diff --git a/tests/test_litellm/llms/vertex_ai/vertex_ai_partner_models/gpt_oss/test_vertex_ai_gpt_oss_transformation.py b/tests/test_litellm/llms/vertex_ai/vertex_ai_partner_models/gpt_oss/test_vertex_ai_gpt_oss_transformation.py
index 7e7d16bbc0a..df1fe26df8b 100644
--- a/tests/test_litellm/llms/vertex_ai/vertex_ai_partner_models/gpt_oss/test_vertex_ai_gpt_oss_transformation.py
+++ b/tests/test_litellm/llms/vertex_ai/vertex_ai_partner_models/gpt_oss/test_vertex_ai_gpt_oss_transformation.py
@@ -24,6 +24,8 @@ def clean_vertex_env():
         "GOOGLE_APPLICATION_CREDENTIALS",
         "GOOGLE_CLOUD_PROJECT",
         "VERTEXAI_PROJECT",
+        "VERTEXAI_LOCATION",
+        "VERTEXAI_CREDENTIALS",
         "VERTEX_PROJECT",
         "VERTEX_LOCATION",
         "VERTEX_AI_PROJECT",