diff --git a/BaseTools/Source/Python/Workspace/MetaFileTable.py b/BaseTools/Source/Python/Workspace/MetaFileTable.py
index 0555c91ccc3a..20cb80e36e39 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileTable.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileTable.py
@@ -46,25 +46,17 @@ def __init__(self, DB, MetaFile, FileType, Temporary, FromItem=None):
             self.TableName = "_%s_%s" % (FileType, len(DB.TblFile))
 
     def IsIntegrity(self):
+        Result = False
         try:
             TimeStamp = self.MetaFile.TimeStamp
             if not self.CurrentContent:
                 Result = False
             else:
                 Result = self.CurrentContent[-1][0] < 0
-            if not Result:
-                # update the timestamp in database
-                self.DB.SetFileTimeStamp(self.FileId, TimeStamp)
-                return False
-
-            if TimeStamp != self.DB.GetFileTimeStamp(self.FileId):
-                # update the timestamp in database
-                self.DB.SetFileTimeStamp(self.FileId, TimeStamp)
-                return False
         except Exception as Exc:
             EdkLogger.debug(EdkLogger.DEBUG_5, str(Exc))
             return False
-        return True
+        return Result
 
     def SetEndFlag(self):
         self.CurrentContent.append(self._DUMMY_)
diff --git a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
index 9420eaa608e3..d955c78b258f 100644
--- a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
+++ b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
@@ -158,12 +158,6 @@ def __init__(self):
         self.BuildObject = WorkspaceDatabase.BuildObjectFactory(self)
         self.TransformObject = WorkspaceDatabase.TransformObjectFactory(self)
 
-    def SetFileTimeStamp(self,FileId,TimeStamp):
-        self.TblFile[FileId-1][6] = TimeStamp
-
-    def GetFileTimeStamp(self,FileId):
-        return self.TblFile[FileId-1][6]
-
 
     ## Summarize all packages in the database
     def GetPackageList(self, Platform, Arch, TargetName, ToolChainTag):
@@ -193,16 +187,6 @@ def GetPackageList(self, Platform, Arch, TargetName, ToolChainTag):
 
         return PackageList
 
-    ## Summarize all platforms in the database
-    def PlatformList(self):
-        RetVal = []
-        for PlatformFile in [item[3] for item in self.TblFile if item[5] == MODEL_FILE_DSC]:
-            try:
-                RetVal.append(self.BuildObject[PathClass(PlatformFile), TAB_COMMON])
-            except:
-                pass
-        return RetVal
-
     def MapPlatform(self, Dscfile):
         Platform = self.BuildObject[PathClass(Dscfile), TAB_COMMON]
         if Platform is None: