diff --git a/xCAT-server/lib/xcat/plugins/blade.pm b/xCAT-server/lib/xcat/plugins/blade.pm
index 92b6d1970..28dfe6507 100644
--- a/xCAT-server/lib/xcat/plugins/blade.pm
+++ b/xCAT-server/lib/xcat/plugins/blade.pm
@@ -23,9 +23,7 @@ my %mm_comm_pids;
 #a 'browser' for http actions
 my $browser;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
- $XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use POSIX "WNOHANG";
 use Storable qw(freeze thaw);
diff --git a/xCAT-server/lib/xcat/plugins/lsslp.pm b/xCAT-server/lib/xcat/plugins/lsslp.pm
index 1a8f593bb..bd93e241c 100644
--- a/xCAT-server/lib/xcat/plugins/lsslp.pm
+++ b/xCAT-server/lib/xcat/plugins/lsslp.pm
@@ -9,9 +9,7 @@ use Storable qw(freeze thaw);
 use Time::HiRes qw(gettimeofday);
 use IO::Select;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
- $XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use xCAT::PPCdb;
 
 require xCAT::MacMap;