diff --git a/litellm/llms/vertex_ai/vertex_ai_partner_models/anthropic/transformation.py b/litellm/llms/vertex_ai/vertex_ai_partner_models/anthropic/transformation.py
index 504914c4796..78418799eb1 100644
--- a/litellm/llms/vertex_ai/vertex_ai_partner_models/anthropic/transformation.py
+++ b/litellm/llms/vertex_ai/vertex_ai_partner_models/anthropic/transformation.py
@@ -108,9 +108,6 @@ class VertexAIAnthropicConfig(AnthropicConfig):
         # VertexAI doesn't support output_format parameter, remove it if present
         data.pop("output_format", None)
 
-        # VertexAI doesn't support output_config parameter, remove it if present
-        data.pop("output_config", None)
-
         tools = optional_params.get("tools")
         tool_search_used = self.is_tool_search_used(tools)
         auto_betas = self.get_anthropic_beta_list(