diff --git a/src/common/inc/tdataformat.h b/src/common/inc/tdataformat.h
index 441af9a21583e757f79aca9650f82d4bd674fbea..e1f17b09a98a53f570f581f5164d684c75a92f47 100644
--- a/src/common/inc/tdataformat.h
+++ b/src/common/inc/tdataformat.h
@@ -69,8 +69,8 @@ typedef struct {
   int      version;    // version
   int      numOfCols;  // Number of columns appended
   int      tlen;       // maximum length of a SDataRow without the header part
-  int16_t      flen;       // First part length in a SDataRow after the header part
-  int16_t      vlen;      // pure value part length, excluded the overhead  
+  int16_t  flen;       // First part length in a SDataRow after the header part
+  int16_t  vlen;       // pure value part length, excluded the overhead
   STColumn columns[];
 } STSchema;
 
diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index cb84c376eb3870c0735bad57f4ed2fbea7c0e760..0e4ffda78bf7d9d9e50101fece7d78b2ef5dabdf 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -37,7 +37,6 @@ void *tdEncodeSchema(void *dst, STSchema *pSchema) {
 
   T_APPEND_MEMBER(dst, pSchema, STSchema, version);
   T_APPEND_MEMBER(dst, pSchema, STSchema, numOfCols);
-  T_APPEND_MEMBER(dst, pSchema, STSchema, vlen);
   for (int i = 0; i < schemaNCols(pSchema); i++) {
     STColumn *pCol = schemaColAt(pSchema, i);
     T_APPEND_MEMBER(dst, pCol, STColumn, type);
@@ -54,12 +53,10 @@ void *tdEncodeSchema(void *dst, STSchema *pSchema) {
 STSchema *tdDecodeSchema(void **psrc) {
   int totalCols = 0;
   int version = 0;
-  int16_t vlen = 0;
   STSchemaBuilder schemaBuilder = {0};
 
   T_READ_MEMBER(*psrc, int, version);
   T_READ_MEMBER(*psrc, int, totalCols);
-  T_READ_MEMBER(*psrc, int16_t, vlen);
 
   if (tdInitTSchemaBuilder(&schemaBuilder, version) < 0) return NULL;
 
@@ -78,7 +75,6 @@ STSchema *tdDecodeSchema(void **psrc) {
   }
 
   STSchema *pSchema = tdGetSchemaFromBuilder(&schemaBuilder);
-  pSchema->vlen = vlen;
   tdDestroyTSchemaBuilder(&schemaBuilder);
   return pSchema;
 }
diff --git a/src/inc/tsdb.h b/src/inc/tsdb.h
index bdb61e6ee13cd33195c3536ea640d9873363d3fe..add85d9438440b9992649bdbd349b378de691405 100644
--- a/src/inc/tsdb.h
+++ b/src/inc/tsdb.h
@@ -67,10 +67,10 @@ typedef struct {
 
 // --------- TSDB REPOSITORY USAGE STATISTICS
 typedef struct {
-  int64_t      totalStorage; //total bytes occupie
-  int64_t      compStorage;
-  int64_t      pointsWritten; //total data points written
-}STsdbStat;
+  int64_t totalStorage;  // total bytes occupie
+  int64_t compStorage;
+  int64_t pointsWritten;  // total data points written
+} STsdbStat;
 
 typedef void TsdbRepoT;  // use void to hide implementation details from outside