diff --git a/focus.cabal b/focus.cabal
--- a/focus.cabal
+++ b/focus.cabal
@@ -1,7 +1,7 @@
 name:
   focus
 version:
-  0.1.2
+  0.1.3
 synopsis:
   A general abstraction for manipulating elements of container data structures
 description:
@@ -50,15 +50,9 @@
 library
   hs-source-dirs:
     library
-  other-modules:
-    Focus.Prelude
   exposed-modules:
     Focus
   build-depends:
-    -- debugging:
-    loch-th == 0.2.*,
-    placeholders == 0.1.*,
-    -- general:
     base >= 4.5 && < 4.8
   default-extensions:
     Arrows, BangPatterns, ConstraintKinds, DataKinds, DefaultSignatures, DeriveDataTypeable, DeriveFunctor, DeriveGeneric, EmptyDataDecls, FlexibleContexts, FlexibleInstances, FunctionalDependencies, GADTs, GeneralizedNewtypeDeriving, ImpredicativeTypes, LambdaCase, LiberalTypeSynonyms, MagicHash, MultiParamTypeClasses, MultiWayIf, NoImplicitPrelude, NoMonomorphismRestriction, OverloadedStrings, PatternGuards, ParallelListComp, QuasiQuotes, RankNTypes, RecordWildCards, ScopedTypeVariables, StandaloneDeriving, TemplateHaskell, TupleSections, TypeFamilies, TypeOperators, UnboxedTuples
diff --git a/library/Focus.hs b/library/Focus.hs
--- a/library/Focus.hs
+++ b/library/Focus.hs
@@ -1,6 +1,7 @@
 module Focus where
 
-import Focus.Prelude hiding (adjust, update, alter, insert, delete, lookup)
+import Prelude hiding (adjust, update, alter, insert, delete, lookup)
+import Control.Monad
 
 
 -- |
diff --git a/library/Focus/Prelude.hs b/library/Focus/Prelude.hs
deleted file mode 100644
--- a/library/Focus/Prelude.hs
+++ /dev/null
@@ -1,65 +0,0 @@
-module Focus.Prelude
-( 
-  module Exports,
-  bug,
-  bottom,
-)
-where
-
--- base
--------------------------
-import Prelude as Exports hiding (concat, foldr, mapM_, sequence_, foldl1, maximum, minimum, product, sum, all, and, any, concatMap, elem, foldl, foldr1, notElem, or, mapM, sequence, FilePath, id, (.))
-import Control.Monad as Exports hiding (mapM_, sequence_, forM_, msum, mapM, sequence, forM)
-import Control.Applicative as Exports
-import Control.Arrow as Exports hiding (left, right)
-import Control.Category as Exports
-import Data.Monoid as Exports
-import Data.Foldable as Exports
-import Data.Traversable as Exports hiding (for)
-import Data.Maybe as Exports
-import Data.Either as Exports
-import Data.List as Exports hiding (concat, foldr, foldl1, maximum, minimum, product, sum, all, and, any, concatMap, elem, foldl, foldr1, notElem, or, find, maximumBy, minimumBy, mapAccumL, mapAccumR, foldl')
-import Data.Tuple as Exports
-import Data.Function as Exports hiding ((.), id)
-import Data.Ord as Exports (Down(..))
-import Data.String as Exports
-import Data.Int as Exports
-import Data.Word as Exports
-import Data.Ratio as Exports
-import Data.Bits as Exports
-import Data.Fixed as Exports
-import Data.Ix as Exports
-import Data.Data as Exports
-import Data.Bool as Exports
-import Text.Read as Exports (readMaybe, readEither)
-import Control.Exception as Exports hiding (tryJust, try, assert)
-import System.Mem as Exports
-import System.Mem.StableName as Exports
-import System.Timeout as Exports
-import System.Exit as Exports
-import System.IO.Unsafe as Exports
-import System.IO as Exports (Handle, hClose)
-import System.IO.Error as Exports
-import Unsafe.Coerce as Exports
-import GHC.Conc as Exports
-import GHC.Generics as Exports (Generic)
-import GHC.IO.Exception as Exports
-import GHC.Exts as Exports (lazy, inline)
-import Data.IORef as Exports
-import Data.STRef as Exports
-import Control.Monad.ST as Exports
-import Debug.Trace as Exports hiding (traceM)
-
--- placeholders
--------------------------
-import Development.Placeholders as Exports
-
--- custom
--------------------------
-import qualified Debug.Trace.LocationTH
-
-bug = [e| $(Debug.Trace.LocationTH.failure) . (msg <>) |]
-  where
-    msg = "A \"focus\" package bug: " :: String
-
-bottom = [e| $bug "Bottom evaluated" |]