DEPRECATION WARNING

[ckgagan]

I am getting deprecation warning when using this plugin with rails 3.1.3 I get following warning

DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from emits_pfeeds at /Users/gagan/Dev/proj/vendor/plugins/pfeed/lib/pfeed.rb:20)
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from emits_pfeeds at /Users/gagan/Dev/proj/vendor/plugins/pfeed/lib/pfeed.rb:20)
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from emits_pfeeds at /Users/gagan/Dev/proj/vendor/plugins/pfeed/lib/pfeed.rb:24)
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from emits_pfeeds at /Users/gagan/Dev/proj/vendor/plugins/pfeed/lib/pfeed.rb:24)
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from receives_pfeed at /Users/gagan/Dev/proj/vendor/plugins/pfeed/lib/pfeed.rb:69)

How do i remove this deprecation warning..