diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile
index 6646e9cd05..fbccff5005 100644
--- a/railties/guides/source/active_support_core_extensions.textile
+++ b/railties/guides/source/active_support_core_extensions.textile
@@ -2053,16 +2053,6 @@ end
 
 NOTE: Defined in +active_support/core_ext/enumerable.rb+.
 
-h4. +pluck+
-
-The +pluck+ method collects the value of the passed method for each element and returns the result as an array.
-
-<ruby>
-people.pluck(:name) # => [ "David Heinemeier Hansson", "Jamie Heinemeier Hansson" ]
-</ruby>
-
-NOTE: Defined in +active_support/core_ext/enumerable.rb+.
-
 h4. +each_with_object+
 
 The +inject+ method offers iteration with an accumulator: