diff --git a/appveyor.yml b/appveyor.yml
line changes: +20/-20
index 43552b3..643d62b
--- a/appveyor.yml
+++ b/appveyor.yml

@@ -60,26 +60,26 @@ environment:
 
 ### GNU Toolchains ###
 
-  # Stable 64-bit GNU
-    - channel: stable
-      target: x86_64-pc-windows-gnu
-  # Stable 32-bit GNU
-    - channel: stable
-      target: i686-pc-windows-gnu
-  # Beta 64-bit GNU
-    - channel: beta
-      target: x86_64-pc-windows-gnu
-  # Beta 32-bit GNU
-    - channel: beta
-      target: i686-pc-windows-gnu
-  # Nightly 64-bit GNU
-    - channel: nightly
-      target: x86_64-pc-windows-gnu
-      #cargoflags: --features "unstable"
-  # Nightly 32-bit GNU
-    - channel: nightly
-      target: i686-pc-windows-gnu
-      #cargoflags: --features "unstable"
+##  # Stable 64-bit GNU
+##    - channel: stable
+##      target: x86_64-pc-windows-gnu
+##  # Stable 32-bit GNU
+##    - channel: stable
+##      target: i686-pc-windows-gnu
+##  # Beta 64-bit GNU
+##    - channel: beta
+##      target: x86_64-pc-windows-gnu
+##  # Beta 32-bit GNU
+##    - channel: beta
+##      target: i686-pc-windows-gnu
+##  # Nightly 64-bit GNU
+##    - channel: nightly
+##      target: x86_64-pc-windows-gnu
+##      #cargoflags: --features "unstable"
+##  # Nightly 32-bit GNU
+##    - channel: nightly
+##      target: i686-pc-windows-gnu
+##      #cargoflags: --features "unstable"
 
 ### Allowed failures ###