diff --git a/xCAT-test/autotest/testcase/install_xCAT/case0 b/xCAT-test/autotest/testcase/install_xCAT/case0
index f473b099b..e41499802 100644
--- a/xCAT-test/autotest/testcase/install_xCAT/case0
+++ b/xCAT-test/autotest/testcase/install_xCAT/case0
@@ -30,10 +30,6 @@ cmd:diff /tmp/known_host_keys /tmp/current_os_host_keys
 check:output!~>
 cmd:rm -f /tmp/known_host_keys /tmp/current_os_host_keys
 check:rc==0
-
-# Obtain the highest version of TLS supported by OpenSSL/TLS.
-cmd:openssl s_client --help 2>&1 | grep "\-tls1" | awk '{print $1}' | sort | tail -1
-check:rc==0
 end
 
 start:install_xCAT_on_ubuntu
@@ -80,8 +76,4 @@ cmd:diff /tmp/known_host_keys /tmp/current_os_host_keys
 check:output!~>
 cmd:rm -f /tmp/known_host_keys /tmp/current_os_host_keys
 check:rc==0
-
-# Obtain the highest version of TLS supported by OpenSSL/TLS.
-cmd:openssl s_client --help 2>&1 | grep "\-tls1" | awk '{print $1}' | sort | tail -1
-check:rc==0
 end