diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/include/grd_document/grd_document_api.h b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/include/grd_document/grd_document_api.h
index a38ff58124385e9d8b4d85aa561781f13c8ddf33..64ae1e820612e2069ebdc5712822c0f6718f1c9c 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/include/grd_document/grd_document_api.h
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/include/grd_document/grd_document_api.h
@@ -37,8 +37,6 @@ int GRD_UpsertDoc(GRD_DB *db, const char *collectionName, const char *filter, co
 
 int GRD_DeleteDoc(GRD_DB *db, const char *collectionName, const char *filter, unsigned int flags);
 
-int GRD_Flush(GRD_DB *db, unsigned int flags);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/executor/document/grd_document_api.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/executor/document/grd_document_api.cpp
index 573a60d2a6109d62468b32aaf2bd3876c7c7afe3..e033b9fb8af6859029e8f80cd468ef4c1733e8d3 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/executor/document/grd_document_api.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/executor/document/grd_document_api.cpp
@@ -119,8 +119,3 @@ int GRD_FindDoc(GRD_DB *db, const char *collectionName, Query query, unsigned in
     *resultSet = grdResultSet;
     return TrasnferDocErr(ret); 
 }
-
-int GRD_Flush(GRD_DB *db, unsigned int flags)
-{
-    return GRD_OK;
-}
\ No newline at end of file