diff --git a/src/rhsm/connection.py b/src/rhsm/connection.py
index 693fb81a0..93fb6ed02 100644
--- a/src/rhsm/connection.py
+++ b/src/rhsm/connection.py
@@ -2095,22 +2095,6 @@ def deleteContentOverrides(self, consumerId: str, params: List[dict] = None) ->
             params = []
         return self.conn.request_delete(method, params, description=_("Removing content overrides"))
 
-    def activateMachine(self, consumerId: str, email: str, lang: str = None) -> Union[dict, None]:
-        """
-        Activate a subscription by machine, information is located in the consumer facts
-        :param consumerId: consumer UUID
-        :param email: The email for sending notification. The notification will be sent by candlepin server
-        :param lang: The locale specifies the language of notification email
-        :return When activation was successful, then dictionary is returned. Otherwise, None is returned.
-        """
-        method = "/subscriptions?consumer_uuid=%s" % consumerId
-        method += "&email=%s" % self.sanitize(email)
-        if (not lang) and (locale.getdefaultlocale()[0] is not None):
-            lang = locale.getdefaultlocale()[0].lower().replace("_", "-")
-        if lang:
-            method += "&email_locale=%s" % self.sanitize(lang)
-        return self.conn.request_post(method, description=_("Activating"))
-
     # used by virt-who
     def getJob(self, job_id: str) -> str:
         """