diff --git a/build.bat b/build.bat
index df5c06a42..f39e8cbac 100644
--- a/build.bat
+++ b/build.bat
@@ -18,9 +18,9 @@ set compiler_defines= -DLLVM_BACKEND_SUPPORT
 
 if %release_mode% EQU 0 ( rem Debug
 	set compiler_flags=%compiler_flags% -Od -MDd -Z7
-	rem -DDISPLAY_TIMING
 ) else ( rem Release
-	set compiler_flags=%compiler_flags% -O2 -MT -Z7 -DNO_ARRAY_BOUNDS_CHECK
+	set compiler_flags=%compiler_flags% -O2 -MT -Z7
+	set compiler_defines=%compiler_defines% -DNO_ARRAY_BOUNDS_CHECK
 )
 
 set compiler_warnings= ^
@@ -56,10 +56,6 @@ if %errorlevel% neq 0 (
 	goto end_of_build
 )
 
-rem link demo.obj kernel32.lib user32.lib /OUT:llvm_demo.exe ^
-rem 	/nologo /incremental:no /opt:ref /subsystem:CONSOLE /defaultlib:libcmt -debug
-rem 	rem && llvm_demo
-
 del *.obj > NUL 2> NUL
 
 :end_of_build