diff --git a/README.md b/README.md
index 922c669..bedcb5d 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,10 @@
-Embulk Utilities for Ruby Time
-===============================
-
-Almost Ruby-compatible date-time processor for Embulk and Embulk plugins.
+Almost Ruby-compatible date-time processor for Embulk and Embulk plugins
+=========================================================================
For Embulk plugin developers
-----------------------------
-* [Javadoc](https://dev.embulk.org/embulk-util-config/)
+* [Javadoc](https://dev.embulk.org/embulk-util-rubytime/)
For Maintainers
----------------
diff --git a/build.gradle b/build.gradle
index f1d43ef..e115779 100644
--- a/build.gradle
+++ b/build.gradle
@@ -134,7 +134,6 @@ javadoc {
options {
locale = "en_US"
encoding = "UTF-8"
- overview = "src/main/html/overview.html"
links "https://docs.oracle.com/javase/8/docs/api/"
}
}
diff --git a/src/main/html/overview.html b/src/main/html/overview.html
deleted file mode 100644
index a2dd6c3..0000000
--- a/src/main/html/overview.html
+++ /dev/null
@@ -1,11 +0,0 @@
-
-
-
-
- Embulk Utilities for Ruby Time
-
-
- Almost Ruby-compatible date-time processor for Embulk and Embulk plugins.
- Note that this version does not guarantee any forward compatibility yet.
-
-