1 files changed, 0 insertions, 7 deletions
diff --git a/ext/psych/lib/psych.rb b/ext/psych/lib/psych.rb
index a582f56eb1..59f9712fcd 100644
--- a/ext/psych/lib/psych.rb
+++ b/ext/psych/lib/psych.rb
@@ -218,13 +218,6 @@ module Psych
     @domain_types[key] = [key, block]
   end
 
-  def self.add_ruby_type type_tag, &block
-    warn "#{caller[0]}: add_ruby_type is deprecated, use add_domain_type" if $VERBOSE && !caller[0].start_with?(File.dirname(__FILE__))
-    domain = 'ruby.yaml.org,2002'
-    key = ['tag', domain, type_tag].join ':'
-    @domain_types[key] = [key, block]
-  end
-
   def self.remove_type type_tag
     @domain_types.delete type_tag
   end