diff --git a/moffy-samples.cabal b/moffy-samples.cabal
--- a/moffy-samples.cabal
+++ b/moffy-samples.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           moffy-samples
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       Samples of moffy
 description:    Please see the README on GitHub at <https://github.com/YoshikuniJujo/moffy-samples#readme>
 category:       Control
@@ -29,7 +29,6 @@
   exposed-modules:
       Control.Moffy.Samples.Boxes
       Control.Moffy.Samples.Followbox
-      Lib
   other-modules:
       Paths_moffy_samples
   autogen-modules:
diff --git a/src/Lib.hs b/src/Lib.hs
deleted file mode 100644
--- a/src/Lib.hs
+++ /dev/null
@@ -1,6 +0,0 @@
-module Lib
-    ( someFunc
-    ) where
-
-someFunc :: IO ()
-someFunc = putStrLn "someFunc"