diff --git a/xCAT-server/lib/xcat/plugins/lsslp.pm b/xCAT-server/lib/xcat/plugins/lsslp.pm
index fad875bc3..51f8ef799 100644
--- a/xCAT-server/lib/xcat/plugins/lsslp.pm
+++ b/xCAT-server/lib/xcat/plugins/lsslp.pm
@@ -39,8 +39,8 @@ use constant {
     SERVICE_CMM      => "chassis-management-module",
     SERVICE_RSA      => "remote-supervisor-adapter",
     SERVICE_RSA2     => "remote-supervisor-adapter-2",
-    SLP_CONF         => "/usr/local/etc/slp.conf",
-    SLPTOOL          => "/usr/local/bin/slptool",
+    #SLP_CONF         => "/usr/local/etc/slp.conf",
+    #SLPTOOL          => "/usr/local/bin/slptool",
     TYPE_MM          => "mm",
     TYPE_CMM         => "cmm",
     TYPE_RSA         => "rsa",
diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index 0176ec0f2..15ce86e40 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -27,9 +27,7 @@ Requires: xCAT-server xCAT-client perl-DBD-SQLite
 Requires: httpd nfs-utils nmap bind perl-XML-Parser perl(CGI)
 # On RHEL this pulls in dhcp, on SLES it pulls in dhcp-server
 Requires: /usr/sbin/dhcpd
-%ifarch s390x
-# No additional requires for zLinux right now
-%else
+%ifnarch s390x
 Requires: /etc/xinetd.d/tftp
 # yaboot-xcat is pulled in so any MN can manage ppc nodes
 Requires: conserver-xcat yaboot-xcat perl-Net-Telnet fping
@@ -37,9 +35,6 @@ Requires: conserver-xcat yaboot-xcat perl-Net-Telnet fping
 %ifarch ppc64
 Requires: perl-IO-Stty
 %endif
-%ifarch ppc64 x86_64
-Requires: openslp-xcat
-%endif
 %endif
 
 %ifarch i386 i586 i686 x86 x86_64