diff --git a/.gitignore b/.gitignore
index 92b4484..a737a3a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.class
 *.zip
+*.jar
 bin/
 dist/**
 classes/
diff --git a/dist/lib/hayashi.jar b/dist/lib/hayashi.jar
index 743cb4b..e27b8b3 100644
--- a/dist/lib/hayashi.jar
+++ b/dist/lib/hayashi.jar
Binary files differ
diff --git a/lib/hayashi_0225.jar b/lib/hayashi_0225.jar
deleted file mode 100644
index 00ad366..0000000
--- a/lib/hayashi_0225.jar
+++ /dev/null
Binary files differ