diff --git a/pkgs/all-packages.nix b/pkgs/all-packages.nix
index 27d5483..3233be2 100644
--- a/pkgs/all-packages.nix
+++ b/pkgs/all-packages.nix
@@ -2,16 +2,16 @@ self: pkgs: with pkgs; {
 
   cryptominisat = callPackage ./cryptominisat.nix { };
 
-  firedrake = callPackage ./firedrake { };
+  #firedrake = callPackage ./firedrake { };
 
-  meraculous = callPackage ./meraculous.nix { };
+  #meraculous = callPackage ./meraculous.nix { };
 
-  openfoam = callPackage ./openfoam.nix { };
+  #openfoam = callPackage ./openfoam.nix { };
 
   openslide = callPackage ./openslide { };
   openslide-python = callPackage ./openslide/python.nix { };
 
-  sumo = callPackage ./sumo.nix { };
+  #sumo = callPackage ./sumo.nix { };
 
   namd = callPackage ./namd.nix { };