diff --git a/Tools/buildbot/build.bat b/Tools/buildbot/build.bat
index 622f876a980..5e840cc7eac 100644
--- a/Tools/buildbot/build.bat
+++ b/Tools/buildbot/build.bat
@@ -7,7 +7,7 @@ call "%~dp0clean.bat" %*
 @rem a new version of an external library, especially Tcl/Tk):
 @rem 1) uncomment the following line:
 
-call "%~dp0..\..\PCbuild\get_externals.bat" --clean-only
+@rem    call "%~dp0..\..\PCbuild\get_externals.bat" --clean-only
 
 @rem 2) commit and push
 @rem 3) wait for all Windows bots to start a build with that changeset