diff --git a/ChangeLog b/ChangeLog
index 74f9be4e..501bb8c1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 2014-04-03  Benno Schulenberg  <bensberg@justemail.net>
 	* configure.ac: Remove unused '*_support' variables.
 	* doc/syntax/po.nanorc: New file, syntax colouring for PO files.
+	* configure.ac: Stop --with-slang from duplicating --enable-tiny.
 
 2014-04-02  Benno Schulenberg  <bensberg@justemail.net>
 	* configure.ac, doc/Makefile.am: Try to build the info documentation
diff --git a/configure.ac b/configure.ac
index 552251ad..99c8c529 100644
--- a/configure.ac
+++ b/configure.ac
@@ -368,18 +368,6 @@ int main(void)
 	;;
     esac], [AC_MSG_RESULT(no)])
 
-if test x$CURSES_LIB_NAME = xslang; then
-    AC_DEFINE(NANO_TINY, 1, [Define this to make the nano executable as small as possible.])
-    AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in file browser.])
-    AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the help text display.])
-    AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
-    AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse support.])
-    AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable the setting of the operating directory (chroot of sorts).])
-    AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the spell checker functions.])
-    AC_DEFINE(DISABLE_TABCOMP, 1, [Define this to disable the tab completion functions for files and search strings.])
-    AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable all text wrapping.])
-fi
-
 AM_CONDITIONAL(USE_COLOR, test x$color_support = xyes)
 AM_CONDITIONAL(USE_NANORC, test x$nanorc_support = xyes)