diff --git a/master/custom/builders.py b/master/custom/builders.py
index 5120315ac..53a978be1 100644
--- a/master/custom/builders.py
+++ b/master/custom/builders.py
@@ -102,12 +102,9 @@ def get_builders(settings):
         ("AMD64 FreeBSD Non-Debug", "koobs-freebsd-9e36", SlowNonDebugUnixBuild, STABLE),
         ("AMD64 FreeBSD Shared", "koobs-freebsd-564d", SlowSharedUnixBuild, STABLE),
         # Windows
-        ("AMD64 Windows7 SP1", "kloth-win64", Windows64Build, STABLE),
-        ("AMD64 Windows7 SP1 VS9.0", "kloth-win64", Windows6427VS9Build, STABLE),
         ("AMD64 Windows10", "bolen-windows10", Windows64Build, STABLE),
         ("AMD64 Windows8.1 Non-Debug", "ware-win81-release", Windows64ReleaseBuild, STABLE),
         ("AMD64 Windows8.1 Refleaks", "ware-win81-release", Windows64RefleakBuild, STABLE),
-        ("x86 Windows7", "bolen-windows7", SlowWindowsBuild, STABLE),
         ("x86 Windows XP", "bolen-windows", WindowsBuild, STABLE),
         ("x86 Windows XP VS9.0", "bolen-windows", Windows27VS9Build, STABLE),
         # -- Unstable builders --
@@ -169,6 +166,10 @@ def get_builders(settings):
         # Windows
         ("ARM32 Windows10 1903", "monson-win-arm32", WindowsArm32Build, UNSTABLE),
         ("ARM32 Windows10 1903 Non-Debug", "monson-win-arm32", WindowsArm32ReleaseBuild, UNSTABLE),
+        # Unsupported Windows
+        ("AMD64 Windows7 SP1", "kloth-win64", Windows64Build, UNSTABLE),
+        ("AMD64 Windows7 SP1 VS9.0", "kloth-win64", Windows6427VS9Build, UNSTABLE),
+        ("x86 Windows7", "bolen-windows7", SlowWindowsBuild, UNSTABLE),
     ]