diff --git a/krebs/4lib/default.nix b/krebs/4lib/default.nix
index f15514fe3..0a6101314 100644
--- a/krebs/4lib/default.nix
+++ b/krebs/4lib/default.nix
@@ -3,13 +3,8 @@
 with builtins;
 with lib;
 
-let
-  maybe = import ./maybe.nix { inherit lib; };
-in
-
 builtins //
 lib //
-maybe //
 rec {
 
   eq = x: y: x == y;
diff --git a/krebs/4lib/maybe.nix b/krebs/4lib/maybe.nix
deleted file mode 100644
index 5189c99a1..000000000
--- a/krebs/4lib/maybe.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ ... }:
-
-rec {
-  Just = x: { type = "maybe"; value = x; };
-  Nothing = { type = "maybe"; };
-  isMaybe = x: builtins.typeOf x == "set" && x.type or false == "maybe";
-  isJust = x: isMaybe x && builtins.hasAttr "value" x;
-  fromJust = x: assert isJust x; x.value;
-  catMaybes = xs: map fromJust (builtins.filter isJust xs);
-}