diff --git a/actionpack/lib/action_view/paths.rb b/actionpack/lib/action_view/paths.rb
index 6a118a1cfa..d6bf2137af 100644
--- a/actionpack/lib/action_view/paths.rb
+++ b/actionpack/lib/action_view/paths.rb
@@ -1,5 +1,5 @@
 module ActionView #:nodoc:
-  class PathSet < ActiveSupport::TypedArray #:nodoc:
+  class PathSet < Array #:nodoc:
     def self.type_cast(obj)
       if obj.is_a?(String)
         if Base.warn_cache_misses && defined?(Rails) && Rails.initialized?
@@ -15,6 +15,30 @@ module ActionView #:nodoc:
       end
     end
 
+    def initialize(*args)
+      super(*args).map! { |obj| self.class.type_cast(obj) }
+    end
+
+    def <<(obj)
+      super(self.class.type_cast(obj))
+    end
+
+    def concat(array)
+      super(array.map! { |obj| self.class.type_cast(obj) })
+    end
+
+    def insert(index, obj)
+      super(index, self.class.type_cast(obj))
+    end
+
+    def push(*objs)
+      super(*objs.map { |obj| self.class.type_cast(obj) })
+    end
+
+    def unshift(*objs)
+      super(*objs.map { |obj| self.class.type_cast(obj) })
+    end
+
     class Path #:nodoc:
       def self.eager_load_templates!
         @eager_load_templates = true
diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb
index 51067e910e..1df911a3f2 100644
--- a/activesupport/lib/active_support.rb
+++ b/activesupport/lib/active_support.rb
@@ -39,7 +39,6 @@ require 'active_support/cache'
 require 'active_support/dependencies'
 require 'active_support/deprecation'
 
-require 'active_support/typed_array'
 require 'active_support/ordered_hash'
 require 'active_support/ordered_options'
 require 'active_support/option_merger'
diff --git a/activesupport/lib/active_support/typed_array.rb b/activesupport/lib/active_support/typed_array.rb
deleted file mode 100644
index 1a4d8a8faf..0000000000
--- a/activesupport/lib/active_support/typed_array.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-module ActiveSupport
-  class TypedArray < Array
-    def self.type_cast(obj)
-      obj
-    end
-
-    def initialize(*args)
-      super(*args).map! { |obj| self.class.type_cast(obj) }
-    end
-
-    def <<(obj)
-      super(self.class.type_cast(obj))
-    end
-
-    def concat(array)
-      super(array.map! { |obj| self.class.type_cast(obj) })
-    end
-
-    def insert(index, obj)
-      super(index, self.class.type_cast(obj))
-    end
-
-    def push(*objs)
-      super(*objs.map { |obj| self.class.type_cast(obj) })
-    end
-
-    def unshift(*objs)
-      super(*objs.map { |obj| self.class.type_cast(obj) })
-    end
-  end
-end
diff --git a/activesupport/test/typed_array_test.rb b/activesupport/test/typed_array_test.rb
deleted file mode 100644
index 023f3a1b84..0000000000
--- a/activesupport/test/typed_array_test.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-require 'abstract_unit'
-
-class TypedArrayTest < Test::Unit::TestCase
-  class StringArray < ActiveSupport::TypedArray
-    def self.type_cast(obj)
-      obj.to_s
-    end
-  end
-
-  def setup
-    @array = StringArray.new
-  end
-
-  def test_string_array_initialize
-    assert_equal ["1", "2", "3"], StringArray.new([1, "2", :"3"])
-  end
-
-  def test_string_array_append
-    @array << 1
-    @array << "2"
-    @array << :"3"
-    assert_equal ["1", "2", "3"], @array
-  end
-
-  def test_string_array_concat
-    @array.concat([1, "2"])
-    @array.concat([:"3"])
-    assert_equal ["1", "2", "3"], @array
-  end
-
-  def test_string_array_insert
-    @array.insert(0, 1)
-    @array.insert(1, "2")
-    @array.insert(2, :"3")
-    assert_equal ["1", "2", "3"], @array
-  end
-
-  def test_string_array_push
-    @array.push(1)
-    @array.push("2")
-    @array.push(:"3")
-    assert_equal ["1", "2", "3"], @array
-  end
-
-  def test_string_array_unshift
-    @array.unshift(:"3")
-    @array.unshift("2")
-    @array.unshift(1)
-    assert_equal ["1", "2", "3"], @array
-  end
-end