diff --git a/appveyor.yml b/appveyor.yml
index 5416fcc788..7d7aa35a86 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -52,7 +52,6 @@ environment:
   - TOOLSET: mingw
   - TOOLSET: msys2
     MSYSTEM: MINGW32
-  - TOOLSET: cygwin
   - TOOLSET: cmake
     GENERATOR: 'Visual Studio 12'
     SHARED: ON