diff --git a/doc/intro.txt b/doc/intro.txt
index b3482bf8..338a2596 100644
--- a/doc/intro.txt
+++ b/doc/intro.txt
@@ -74,7 +74,6 @@ CCFQueue
 CCFlatHashtbl
 CCHashSet
 CCHashTrie
-CCImmutArray
 CCIntMap
 CCMixmap
 CCMixset