diff --git a/pkgs/applications/graphics/ao/default.nix b/pkgs/applications/graphics/ao/default.nix
deleted file mode 100644
index f51777bdbf73..000000000000
--- a/pkgs/applications/graphics/ao/default.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-{stdenv, fetchgit, cmake, ninja, boost, libpng, glfw3, epoxy, guile, pkgconfig
-, libGLU_combined, libX11, libpthreadstubs, libXau, libXdmcp, libXrandr, libXext
-, libXinerama, libXxf86vm, libXcursor, libXfixes
-}:
-stdenv.mkDerivation rec {
-  version = "0.0pre20160820";
-  name = "ao-${version}";
-
-  nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [
-    cmake ninja boost libpng glfw3 epoxy guile libGLU_combined libX11 
-    libpthreadstubs libXau libXdmcp libXrandr libXext libXinerama libXxf86vm
-    libXcursor libXfixes
-  ];
-
-  src = fetchgit {
-    url = https://github.com/mkeeter/ao;
-    rev = "69fadb81543cc9031e4a7ec2036c7f2ab505a620";
-    sha256 = "1717k72vr0i5j7bvxmd6q16fpvkljnqfa1hr3i4yq8cjdsj69my7";
-  };
-
-  cmakeFlags = "-G Ninja";
-  installPhase = ''
-    ninja install
-    cd ..
-    cp lib/lib* bind/lib* "$out/lib"
-    cp -r bin "$out/bin"
-    mkdir "$out/doc"
-    cp -r doc "$out/doc/ao"
-    cp -r examples "$out/doc/ao/examples"
-    cp -r bind "$out/bind"
-  '';
-  meta = {
-    inherit version;
-    description = ''Homoiconic CAD package'';
-    license = stdenv.lib.licenses.gpl2Plus ; # Some parts can be extracted and used under LGPL2+
-    maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
-    broken = true; # 2018-04-10
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e1a5f4f65c1f..fff431c58e22 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15756,7 +15756,7 @@ with pkgs;
 
   antiword = callPackage ../applications/office/antiword {};
 
-  ao = callPackage ../applications/graphics/ao {};
+  ao = libfive;
 
   apache-directory-studio = callPackage ../applications/networking/apache-directory-studio {};