diff --git a/internal/runtime/executor/aistudio_executor.go b/internal/runtime/executor/aistudio_executor.go
index 8f78547b..9b59488f 100644
--- a/internal/runtime/executor/aistudio_executor.go
+++ b/internal/runtime/executor/aistudio_executor.go
@@ -319,6 +319,9 @@ func (e *AIStudioExecutor) translateRequest(req cliproxyexecutor.Request, opts c
 	payload = util.StripThinkingConfigIfUnsupported(req.Model, payload)
 	payload = fixGeminiImageAspectRatio(req.Model, payload)
 	payload = applyPayloadConfig(e.cfg, req.Model, payload)
+	payload, _ = sjson.DeleteBytes(payload, "generationConfig.maxOutputTokens")
+	payload, _ = sjson.DeleteBytes(payload, "generationConfig.responseMimeType")
+	payload, _ = sjson.DeleteBytes(payload, "generationConfig.responseJsonSchema")
 	metadataAction := "generateContent"
 	if req.Metadata != nil {
 		if action, _ := req.Metadata["action"].(string); action == "countTokens" {