diff --git a/src/default.nix b/src/default.nix
index 916209d..bab8ba9 100644
--- a/src/default.nix
+++ b/src/default.nix
@@ -14,15 +14,7 @@ let
 in
 flops.lib.haumea.pops.default.setInit {
   src = ./.;
-  transformer = [
-    (
-      cursor: dir:
-      if (builtins.length cursor == 0 && (dir ? default)) then
-        removeAttrs dir [ "default" ]
-      else
-        dir
-    )
-  ];
+  transformer = [ (import ./lib/haumea/removeTopDefault.nix { }) ];
   inputs = {
     lib = (nixlib.lib.recursiveUpdate nixlib.lib inputs.self.lib) // builtins;
     haumea = haumea.lib;
diff --git a/src/lib/haumea/removeTopDefault.nix b/src/lib/haumea/removeTopDefault.nix
index db622d9..0221a1a 100644
--- a/src/lib/haumea/removeTopDefault.nix
+++ b/src/lib/haumea/removeTopDefault.nix
@@ -1,6 +1,5 @@
-{ lib }:
-cursor: dir:
-if (lib.length cursor == 0 && (dir ? default)) then
+_: cursor: dir:
+if (builtins.length cursor == 0 && (dir ? default)) then
   removeAttrs dir [ "default" ]
 else
   dir
diff --git a/units/std/defaultCellsFrom/dev/packages.nix b/units/std/defaultCellsFrom/dev/packages.nix
index a64d34b..55a9165 100644
--- a/units/std/defaultCellsFrom/dev/packages.nix
+++ b/units/std/defaultCellsFrom/dev/packages.nix
@@ -1 +1 @@
-cell.pops.packages.exports.derivations
+cell.pops.packages.exports.derivations or { }
diff --git a/units/std/defaultCellsFrom/prod/packages.nix b/units/std/defaultCellsFrom/prod/packages.nix
index a64d34b..55a9165 100644
--- a/units/std/defaultCellsFrom/prod/packages.nix
+++ b/units/std/defaultCellsFrom/prod/packages.nix
@@ -1 +1 @@
-cell.pops.packages.exports.derivations
+cell.pops.packages.exports.derivations or { }
diff --git a/units/std/mkContent.nix b/units/std/mkContent.nix
index ed0a979..c21671e 100644
--- a/units/std/mkContent.nix
+++ b/units/std/mkContent.nix
@@ -20,23 +20,28 @@ recursiveMerge [
       "aarch64-linux"
       "x86_64-linux"
     ];
-    cellBlocks = with std.blockTypes; [
-      (data "configs")
-      (data "data")
-      (installables "packages" { ci.build = true; })
-      # runnables
-      (runnables "scripts")
-      (runnables "tasks")
+    cellBlocks =
+      with std.blockTypes;
+      let
+        functions' = name: (functions name) // { cli = false; };
+      in
+      [
+        (data "configs")
+        (data "data")
+        (installables "packages" { ci.build = true; })
+        # runnables
+        (runnables "scripts")
+        (runnables "tasks")
 
-      (functions "devshellProfiles")
-      (devshells "shells")
-      (super.blockTypes.jupyenv "jupyenv")
+        (functions' "devshellProfiles")
+        (devshells "shells")
+        (super.blockTypes.jupyenv "jupyenv")
 
-      (nixago "nixago")
-      (containers "containers" { ci.publish = true; })
-      (functions "lib")
-      (functions "pops")
-    ];
+        (nixago "nixago")
+        (containers "containers" { ci.publish = true; })
+        (functions' "lib")
+        (functions' "pops")
+      ];
   }
   (lib.removeAttrs top [ "projectRoot" ])
 ]