diff --git a/lib/bmc_redfish.py b/lib/bmc_redfish.py
index 1fe66c3..7570c9b 100644
--- a/lib/bmc_redfish.py
+++ b/lib/bmc_redfish.py
@@ -65,7 +65,6 @@
             BuiltIn().log_to_console(error_response)
 
         BuiltIn().set_global_variable("${REDFISH_SUPPORTED}", self.__inited__)
-        BuiltIn().set_global_variable("${REDFISH_REST_SUPPORTED}", True)
 
     def login(self, *args, **kwargs):
         r"""
diff --git a/lib/bmc_redfish_utils.py b/lib/bmc_redfish_utils.py
index 099345a..5a0400e 100644
--- a/lib/bmc_redfish_utils.py
+++ b/lib/bmc_redfish_utils.py
@@ -35,20 +35,9 @@
         if MTLS_ENABLED == "True":
             self.__inited__ = True
         else:
-            # There is a possibility that a given driver support both redfish and
-            # legacy REST.
+            # initialized if only login succeed.
             self._redfish_.login()
-            self._rest_response_ = self._redfish_.get(
-                "/xyz/openbmc_project/", valid_status_codes=[200, 404]
-            )
-
-            # If REST URL /xyz/openbmc_project/ is supported.
-            if self._rest_response_.status == 200:
-                self.__inited__ = True
-
-        BuiltIn().set_global_variable(
-            "${REDFISH_REST_SUPPORTED}", self.__inited__
-        )
+            self.__inited__ = True
 
     def get_redfish_session_info(self):
         r"""
diff --git a/lib/obmc_boot_test.py b/lib/obmc_boot_test.py
index 5550277..96d9a39 100755
--- a/lib/obmc_boot_test.py
+++ b/lib/obmc_boot_test.py
@@ -86,9 +86,6 @@
 redfish_supported = BuiltIn().get_variable_value(
     "${REDFISH_SUPPORTED}", default=False
 )
-redfish_rest_supported = BuiltIn().get_variable_value(
-    "${REDFISH_REST_SUPPORTED}", default=False
-)
 redfish_delete_sessions = int(
     BuiltIn().get_variable_value("${REDFISH_DELETE_SESSIONS}", default=1)
 )
@@ -332,7 +329,6 @@
         "ffdc_summary_list_path",
         "execdir",
         "redfish_supported",
-        "redfish_rest_supported",
         "redfish_support_trans_state",
     ]