diff --git a/codec/encoder/core/src/encoder_ext.cpp b/codec/encoder/core/src/encoder_ext.cpp
index d302e821..ede8c6b0 100644
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -157,8 +157,6 @@ int32_t ParamValidation (SLogContext* pLogCtx, SWelsSvcCodingParam* pCfg) {
 
   }
   return WelsCheckRefFrameLimitation (pLogCtx, pCfg);
-
-  return ENC_RETURN_SUCCESS;
 }