diff --git a/doc/contributing.rdoc b/doc/contributing.rdoc
index 2229933..93263c5 100644
--- a/doc/contributing.rdoc
+++ b/doc/contributing.rdoc
@@ -291,7 +291,6 @@ libraries, but these are not required:
 * Tcl/Tk
 * NDBM/QDBM
 * GDBM
-* Ncurses (or something)
 * OpenSSL
 * readline/editline(libedit)
 * zlib
diff --git a/doc/contributors.rdoc b/doc/contributors.rdoc
index 99b3079..96fe887 100644
--- a/doc/contributors.rdoc
+++ b/doc/contributors.rdoc
@@ -323,7 +323,6 @@ Shugo Maeda (shugo)
   * monitor.rb
   * net/ftp
   * net/imap
-  * curses
 
 Stephan Maka (mathew)
 * documentation
diff --git a/doc/maintainers.rdoc b/doc/maintainers.rdoc
index 103cecf..82b8004 100644
--- a/doc/maintainers.rdoc
+++ b/doc/maintainers.rdoc
@@ -245,8 +245,6 @@ Zachary Scott (zzak)
   * 1.9: Koichi Sasada (ko1)
 [ext/coverage]
   Yusuke Endoh (mame)
-[ext/curses]
-  Shugo Maeda (shugo)
 [ext/dbm]
   _unmaintained_
 [ext/digest, ext/digest/*]
diff --git a/doc/standard_library.rdoc b/doc/standard_library.rdoc
index e94727f..4486357 100644
--- a/doc/standard_library.rdoc
+++ b/doc/standard_library.rdoc
@@ -92,7 +92,6 @@ YAML:: Ruby client library for the Psych YAML implementation
 
 BigDecimal:: Provides arbitrary-precision floating point decimal arithmetic
 Coverage:: Provides coverage measurement for Ruby
-Curses:: Implements the CRT screen handling and optimization library
 Date:: A subclass of Object includes Comparable module for handling dates
 DateTime:: Subclass of Date to handling dates, hours, minutes, seconds, offsets
 DBM:: Provides a wrapper for the UNIX-style Database Manager Library
diff --git a/doc/syntax/modules_and_classes.rdoc b/doc/syntax/modules_and_classes.rdoc
index f4ab1ea..a82a6f2 100644
--- a/doc/syntax/modules_and_classes.rdoc
+++ b/doc/syntax/modules_and_classes.rdoc
@@ -4,8 +4,8 @@ Modules serve two purposes in Ruby, namespacing and mix-in functionality.
 
 A namespace can be used to organize code by package or functionality that
 separates common names from interference by other packages.  For example, the
-Curses namespace provides functionality for curses that prevents a collision
-for the common name "Window".
+IRB namespace provides functionality for irb that prevents a collision
+for the common name "Context".
 
 Mix-in functionality allows sharing common methods across multiple classes or
 modules.  Ruby comes with the Enumerable mix-in module which provides many
diff --git a/encoding.c b/encoding.c
index fa6e5af..aede0fb 100644
--- a/encoding.c
+++ b/encoding.c
@@ -1458,7 +1458,6 @@ rb_enc_default_internal(void)
  * * File names from Dir
  * * Integer#chr
  * * String#inspect and Regexp#inspect
- * * Strings returned from Curses
  * * Strings returned from Readline
  * * Strings returned from SDBM
  * * Time#zone