diff --git a/BaseTools/Source/Python/AutoGen/AutoGen.py b/BaseTools/Source/Python/AutoGen/AutoGen.py
index cf0b4466f9..4c627dfb55 100644
--- a/BaseTools/Source/Python/AutoGen/AutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/AutoGen.py
@@ -2713,36 +2713,9 @@ class ModuleAutoGen(AutoGen):
                 if F.Dir not in self.IncludePathList and self.AutoGenVersion >= 0x00010005:
                     self.IncludePathList.insert(0, F.Dir)
                 self._SourceFileList.append(F)
-
-            self._MatchBuildRuleOrder(self._SourceFileList)
-
-            for F in self._SourceFileList:
                 self._ApplyBuildRule(F, TAB_UNKNOWN_FILE)
         return self._SourceFileList
 
-    def _MatchBuildRuleOrder(self, FileList):
-        Order_Dict = {}
-        self._GetModuleBuildOption()
-        for SingleFile in FileList:
-            if self.BuildRuleOrder and SingleFile.Ext in self.BuildRuleOrder:
-                key = SingleFile.Path.split(SingleFile.Ext)[0]
-                if key in Order_Dict:
-                    Order_Dict[key].append(SingleFile.Ext)
-                else:
-                    Order_Dict[key] = [SingleFile.Ext]
-
-        RemoveList = []
-        for F in Order_Dict:
-            if len(Order_Dict[F]) > 1:
-                Order_Dict[F].sort(key=lambda i: self.BuildRuleOrder.index(i))
-                for Ext in Order_Dict[F][1:]:
-                    RemoveList.append(F + Ext)
-                   
-        for item in RemoveList:
-            FileList.remove(item)
-
-        return FileList
-
     ## Return the list of unicode files
     def _GetUnicodeFileList(self):
         if self._UnicodeFileList == None: