diff --git a/xCAT-server/xCAT-server.spec b/xCAT-server/xCAT-server.spec
index 5f985e516..1ff537109 100644
--- a/xCAT-server/xCAT-server.spec
+++ b/xCAT-server/xCAT-server.spec
@@ -20,7 +20,7 @@ AutoReqProv: no
 # also need to fix Requires for AIX
 %ifos linux
 BuildArch: noarch
-Requires: perl-IO-Socket-SSL perl-XML-Simple perl-IO-Tty perl-Crypt-SSLeay mod_ssl make
+Requires: perl-IO-Socket-SSL perl-XML-Simple perl-IO-Tty perl-Crypt-SSLeay make
 %endif
 
 Requires: perl-xCAT >= %{epoch}:%(cat Version|cut -d. -f 1,2)