diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index a8b4ce7375..80ceb98310 100644
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -1360,10 +1360,6 @@ class Build():
 
         # run
         if Target == 'run':
-            RunDir = os.path.normpath(os.path.join(AutoGenObject.BuildDir, GlobalData.gGlobalDefines['ARCH']))
-            Command = '.\SecMain'
-            os.chdir(RunDir)
-            LaunchCommand(Command, RunDir)
             return True
 
         # build library