diff --git a/Project.toml b/Project.toml
index 7c950eb..19fffde 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ExtendedKronigPennyMatrix"
 uuid = "0edef5b7-0e89-49b4-9493-3bcd9a743ed9"
 authors = ["Hiroharu Sugawara <hsugawa@gmail.com>"]
-version = "0.6.1"
+version = "0.6.2"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/src/ExtendedKronigPennyMatrix.jl b/src/ExtendedKronigPennyMatrix.jl
index ca0d002..d0ef709 100644
--- a/src/ExtendedKronigPennyMatrix.jl
+++ b/src/ExtendedKronigPennyMatrix.jl
@@ -1,9 +1,6 @@
-
-__precompile__(true)
+module ExtendedKronigPennyMatrix
 
 using LinearAlgebra
-
-module ExtendedKronigPennyMatrix
 using Unitful
 
 include("basic.jl")