diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 110902b5905918fb2ea84334c4575d1c3f230edf..450ea5cb3366477266475c2051d76668892365a4 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -2252,12 +2252,12 @@ def becomes(klass)
         end
       end
 
-      # Updates a single attribute and saves the record. This is especially useful for boolean flags on existing records.
-      # Note: This method is overwritten by the Validation module that'll make sure that updates made with this method
-      # aren't subjected to validation checks. Hence, attributes can be updated even if the full object isn't valid.
+      # Updates a single attribute and saves the record without going through the normal validation procedure.
+      # This is especially useful for boolean flags on existing records. The regular +update_attribute+ method
+      # in Base is replaced with this when the validations module is mixed in, which it is by default.
       def update_attribute(name, value)
         send(name.to_s + '=', value)
-        save
+        save(false)
       end
 
       # Updates all the attributes from the passed-in Hash and saves the record. If the object is invalid, the saving will
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb
index c97aafb1261e1c09fb53cedc9e3392c5b25e45d9..c4e370d01709ddb3518c65fa56dfbd830a9040f2 100755
--- a/activerecord/lib/active_record/validations.rb
+++ b/activerecord/lib/active_record/validations.rb
@@ -277,7 +277,6 @@ def self.included(base) # :nodoc:
       base.class_eval do
         alias_method_chain :save, :validation
         alias_method_chain :save!, :validation
-        alias_method_chain :update_attribute, :validation_skipping
       end
 
       base.send :include, ActiveSupport::Callbacks
@@ -914,14 +913,6 @@ def save_with_validation!
       end
     end
 
-    # Updates a single attribute and saves the record without going through the normal validation procedure.
-    # This is especially useful for boolean flags on existing records. The regular +update_attribute+ method
-    # in Base is replaced with this when the validations module is mixed in, which it is by default.
-    def update_attribute_with_validation_skipping(name, value)
-      send(name.to_s + '=', value)
-      save(false)
-    end
-
     # Runs +validate+ and +validate_on_create+ or +validate_on_update+ and returns true if no errors were added otherwise false.
     def valid?
       errors.clear
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 9d549eaae1c60c73ce25d9fc97dcdfa657524e80..47bd6e1767caf3f4db707c79cc2da0bcc59ae1ff 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -15,7 +15,7 @@ module Inflector
     # A singleton instance of this class is yielded by Inflector.inflections, which can then be used to specify additional
     # inflection rules. Examples:
     #
-    #   Inflector.inflections do |inflect|
+    #   ActiveSupport::Inflector.inflections do |inflect|
     #     inflect.plural /^(ox)$/i, '\1\2en'
     #     inflect.singular /^(ox)en/i, '\1'
     #
@@ -97,7 +97,7 @@ def clear(scope = :all)
     # inflector rules.
     #
     # Example:
-    #   Inflector.inflections do |inflect|
+    #   ActiveSupport::Inflector.inflections do |inflect|
     #     inflect.uncountable "rails"
     #   end
     def inflections
diff --git a/railties/lib/rails/gem_dependency.rb b/railties/lib/rails/gem_dependency.rb
index 30bdf416fca15f8c3975721739d85fb97acdd52a..4cac7f725a2314b64dfc534aab691fefed136512 100644
--- a/railties/lib/rails/gem_dependency.rb
+++ b/railties/lib/rails/gem_dependency.rb
@@ -98,27 +98,26 @@ def ==(other)
       self.name == other.name && self.requirement == other.requirement
     end
 
-private ###################################################################
-
     def specification
       @spec ||= Gem.source_index.search(Gem::Dependency.new(@name, @requirement)).sort_by { |s| s.version }.last
     end
 
-    def gem_command
-      RUBY_PLATFORM =~ /win32/ ? 'gem.bat' : 'gem'
-    end
+    private
+      def gem_command
+        RUBY_PLATFORM =~ /win32/ ? 'gem.bat' : 'gem'
+      end
 
-    def install_command
-      cmd = %w(install) << @name
-      cmd << "--version" << %("#{@requirement.to_s}") if @requirement
-      cmd << "--source"  << @source  if @source
-      cmd
-    end
+      def install_command
+        cmd = %w(install) << @name
+        cmd << "--version" << %("#{@requirement.to_s}") if @requirement
+        cmd << "--source"  << @source  if @source
+        cmd
+      end
 
-    def unpack_command
-      cmd = %w(unpack) << @name
-      cmd << "--version" << %("#{@requirement.to_s}") if @requirement
-      cmd
-    end
+      def unpack_command
+        cmd = %w(unpack) << @name
+        cmd << "--version" << %("#{@requirement.to_s}") if @requirement
+        cmd
+      end
   end
 end