diff --git a/xCAT/debian/control b/xCAT/debian/control
index 997910a96..29b2c2c1c 100644
--- a/xCAT/debian/control
+++ b/xCAT/debian/control
@@ -7,6 +7,6 @@ Standards-Version: 3.7.2
 
 Package: xcat
 Architecture: amd64 ppc64el
-Depends: ${perl:Depends}, xcat-server, xcat-client, libdbd-sqlite3-perl, isc-dhcp-server, apache2, nfs-kernel-server, nmap, bind9, libxml-parser-perl, xinetd, tftpd-hpa, tftp-hpa, conserver-xcat, libnet-telnet-perl, ipmitool-xcat (>=1.8.15-2), syslinux[any-amd64], libsys-virt-perl, syslinux-xcat[any-amd64], xnba-undi, xcat-genesis-scripts-ppc64, xcat-genesis-scripts-amd64, elilo-xcat, xcat-buildkit, xcat-probe (>=2.12)
+Depends: ${perl:Depends}, xcat-server, xcat-client, libdbd-sqlite3-perl, isc-dhcp-server, apache2, nfs-kernel-server, nmap, bind9, libxml-parser-perl, xinetd, tftpd-hpa, tftp-hpa, conserver-xcat, libnet-telnet-perl, ipmitool-xcat (>=1.8.15-2), syslinux[any-amd64], libsys-virt-perl, syslinux-xcat, xnba-undi, xcat-genesis-scripts-ppc64, xcat-genesis-scripts-amd64, elilo-xcat, xcat-buildkit, xcat-probe (>=2.12)
 Description: Server and configuration utilities of the xCAT management project
  xcat-server provides the core server and configuration management components of xCAT.  This package should be installed on your management server
diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index 8557d2c8c..57247a257 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -59,11 +59,14 @@ Requires: conserver-xcat
 %endif
 %endif
 
+#support mixed cluster
+Requires: elilo-xcat xnba-undi
+
 %ifarch i386 i586 i686 x86 x86_64
-Requires: syslinux elilo-xcat
+Requires: syslinux
 Requires: ipmitool-xcat >= 1.8.15-2
-Requires: xnba-undi
 %endif
+
 %ifos linux
 %ifarch ppc ppc64 ppc64le
 Requires: ipmitool-xcat >= 1.8.15-2
@@ -71,11 +74,9 @@ Requires: ipmitool-xcat >= 1.8.15-2
 %endif
 
 %if %notpcm
-%ifarch i386 i586 i686 x86 x86_64
 # PCM does not need or ship syslinux-xcat
 Requires: syslinux-xcat
 %endif
-%endif
 
 %description
 xCAT is a server management package intended for at-scale management, including
diff --git a/xCATsn/xCATsn.spec b/xCATsn/xCATsn.spec
index f18eda6d0..833a84def 100644
--- a/xCATsn/xCATsn.spec
+++ b/xCATsn/xCATsn.spec
@@ -54,10 +54,12 @@ Requires: conserver-xcat
 %endif
 %endif
 
+#support mixed cluster
+Requires: elilo-xcat xnba-undi
+
 %ifarch i386 i586 i686 x86 x86_64
-Requires: syslinux elilo-xcat
+Requires: syslinux
 Requires: ipmitool-xcat >= 1.8.15-2
-Requires: xnba-undi
 %endif
 %ifos linux
 %ifarch ppc ppc64 ppc64le
@@ -66,11 +68,9 @@ Requires: ipmitool-xcat >= 1.8.15-2
 %endif
 
 %if %notpcm
-%ifarch i386 i586 i686 x86 x86_64
 # PCM does not need or ship syslinux-xcat
 Requires: syslinux-xcat
 %endif
-%endif
 
 %description
 xCATsn is a service node management package intended for at-scale management,