diff --git a/CMakeLists.txt b/CMakeLists.txt
index f1143ea24..fcebcdac9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,8 @@
 cmake_minimum_required(VERSION 3.16.3) # Ubuntu 20.04 LTS default
 
 execute_process(
-  COMMAND head -c -1 ${CMAKE_CURRENT_SOURCE_DIR}/VERSION
+  COMMAND cat ${CMAKE_CURRENT_SOURCE_DIR}/VERSION
+  COMMAND tr -d "\n"
   OUTPUT_VARIABLE CURRENT_VERSION)
 
 project(meevax DESCRIPTION "A programmable programming language"
@@ -43,28 +44,31 @@ else()
   set(${PROJECT_NAME}_BYTE_ORDER "little-endian")
 endif()
 
+execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --digit-value OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_DIGIT_VALUE)
+execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --downcase    OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_DOWNCASE)
+execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --property    OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_PROPERTY)
+execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --upcase      OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_UPCASE)
+
 execute_process(
   COMMAND head -c -1 ${CMAKE_CURRENT_SOURCE_DIR}/configure/help.txt
   OUTPUT_VARIABLE ${PROJECT_NAME}_HELP)
 
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/digit_value.hpp "${${PROJECT_NAME}_UNICODE_DIGIT_VALUE}")
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/downcase.hpp    "${${PROJECT_NAME}_UNICODE_DOWNCASE}")
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/property.hpp    "${${PROJECT_NAME}_UNICODE_PROPERTY}")
+file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/upcase.hpp      "${${PROJECT_NAME}_UNICODE_UPCASE}")
+
 string(TOLOWER ${CMAKE_SYSTEM_NAME} ${PROJECT_NAME}_SYSTEM_NAME)
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/configure/README.md   ${CMAKE_CURRENT_SOURCE_DIR}/README.md)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/configure/version.cpp ${CMAKE_CURRENT_SOURCE_DIR}/src/kernel/version.cpp)
 
-# ---- Target unicode ----------------------------------------------------------
-
-add_custom_target(unicode
-  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/configure/UnicodeData.cmake)
-
 # ---- Target kernel -----------------------------------------------------------
 
 add_library(kernel SHARED)
 
 add_library(${PROJECT_NAME}::kernel ALIAS kernel)
 
-add_dependencies(kernel unicode)
-
 file(GLOB_RECURSE ${PROJECT_NAME}_KERNEL_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/*/*.cpp)
 
 target_sources(kernel PRIVATE ${${PROJECT_NAME}_KERNEL_SOURCES})
@@ -76,11 +80,10 @@ target_include_directories(kernel PUBLIC
 target_link_libraries(kernel PRIVATE ${CMAKE_DL_LIBS}
                              PUBLIC gmp)
 
-set_target_properties(kernel PROPERTIES
-  OUTPUT_NAME ${PROJECT_NAME} # Rename libkernel => libmeevax
-  VERSION     ${PROJECT_VERSION}
-  SOVERSION   ${PROJECT_VERSION_MAJOR}
-  LINK_FLAGS_RELEASE -s)
+set_target_properties(kernel PROPERTIES OUTPUT_NAME ${PROJECT_NAME} # Rename libkernel => libmeevax
+                                        VERSION     ${PROJECT_VERSION}
+                                        SOVERSION   ${PROJECT_VERSION_MAJOR}
+                                        LINK_FLAGS_RELEASE -s)
 
 # ---- Target format -----------------------------------------------------------
 
@@ -94,7 +97,7 @@ target_link_libraries(format PRIVATE kernel)
 
 add_custom_target(basis
   DEPENDS format
-  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/configure/basis.cmake)
+  COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/basis/configure.cmake)
 
 # ---- Target shell ------------------------------------------------------------
 
@@ -106,9 +109,8 @@ target_sources(shell PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp)
 
 target_link_libraries(shell PRIVATE kernel)
 
-set_target_properties(shell PROPERTIES
-  OUTPUT_NAME ${PROJECT_NAME} # Rename shell => meevax
-  LINK_FLAGS_RELEASE -s)
+set_target_properties(shell PROPERTIES OUTPUT_NAME ${PROJECT_NAME} # Rename shell => meevax
+                                       LINK_FLAGS_RELEASE -s)
 
 # ---- CMake Package -----------------------------------------------------------
 
diff --git a/README.md b/README.md
index 36b4100cf..ba8f129fc 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Subset of R7RS-small.
 cmake -B build -DCMAKE_BUILD_TYPE=Release
 cd build
 make package
-sudo apt install build/meevax_0.4.819_amd64.deb
+sudo apt install build/meevax_0.4.818_amd64.deb
 ```
 
 or
@@ -106,9 +106,9 @@ sudo rm -rf /usr/local/share/meevax
 
 | Target Name | Description
 |-------------|-------------
-| `all`       | Build shared-library `libmeevax.0.4.819.so` and executable `meevax`
+| `all`       | Build shared-library `libmeevax.0.4.818.so` and executable `meevax`
 | `test`      | Test executable `meevax`
-| `package`   | Generate debian package `meevax_0.4.819_amd64.deb`
+| `package`   | Generate debian package `meevax_0.4.818_amd64.deb`
 | `install`   | Copy files into `/usr/local` directly
 
 ## Usage
diff --git a/VERSION b/VERSION
index 3ecb492b4..e0f4e0ff5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.819
+0.4.818
diff --git a/configure/basis.cmake b/basis/configure.cmake
similarity index 100%
rename from configure/basis.cmake
rename to basis/configure.cmake
diff --git a/configure/UnicodeData.cmake b/configure/UnicodeData.cmake
deleted file mode 100644
index 007bc39ca..000000000
--- a/configure/UnicodeData.cmake
+++ /dev/null
@@ -1,14 +0,0 @@
-execute_process(
-  COMMAND git rev-parse --show-toplevel
-  COMMAND tr -d "\n"
-  OUTPUT_VARIABLE TOPLEVEL)
-
-execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --digit-value OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_DIGIT_VALUE)
-execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --downcase    OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_DOWNCASE)
-execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --property    OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_PROPERTY)
-execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/script/unicode.sh --upcase      OUTPUT_VARIABLE ${PROJECT_NAME}_UNICODE_UPCASE)
-
-file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/digit_value.hpp "${${PROJECT_NAME}_UNICODE_DIGIT_VALUE}")
-file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/downcase.hpp    "${${PROJECT_NAME}_UNICODE_DOWNCASE}")
-file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/property.hpp    "${${PROJECT_NAME}_UNICODE_PROPERTY}")
-file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/upcase.hpp      "${${PROJECT_NAME}_UNICODE_UPCASE}")