1 files changed, 7 insertions, 12 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb
index eda9694614..40821fd619 100644
--- a/activesupport/lib/active_support/core_ext/object/instance_variables.rb
+++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb
@@ -1,6 +1,6 @@
 class Object
-  # Returns a hash that maps instance variable names without "@" to their
-  # corresponding values. Keys are strings both in Ruby 1.8 and 1.9.
+  # Returns a hash with string keys that maps instance variable names without "@" to their
+  # corresponding values.
   #
   #   class C
   #     def initialize(x, y)
@@ -9,12 +9,11 @@ class Object
   #   end
   #
   #   C.new(0, 1).instance_values # => {"x" => 0, "y" => 1}
-  def instance_values #:nodoc:
-    Hash[instance_variables.map { |name| [name.to_s[1..-1], instance_variable_get(name)] }]
+  def instance_values
+    Hash[instance_variables.map { |name| [name[1..-1], instance_variable_get(name)] }]
   end
 
-  # Returns an array of instance variable names including "@". They are strings
-  # both in Ruby 1.8 and 1.9.
+  # Returns an array of instance variable names including "@".
   #
   #   class C
   #     def initialize(x, y)
@@ -23,11 +22,7 @@ class Object
   #   end
   #
   #   C.new(0, 1).instance_variable_names # => ["@y", "@x"]
-  if RUBY_VERSION >= '1.9'
-    def instance_variable_names
-      instance_variables.map { |var| var.to_s }
-    end
-  else
-    alias_method :instance_variable_names, :instance_variables
+  def instance_variable_names
+    instance_variables.map { |var| var.to_s }
   end
 end