diff --git a/include/os/osSocket.h b/include/os/osSocket.h
index 5ee3f30ddf..1cedfc4dcd 100644
--- a/include/os/osSocket.h
+++ b/include/os/osSocket.h
@@ -85,7 +85,6 @@ typedef int32_t SOCKET;
 #else
 #define TAOS_EPOLL_WAIT_TIME 500
 typedef int32_t SOCKET;
-typedef SOCKET  EpollFd;
 #define EpollClose(pollFd)   taosCloseSocket(pollFd)
 #endif
 
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 346d2c7584..5372533455 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -2556,7 +2556,7 @@ int32_t dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf
           memset(pBuf, 0, sizeof(pBuf));
           code = formatTimestamp(pBuf, sizeof(pBuf), *(uint64_t*)var, pColInfoData->info.precision);
           if (code != TSDB_CODE_SUCCESS) {
-            tsnprintf(pBuf, sizeof(pBuf), "NaN");
+            TAOS_UNUSED(tsnprintf(pBuf, sizeof(pBuf), "NaN"));
           }
           len += tsnprintf(dumpBuf + len, size - len, " %25s |", pBuf);
           if (len >= size - 1) goto _exit;