diff --git a/codec/encoder/core/inc/param_svc.h b/codec/encoder/core/inc/param_svc.h
index 5738be9e..c8eb1382 100644
--- a/codec/encoder/core/inc/param_svc.h
+++ b/codec/encoder/core/inc/param_svc.h
@@ -495,19 +495,18 @@ pMa->WelsFree (*pParam, "SWelsSvcCodingParam");
 return 0;
 }
 
-static inline int32_t AllocCodingParam (SWelsSvcCodingParam** pParam, CMemoryAlign* pMa,
-                                        const int32_t kiRequestNumSpatial) {
-if (pParam == NULL || pMa == NULL || kiRequestNumSpatial < 1 || kiRequestNumSpatial > MAX_SPATIAL_LAYER_NUM)
-  return 1;
-if (*pParam != NULL) {
-  FreeCodingParam (pParam, pMa);
-}
-SWelsSvcCodingParam* pCodingParam = (SWelsSvcCodingParam*)pMa->WelsMalloc (sizeof (SWelsSvcCodingParam),
+static inline int32_t AllocCodingParam (SWelsSvcCodingParam** pParam, CMemoryAlign* pMa) {
+  if (pParam == NULL || pMa == NULL)
+    return 1;
+  if (*pParam != NULL) {
+    FreeCodingParam (pParam, pMa);
+  }
+  SWelsSvcCodingParam* pCodingParam = (SWelsSvcCodingParam*)pMa->WelsMalloc (sizeof (SWelsSvcCodingParam),
                                     "SWelsSvcCodingParam");
-if (NULL == pCodingParam)
-  return 1;
-*pParam = pCodingParam;
-return 0;
+  if (NULL == pCodingParam)
+    return 1;
+  *pParam = pCodingParam;
+  return 0;
 }
 
 }//end of namespace WelsSVCEnc
diff --git a/codec/encoder/core/src/encoder_ext.cpp b/codec/encoder/core/src/encoder_ext.cpp
index 10fd01b3..fd63861b 100644
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -1896,7 +1896,7 @@ int32_t WelsInitEncoderExt (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pCodingPar
 #endif//ENABLE_TRACE_FILE
 
   pCodingParam->DetermineTemporalSettings();
-  iRet = AllocCodingParam (&pCtx->pSvcParam, pCtx->pMemAlign, pCodingParam->iSpatialLayerNum);
+  iRet = AllocCodingParam (&pCtx->pSvcParam, pCtx->pMemAlign);
   if (iRet != 0) {
     FreeMemorySvc (&pCtx);
     return iRet;