diff --git a/sdk/servicebus/azure-servicebus/CHANGELOG.md b/sdk/servicebus/azure-servicebus/CHANGELOG.md
index 1959018e2b05..523009736af3 100644
--- a/sdk/servicebus/azure-servicebus/CHANGELOG.md
+++ b/sdk/servicebus/azure-servicebus/CHANGELOG.md
@@ -36,6 +36,7 @@ now raise more concrete exception other than `MessageSettleFailed` and `ServiceB
 * Exceptions `MessageSendFailed`, `MessageSettleFailed` and `MessageLockExpired`
  now inherit from `azure.servicebus.exceptions.MessageError`.
 * `get_state` in `ServiceBusSession` now returns `bytes` instead of a `string`.
+* `encoding` support is removed from `ServiceBusMessage`
 
 **BugFixes**
 
diff --git a/sdk/servicebus/azure-servicebus/azure/servicebus/_common/message.py b/sdk/servicebus/azure-servicebus/azure/servicebus/_common/message.py
index d2bda10f629e..462cf27380b5 100644
--- a/sdk/servicebus/azure-servicebus/azure/servicebus/_common/message.py
+++ b/sdk/servicebus/azure-servicebus/azure/servicebus/_common/message.py
@@ -85,7 +85,6 @@ class ServiceBusMessage(object):  # pylint: disable=too-many-public-methods,too-
     :keyword str to: The `to` address used for auto_forward chaining scenarios.
     :keyword str reply_to: The address of an entity to send replies to.
     :keyword str reply_to_session_id: The session identifier augmenting the `reply_to` address.
-    :keyword str encoding: The encoding for string data. Default is UTF-8.
 
     :ivar AMQPMessage amqp_message: Advanced use only.  The internal AMQP message payload that is sent or received.
 
diff --git a/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_receiver.py b/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_receiver.py
index 3a6ad3500e5b..f9461524179b 100644
--- a/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_receiver.py
+++ b/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_receiver.py
@@ -132,7 +132,7 @@ def __init__(
             )
 
         self._populate_attributes(**kwargs)
-        self._session = ServiceBusSession(self._session_id, self, self._config.encoding) if self._session_id else None
+        self._session = ServiceBusSession(self._session_id, self) if self._session_id else None
 
     def __iter__(self):
         return self._iter_contextual_wrapper()
diff --git a/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_session.py b/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_session.py
index 9eeb1936dc70..805dab03ff91 100644
--- a/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_session.py
+++ b/sdk/servicebus/azure-servicebus/azure/servicebus/_servicebus_session.py
@@ -28,11 +28,11 @@
 
 
 class BaseSession(object):
-    def __init__(self, session_id, receiver, encoding="UTF-8"):
-        # type: (str, Union[ServiceBusReceiver, ServiceBusReceiverAsync], str) -> None
+    def __init__(self, session_id, receiver):
+        # type: (str, Union[ServiceBusReceiver, ServiceBusReceiverAsync]) -> None
         self._session_id = session_id
         self._receiver = receiver
-        self._encoding = encoding
+        self._encoding = "UTF-8"
         self._session_start = None
         self._locked_until_utc = None  # type: Optional[datetime.datetime]
         self.auto_renew_error = None
diff --git a/sdk/servicebus/azure-servicebus/azure/servicebus/aio/_servicebus_receiver_async.py b/sdk/servicebus/azure-servicebus/azure/servicebus/aio/_servicebus_receiver_async.py
index c184db107d26..a47f7bf970bc 100644
--- a/sdk/servicebus/azure-servicebus/azure/servicebus/aio/_servicebus_receiver_async.py
+++ b/sdk/servicebus/azure-servicebus/azure/servicebus/aio/_servicebus_receiver_async.py
@@ -133,7 +133,7 @@ def __init__(
             )
 
         self._populate_attributes(**kwargs)
-        self._session = ServiceBusSession(self._session_id, self, self._config.encoding) if self._session_id else None
+        self._session = ServiceBusSession(self._session_id, self) if self._session_id else None
 
     # Python 3.5 does not allow for yielding from a coroutine, so instead of the try-finally functional wrapper
     # trick to restore the timeout, let's use a wrapper class to maintain the override that may be specified.