diff --git a/lib/env.ml~ b/lib/env.ml~
deleted file mode 100644
index 9a40e19..0000000
--- a/lib/env.ml~
+++ /dev/null
@@ -1,28 +0,0 @@
-let env_set_local env s v =
-  match env with
-  | [] -> ()
-  | e1 :: _ -> Hashtbl.replace e1 s v
-
-let rec env_update env s v =
-  match env with
-  | [] -> ()
-  | e1 :: erest ->
-     match Hashtbl.find_opt e1 s with
-     | None -> env_update erest s v
-     | Some _ -> Hashtbl.replace e1 s v
-
-let env_new_lexical env = 
-  let h = Hashtbl.create 16 in
-  h :: env
-
-let rec env_root (env : environment) =
-  match env with
-  | [] -> raise (Invalid_argument "Empty environment passed to env_root!")
-  | e :: [] -> e
-  | _ :: t -> env_root t
-
-let env_set_global env s v =
-  Hashtbl.replace (env_root env) s v
-
-let env_copy env =
-  List.map Hashtbl.copy env