diff --git a/airflow/providers/google/cloud/example_dags/example_bigquery_operations.py b/airflow/providers/google/cloud/example_dags/example_bigquery_operations.py
index e681cf24051fb..3584d9ee9edc5 100644
--- a/airflow/providers/google/cloud/example_dags/example_bigquery_operations.py
+++ b/airflow/providers/google/cloud/example_dags/example_bigquery_operations.py
@@ -152,8 +152,6 @@
                 "sourceUris": [DATA_SAMPLE_GCS_URL],
             },
         },
-        bucket=DATA_SAMPLE_GCS_BUCKET_NAME,
-        source_objects=[DATA_SAMPLE_GCS_OBJECT_NAME],
     )
     # [END howto_operator_bigquery_create_external_table]
 
diff --git a/airflow/providers/google/cloud/operators/bigquery.py b/airflow/providers/google/cloud/operators/bigquery.py
index 30677c005504a..4e8dba744b088 100644
--- a/airflow/providers/google/cloud/operators/bigquery.py
+++ b/airflow/providers/google/cloud/operators/bigquery.py
@@ -1089,8 +1089,8 @@ class BigQueryCreateExternalTableOperator(BaseOperator):
     def __init__(
         self,
         *,
-        bucket: str,
-        source_objects: List,
+        bucket: Optional[str] = None,
+        source_objects: Optional[List] = None,
         destination_project_dataset_table: str = None,
         table_resource: Optional[Dict[str, Any]] = None,
         schema_fields: Optional[List] = None,
@@ -1142,11 +1142,14 @@ def __init__(
         if not table_resource:
             warnings.warn(
                 "Passing table parameters via keywords arguments will be deprecated. "
-                "Please use provide table definition using `table_resource` parameter."
-                "You can still use external `schema_object`. ",
+                "Please use provide table definition using `table_resource` parameter.",
                 DeprecationWarning,
                 stacklevel=2,
             )
+            if not bucket:
+                raise ValueError("`bucket` is required when not using `table_resource`.")
+            if not source_objects:
+                raise ValueError("`source_objects` is required when not using `table_resource`.")
             if not source_format:
                 source_format = 'CSV'
             if not compression: