diff --git a/utils/build-windows-toolchain.bat b/utils/build-windows-toolchain.bat
index 64a00b0ee3da0..42f3309fe895f 100644
--- a/utils/build-windows-toolchain.bat
+++ b/utils/build-windows-toolchain.bat
@@ -60,7 +60,7 @@ set TMPDIR=%BuildRoot%\tmp
 set NINJA_STATUS=[%%f/%%t][%%p][%%es] 
 
 :: Build the -Test argument, if any, by subtracting skipped tests
-set TestArg=-Test lld,swift,dispatch,foundation,xctest,swift-format,
+set TestArg=-Test lld,swift,dispatch,foundation,xctest,
 for %%I in (%SKIP_TESTS%) do (call set TestArg=%%TestArg:%%I,=%%)
 if "%TestArg:~-1%"=="," (set TestArg=%TestArg:~0,-1%) else (set TestArg= )