diff --git a/model/storage/src/mtd/mtd_core.c b/model/storage/src/mtd/mtd_core.c
index 2429922a6e5f25ee26d56398de0b243166ea6121..839e5fb41faaf2e366134b4e34a2f8a1ba06946f 100644
--- a/model/storage/src/mtd/mtd_core.c
+++ b/model/storage/src/mtd/mtd_core.c
@@ -36,11 +36,6 @@ static int32_t MtdDeviceCheckParms(struct MtdDevice *mtdDevice)
         return HDF_ERR_INVALID_OBJECT;
     }
 
-    if (mtdDevice->idLen > MTD_FLASH_ID_LEN_MAX) {
-        HDF_LOGE("%s: invalid idLen:%u", __func__, mtdDevice->idLen);
-        return HDF_ERR_INVALID_OBJECT;
-    }
-
     if (mtdDevice->capacity == 0) {
         HDF_LOGE("%s: invalid capacity:%zu", __func__, mtdDevice->capacity);
         return HDF_ERR_INVALID_OBJECT;