diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,7 @@
 # Changelog for owoify-hs
 
+## 1.0.0.1
+- Remove executable and move HUnit to test-only dependency.
+
 ## 1.0.0.0
 - Initial release.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@
 
 ```yaml
 dependencies:
-- owoify-hs == 1.0.0
+- owoify-hs == 1.0.0.1
 ```
 
 If you are using Cabal, add the package the usual way.
diff --git a/app/Main.hs b/app/Main.hs
deleted file mode 100644
--- a/app/Main.hs
+++ /dev/null
@@ -1,13 +0,0 @@
-module Main where
-
-import Data.Owoify.Owoify (owoify, OwoifyLevel(..))
-import Data.Text.Lazy (pack, unpack)
-
-main :: IO ()
-main = do
-  owoResult <- owoify (pack "This is the string to owo! Kinda cute, isn't it?") Owo
-  uvuResult <- owoify (pack "This is the string to owo! Kinda cute, isn't it?") Uvu
-  helloWorld <- owoify (pack "Hello World") Owo
-  putStrLn $ unpack owoResult
-  putStrLn $ unpack uvuResult
-  putStrLn $ unpack helloWorld
diff --git a/owoify-hs.cabal b/owoify-hs.cabal
--- a/owoify-hs.cabal
+++ b/owoify-hs.cabal
@@ -1,6 +1,6 @@
 cabal-version:      1.12
 name:               owoify-hs
-version:            1.0.0.0
+version:            1.0.0.1
 license:            MIT
 license-file:       LICENSE
 copyright:          2021 Chehui Chou
@@ -35,23 +35,7 @@
     other-modules:    Paths_owoify_hs
     default-language: Haskell2010
     build-depends:
-        HUnit >=1.6.2.0 && <1.7,
         base >=4.7 && <5,
-        random >=1.2.0 && <1.3,
-        regex ==1.1.0.0,
-        regex-with-pcre ==1.1.0.0,
-        text >=1.2.4 && <1.3
-
-executable owoify-hs-exe
-    main-is:          Main.hs
-    hs-source-dirs:   app
-    other-modules:    Paths_owoify_hs
-    default-language: Haskell2010
-    ghc-options:      -threaded -rtsopts -with-rtsopts=-N
-    build-depends:
-        HUnit >=1.6.2.0 && <1.7,
-        base >=4.7 && <5,
-        owoify-hs -any,
         random >=1.2.0 && <1.3,
         regex ==1.1.0.0,
         regex-with-pcre ==1.1.0.0,