diff --git a/src/azure-cli/azure/cli/command_modules/profile/_breaking_change.py b/src/azure-cli/azure/cli/command_modules/profile/_breaking_change.py
deleted file mode 100644
index 0b2819cb739..00000000000
--- a/src/azure-cli/azure/cli/command_modules/profile/_breaking_change.py
+++ /dev/null
@@ -1,11 +0,0 @@
-# --------------------------------------------------------------------------------------------
-# Copyright (c) Microsoft Corporation. All rights reserved.
-# Licensed under the MIT License. See License.txt in the project root for license information.
-# --------------------------------------------------------------------------------------------
-
-from azure.cli.core.breaking_change import register_conditional_breaking_change, AzCLIOtherChange
-
-register_conditional_breaking_change(tag='ManagedIdentityUsernameBreakingChange', breaking_change=AzCLIOtherChange(
-    'login',
-    'Passing the managed identity ID with --username is deprecated and will be removed in 2.73.0. '
-    'Use --client-id, --object-id or --resource-id instead.'))
diff --git a/src/azure-cli/azure/cli/command_modules/profile/custom.py b/src/azure-cli/azure/cli/command_modules/profile/custom.py
index 7114812fb96..7b14254cdb5 100644
--- a/src/azure-cli/azure/cli/command_modules/profile/custom.py
+++ b/src/azure-cli/azure/cli/command_modules/profile/custom.py
@@ -133,6 +133,9 @@ def login(cmd, username=None, password=None, tenant=None, scopes=None, allow_no_
     # quick argument usage check
     if any([password, service_principal, tenant]) and identity:
         raise CLIError("usage error: '--identity' is not applicable with other arguments")
+    if identity and username:
+        raise CLIError('Passing the managed identity ID with --username is no longer supported. '
+                       'Use --client-id, --object-id or --resource-id instead.')
     if any([password, service_principal, username, identity]) and use_device_code:
         raise CLIError("usage error: '--use-device-code' is not applicable with other arguments")
     if use_cert_sn_issuer and not service_principal:
@@ -152,9 +155,6 @@ def login(cmd, username=None, password=None, tenant=None, scopes=None, allow_no_
     if identity:
         if in_cloud_console():
             return profile.login_in_cloud_shell()
-        if username:
-            from azure.cli.core.breaking_change import print_conditional_breaking_change
-            print_conditional_breaking_change(cmd.cli_ctx, tag='ManagedIdentityUsernameBreakingChange')
         return profile.login_with_managed_identity(
             client_id=client_id, object_id=object_id, resource_id=resource_id,
             allow_no_subscriptions=allow_no_subscriptions)