - ID:NA