diff --git a/api/controllers/console/app/generator.py b/api/controllers/console/app/generator.py
index 41ea484e90..95329ab213 100644
--- a/api/controllers/console/app/generator.py
+++ b/api/controllers/console/app/generator.py
@@ -51,7 +51,6 @@ reg(RuleCodeGeneratePayload)
 reg(RuleStructuredOutputPayload)
 reg(InstructionGeneratePayload)
 reg(InstructionTemplatePayload)
-reg(ModelConfig)
 
 
 @console_ns.route("/rule-generate")