diff --git a/bigquery-datatransfer/snippets/manage_transfer_configs.py b/bigquery-datatransfer/snippets/manage_transfer_configs.py
index cd865455c10..da3db8e47e3 100644
--- a/bigquery-datatransfer/snippets/manage_transfer_configs.py
+++ b/bigquery-datatransfer/snippets/manage_transfer_configs.py
@@ -34,41 +34,6 @@ def list_configs(override_values={}):
     # [END bigquerydatatransfer_list_configs]
 
 
-def update_config(override_values={}):
-    # [START bigquerydatatransfer_update_config]
-    from google.cloud import bigquery_datatransfer
-    from google.protobuf import field_mask_pb2
-
-    transfer_client = bigquery_datatransfer.DataTransferServiceClient()
-
-    transfer_config_name = "projects/1234/locations/us/transferConfigs/abcd"
-    new_display_name = "My Transfer Config"
-    # [END bigquerydatatransfer_update_config]
-    # To facilitate testing, we replace values with alternatives
-    # provided by the testing harness.
-    new_display_name = override_values.get("new_display_name", new_display_name)
-    transfer_config_name = override_values.get(
-        "transfer_config_name", transfer_config_name
-    )
-    # [START bigquerydatatransfer_update_config]
-
-    transfer_config = bigquery_datatransfer.TransferConfig(name=transfer_config_name)
-    transfer_config.display_name = new_display_name
-
-    transfer_config = transfer_client.update_transfer_config(
-        {
-            "transfer_config": transfer_config,
-            "update_mask": field_mask_pb2.FieldMask(paths=["display_name"]),
-        }
-    )
-
-    print(f"Updated config: '{transfer_config.name}'")
-    print(f"New display name: '{transfer_config.display_name}'")
-    # [END bigquerydatatransfer_update_config]
-    # Return the config name for testing purposes, so that it can be deleted.
-    return transfer_config
-
-
 def update_credentials_with_service_account(override_values={}):
     # [START bigquerydatatransfer_update_credentials]
     from google.cloud import bigquery_datatransfer
diff --git a/bigquery-datatransfer/snippets/manage_transfer_configs_test.py b/bigquery-datatransfer/snippets/manage_transfer_configs_test.py
index 5504f19cbf9..b3aaf2dc7df 100644
--- a/bigquery-datatransfer/snippets/manage_transfer_configs_test.py
+++ b/bigquery-datatransfer/snippets/manage_transfer_configs_test.py
@@ -22,19 +22,6 @@ def test_list_configs(capsys, project_id, transfer_config_name):
     assert transfer_config_name in out
 
 
-def test_update_config(capsys, transfer_config_name):
-    manage_transfer_configs.update_config(
-        {
-            "new_display_name": "name from test_update_config",
-            "transfer_config_name": transfer_config_name,
-        }
-    )
-    out, _ = capsys.readouterr()
-    assert "Updated config:" in out
-    assert transfer_config_name in out
-    assert "name from test_update_config" in out
-
-
 def test_update_credentials_with_service_account(
     capsys, project_id, service_account_name, transfer_config_name
 ):