diff --git a/.appveyor.yml b/.appveyor.yml
index 440a47f39..b800cb944 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -29,34 +29,34 @@ environment:
   - CHANNEL: 1.31.0
     ARCH: i686
     ABI: msvc
-  # "msvc" ABI
-  - CHANNEL: stable
-    ARCH: i686
-    ABI: msvc
-  - CHANNEL: stable
-    ARCH: x86_64
-    ABI: msvc
+  # # "msvc" ABI
+  # - CHANNEL: stable
+  #   ARCH: i686
+  #   ABI: msvc
+  # - CHANNEL: stable
+  #   ARCH: x86_64
+  #   ABI: msvc
 #   - CHANNEL: beta
 #     ARCH: i686
 #     ABI: msvc
 #   - CHANNEL: beta
 #     ARCH: x86_64
 #     ABI: msvc
-  - CHANNEL: nightly
-    ARCH: i686
-    ABI: msvc
-    FEATURES: "windows nightly"
-  - CHANNEL: nightly
-    ARCH: x86_64
-    ABI: msvc
-    FEATURES: "windows nightly"
+  # - CHANNEL: nightly
+  #   ARCH: i686
+  #   ABI: msvc
+  #   FEATURES: "windows nightly"
+  # - CHANNEL: nightly
+  #   ARCH: x86_64
+  #   ABI: msvc
+  #   FEATURES: "windows nightly"
   # "gnu" ABI
-  - CHANNEL: stable
-    ARCH: i686
-    ABI: gnu
-  - CHANNEL: stable
-    ARCH: x86_64
-    ABI: gnu
+  # - CHANNEL: stable
+  #   ARCH: i686
+  #   ABI: gnu
+  # - CHANNEL: stable
+  #   ARCH: x86_64
+  #   ABI: gnu
 #   - CHANNEL: beta
 #     ARCH: i686
 #     ABI: gnu
@@ -71,11 +71,11 @@ environment:
 #     ABI: gnu
 #     FEATURES: "windows nightly"
   # * specific gnu compilers
-  - CHANNEL: stable
-    ARCH: i686
-    ABI: gnu
-    MINGW_URL: https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.9.2/threads-win32/dwarf/i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z/download
-    MINGW_ARCHIVE: i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z
+  # - CHANNEL: stable
+  #   ARCH: i686
+  #   ABI: gnu
+  #   MINGW_URL: https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.9.2/threads-win32/dwarf/i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z/download
+  #   MINGW_ARCHIVE: i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z
   - CHANNEL: stable
     ARCH: x86_64
     ABI: gnu