diff --git a/action-build-boost.bat b/action-build-boost.bat
deleted file mode 100644
index d6c34ff5c..000000000
--- a/action-build-boost.bat
+++ /dev/null
@@ -1,46 +0,0 @@
-setlocal
-
-set boost_build_options=toolset=msvc-14.1^
- variant=release^
- link=static^
- threading=multi^
- runtime-link=static^
- define=BOOST_USE_WINAPI_VERSION=0x0501^
- cxxflags="/Zc:threadSafeInit- "^
- --with-date_time^
- --with-filesystem^
- --with-locale^
- --with-regex^
- --with-system^
- --with-thread
-
-set nocache=0
-
-if not exist boost.cached set nocache=1
-if not exist %BOOST_ROOT%\stage set nocache=1
-
-if %nocache% == 1 (
-	pushd %BOOST_ROOT%
-	call .\bootstrap.bat
-	.\b2.exe %boost_build_options% -q -d0 stage
-	popd
-	if errorlevel 1 goto error
-
-	date /t > boost.cached & time /t >> boost.cached
-	echo.
-	echo Boost libraries installed.
-	echo.
-) else (
-	echo.
-	echo Last build date of Boost cache is
-	type boost.cached
-	echo.
-)
-
-goto exit
-
-:error
-set exitcode=%errorlevel%
-
-:exit
-exit /b %exitcode%
diff --git a/action-build-thirdparty.bat b/action-build-thirdparty.bat
deleted file mode 100644
index 07608eaae..000000000
--- a/action-build-thirdparty.bat
+++ /dev/null
@@ -1,38 +0,0 @@
-setlocal
-
-set nocache=0
-
-if not exist thirdparty.cached set nocache=1
-
-git submodule status > thirdparty.submodule-status.new
-if not exist thirdparty.submodule-status (
-  set nocache=1
-) else (
-  fc thirdparty.submodule-status thirdparty.submodule-status.new
-  if errorlevel 1 set nocache=1
-)
-
-if %nocache% == 1 (
-	git submodule update --init
-	call .\build.bat thirdparty
-	if errorlevel 1 goto error
-
-	copy /y thirdparty.submodule-status.new thirdparty.submodule-status
-	date /t > thirdparty.cached & time /t >> thirdparty.cached
-	echo.
-	echo Thirdparty libraries installed.
-	echo.
-) else (
-	echo.
-	echo Last build date of thirdparty cache is
-	type thirdparty.cached
-	echo.
-)
-
-goto exit
-
-:error
-set exitcode=%errorlevel%
-
-:exit
-exit /b %exitcode%
diff --git a/action-install-windows.bat b/action-install-windows.bat
index 09c777d16..bbab6d028 100644
--- a/action-install-windows.bat
+++ b/action-install-windows.bat
@@ -6,10 +6,10 @@ pushd C:\Libraries
 popd C:\Libraries
 set BOOST_ROOT=C:\Libraries\boost_%boost_version%
 
-call action-build-boost.bat
+call build.bat boost
 if errorlevel 1 goto error
 
-call action-build-thirdparty.bat
+call build.bat thirdparty
 if errorlevel 1 goto error
 
 if defined RIME_PLUGINS (