diff --git a/pkgs/development/compilers/mono/generic-cmake.nix b/pkgs/development/compilers/mono/generic-cmake.nix
index 9665f5006ed..12f833f5525 100644
--- a/pkgs/development/compilers/mono/generic-cmake.nix
+++ b/pkgs/development/compilers/mono/generic-cmake.nix
@@ -86,7 +86,5 @@ stdenv.mkDerivation rec {
     platforms = with platforms; darwin ++ linux;
     maintainers = with maintainers; [ thoughtpolice obadz vrthra ];
     license = licenses.free; # Combination of LGPL/X11/GPL ?
-    # 2018-08-21: mono 5.x is broken on aarch64 since at least 2017-07-06
-    broken = stdenv.isAarch64 && (versionAtLeast version "5");
   };
 }