diff --git a/xCAT-client/bin/pping b/xCAT-client/bin/pping
index a2cec0d07..e75c43692 100755
--- a/xCAT-client/bin/pping
+++ b/xCAT-client/bin/pping
@@ -12,9 +12,7 @@ use lib "$::XCATROOT/lib/perl";
 
 use IO::Socket::SSL;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
-	$XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use IO::Handle;
 use IO::Select;
diff --git a/xCAT-client/bin/ppping b/xCAT-client/bin/ppping
index 1aaf5d290..1a3d56ea6 100755
--- a/xCAT-client/bin/ppping
+++ b/xCAT-client/bin/ppping
@@ -12,9 +12,7 @@ use lib "$::XCATROOT/lib/perl";
 
 use IO::Socket::SSL;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
-  $XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use IO::Handle;
 use IO::Select;
diff --git a/xCAT-client/bin/prsync b/xCAT-client/bin/prsync
index 931c3dd18..dd5f2c2fb 100755
--- a/xCAT-client/bin/prsync
+++ b/xCAT-client/bin/prsync
@@ -7,9 +7,7 @@ BEGIN
 use lib "$::XCATROOT/lib/perl";
 use IO::Socket::SSL;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
-	$XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use IO::Handle;
 use IO::Select;
diff --git a/xCAT-client/bin/pscp b/xCAT-client/bin/pscp
index 8854e17b5..c572d4c34 100755
--- a/xCAT-client/bin/pscp
+++ b/xCAT-client/bin/pscp
@@ -7,9 +7,7 @@ BEGIN
 use lib "$::XCATROOT/lib/perl";
 use IO::Socket::SSL;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
-	$XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use IO::Handle;
 use IO::Select;
diff --git a/xCAT-client/bin/psh b/xCAT-client/bin/psh
index ff3e903e4..46b533626 100755
--- a/xCAT-client/bin/psh
+++ b/xCAT-client/bin/psh
@@ -8,9 +8,7 @@ BEGIN
 use lib "$::XCATROOT/lib/perl";
 use IO::Socket::SSL;
 use XML::Simple;
-if ($^O =~ /^linux/i) {
-	$XML::Simple::PREFERRED_PARSER='XML::Parser';
-}
+$XML::Simple::PREFERRED_PARSER='XML::Parser';
 use Data::Dumper;
 use IO::Handle;
 use IO::Select;