diff --git a/codec/console/dec/src/h264dec.cpp b/codec/console/dec/src/h264dec.cpp
index 593658446e..78c5c5d0a7 100644
--- a/codec/console/dec/src/h264dec.cpp
+++ b/codec/console/dec/src/h264dec.cpp
@@ -231,7 +231,6 @@ void H264DecodeInstance (ISVCDecoder* pDecoder, const char* kpH264FileName, cons
   unsigned long long uiTimeStamp = 0;
   int64_t iStart = 0, iEnd = 0, iTotal = 0;
   int32_t iSliceSize;
-  int32_t iSliceIndex = 0;
   uint8_t* pBuf = NULL;
   uint8_t uiStartCode[4] = {0, 0, 0, 1};
 
@@ -449,7 +448,6 @@ void H264DecodeInstance (ISVCDecoder* pDecoder, const char* kpH264FileName, cons
       }
     }
     iBufPos += iSliceSize;
-    ++ iSliceIndex;
   }
   FlushFrames (pDecoder, iTotal, pYuvFile, pOptionFile, iFrameCount, uiTimeStamp, iWidth, iHeight, iLastWidth,
                iLastHeight);
diff --git a/codec/encoder/core/inc/param_svc.h b/codec/encoder/core/inc/param_svc.h
index dff33c490a..92686e7aec 100644
--- a/codec/encoder/core/inc/param_svc.h
+++ b/codec/encoder/core/inc/param_svc.h
@@ -493,7 +493,6 @@ typedef struct TagWelsSvcCodingParam: SEncParamExt {
     const int32_t iDecStages = WELS_LOG2 (uiGopSize); // (int8_t)GetLogFactor(1.0f, 1.0f * pcfg->uiGopSize);  //log2(uiGopSize)
     const uint8_t* pTemporalIdList = &g_kuiTemporalIdListTable[iDecStages][0];
     SSpatialLayerInternal* pDlp    = &sDependencyLayers[0];
-    SSpatialLayerConfig* pSpatialLayer = &sSpatialLayers[0];
     int8_t i = 0;
 
     while (i < iSpatialLayerNum) {
@@ -524,7 +523,6 @@ typedef struct TagWelsSvcCodingParam: SEncParamExt {
         return ENC_RETURN_INVALIDINPUT;
       }
       ++ pDlp;
-      ++ pSpatialLayer;
       ++ i;
     }
     iDecompStages = (int8_t)iDecStages;