diff --git a/cosmos/profiles/bigquery/service_account_keyfile_dict.py b/cosmos/profiles/bigquery/service_account_keyfile_dict.py
index 038b34153..17858d7bb 100644
--- a/cosmos/profiles/bigquery/service_account_keyfile_dict.py
+++ b/cosmos/profiles/bigquery/service_account_keyfile_dict.py
@@ -22,7 +22,6 @@ class GoogleCloudServiceAccountDictProfileMapping(BaseProfileMapping):
 
     required_fields = [
         "project",
-        "dataset",
         "keyfile_json",
     ]
 
@@ -45,12 +44,14 @@ def profile(self) -> dict[str, Any | None]:
         Even though the Airflow connection contains hard-coded Service account credentials,
         we generate a temporary file and the DBT profile uses it.
         """
-        return {
+        profile_dict = {
             **self.mapped_params,
             "threads": 1,
             **self.profile_args,
         }
 
+        return self.filter_null(profile_dict)
+
     @property
     def mock_profile(self) -> dict[str, Any | None]:
         "Generates mock profile. Defaults `threads` to 1."
diff --git a/tests/profiles/bigquery/test_bq_service_account_keyfile_dict.py b/tests/profiles/bigquery/test_bq_service_account_keyfile_dict.py
index 4e56f5ba1..6f0d60b8d 100755
--- a/tests/profiles/bigquery/test_bq_service_account_keyfile_dict.py
+++ b/tests/profiles/bigquery/test_bq_service_account_keyfile_dict.py
@@ -64,8 +64,8 @@ def test_connection_claiming_succeeds(mock_bigquery_conn_with_dict: Connection):
 
 
 def test_connection_claiming_fails(mock_bigquery_conn_with_dict: Connection):
-    # Remove the `dataset` key, which is mandatory
-    mock_bigquery_conn_with_dict.extra = json.dumps({"project": "my_project", "keyfile_dict": sample_keyfile_dict})
+    # Remove the `project` key, which is mandatory
+    mock_bigquery_conn_with_dict.extra = json.dumps({"dataset": "my_dataset", "keyfile_dict": sample_keyfile_dict})
     profile_mapping = GoogleCloudServiceAccountDictProfileMapping(mock_bigquery_conn_with_dict, {})
     assert not profile_mapping.can_claim_connection()
 
@@ -96,7 +96,6 @@ def test_mock_profile(mock_bigquery_conn_with_dict: Connection):
         "type": "bigquery",
         "method": "service-account-json",
         "project": "mock_value",
-        "dataset": "mock_value",
         "threads": 1,
         "keyfile_json": None,
     }