diff --git a/ChangeLog b/ChangeLog
index b1c2c06d2e7e92..8b2b749a9747f4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Dec 31 00:46:25 2006  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* lib/date2.rb: removed.
+
 Sun Dec 31 00:15:13 2006  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date.rb, lib/date/format.rb: updated based on date2 4.0.
diff --git a/lib/README b/lib/README
index 19d6309166b2f8..d2828205d56890 100644
--- a/lib/README
+++ b/lib/README
@@ -10,7 +10,6 @@ complex.rb	complex number suppor
 csv.rb		CSV parser/generator
 date.rb		date object
 date/format.rb	date parsing and formatting
-date2.rb	date object (obsolete; use date)
 debug.rb	ruby debugger
 delegate.rb	delegates messages to other object
 drb.rb		distributed Ruby
diff --git a/lib/date2.rb b/lib/date2.rb
deleted file mode 100644
index f7da78f650e368..00000000000000
--- a/lib/date2.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# date2 was overridden by date.
-# To be precise, date was overridden by date2,
-# and date2 was renamed to date.
-
-require 'date'