diff --git a/sdk/eventhub/azure-eventhub/azure/eventhub/_pyamqp/sasl.py b/sdk/eventhub/azure-eventhub/azure/eventhub/_pyamqp/sasl.py
index 6d6d7d98f342..084a97843eeb 100644
--- a/sdk/eventhub/azure-eventhub/azure/eventhub/_pyamqp/sasl.py
+++ b/sdk/eventhub/azure-eventhub/azure/eventhub/_pyamqp/sasl.py
@@ -94,32 +94,6 @@ def _negotiate(self):
         else:
             raise ValueError("SASL negotiation failed.\nOutcome: {}\nDetails: {}".format(*fields))
 
-class SASLTransportMixin():
-    def _negotiate(self):
-        self.write(SASL_HEADER_FRAME)
-        _, returned_header = self.receive_frame()
-        if returned_header[1] != SASL_HEADER_FRAME:
-            raise ValueError("Mismatching AMQP header protocol. Expected: {}, received: {}".format(
-                SASL_HEADER_FRAME, returned_header[1]))
-
-        _, supported_mechansisms = self.receive_frame(verify_frame_type=1)
-        if self.credential.mechanism not in supported_mechansisms[1][0]:  # sasl_server_mechanisms
-            raise ValueError("Unsupported SASL credential type: {}".format(self.credential.mechanism))
-        sasl_init = SASLInit(
-            mechanism=self.credential.mechanism,
-            initial_response=self.credential.start(),
-            hostname=self.host)
-        self.send_frame(0, sasl_init, frame_type=_SASL_FRAME_TYPE)
-
-        _, next_frame = self.receive_frame(verify_frame_type=1)
-        frame_type, fields = next_frame
-        if frame_type != 0x00000044:  # SASLOutcome
-            raise NotImplementedError("Unsupported SASL challenge")
-        if fields[0] == SASLCode.Ok:  # code
-            return
-        else:
-            raise ValueError("SASL negotiation failed.\nOutcome: {}\nDetails: {}".format(*fields))
-
 
 class SASLTransport(SSLTransport, SASLTransportMixin):