diff --git a/release.nix b/release.nix
index 44169d7ee1..11ed7a1c30 100644
--- a/release.nix
+++ b/release.nix
@@ -6,7 +6,7 @@ let
 
   pkgs = import <nixpkgs> {};
 
-  systems = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "x86_64-freebsd" "i686-freebsd" "i686-cygwin" "i686-solaris" ];
+  systems = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "x86_64-freebsd" "i686-freebsd" ];
 
 
   jobs = rec {