diff --git a/src/azure-cli/azure/cli/command_modules/cosmosdb/__init__.py b/src/azure-cli/azure/cli/command_modules/cosmosdb/__init__.py
index d1493ab8b58..4fec7cf6c5a 100644
--- a/src/azure-cli/azure/cli/command_modules/cosmosdb/__init__.py
+++ b/src/azure-cli/azure/cli/command_modules/cosmosdb/__init__.py
@@ -3,19 +3,11 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-from knack.events import EVENT_INVOKER_PRE_PARSE_ARGS
-
 from azure.cli.core import AzCommandsLoader
 
 from azure.cli.command_modules.cosmosdb._help import helps  # pylint: disable=unused-import
 
 
-def _documentdb_deprecate(_, args):
-    if args[0] == 'documentdb':
-        from azure.cli.core.util import CLIError
-        raise CLIError('All documentdb commands have been renamed to cosmosdb')
-
-
 class CosmosDbCommandsLoader(AzCommandsLoader):
 
     def __init__(self, cli_ctx=None):
@@ -27,8 +19,6 @@ def __init__(self, cli_ctx=None):
             operations_tmpl='azure.cli.command_modules.cosmosdb.custom#{}',
             client_factory=cf_cosmosdb_document)
 
-        cli_ctx.register_event(EVENT_INVOKER_PRE_PARSE_ARGS, _documentdb_deprecate)
-
         super().__init__(cli_ctx=cli_ctx,
                          resource_type=ResourceType.MGMT_COSMOSDB,
                          custom_command_type=cosmosdb_custom,