1 files changed, 2 insertions, 10 deletions
diff --git a/activemodel/lib/active_model/attribute_set.rb b/activemodel/lib/active_model/attribute_set.rb
index a890ee3932..4679b33852 100644
--- a/activemodel/lib/active_model/attribute_set.rb
+++ b/activemodel/lib/active_model/attribute_set.rb
@@ -37,16 +37,8 @@ module ActiveModel
       attributes.each_key.select { |name| self[name].initialized? }
     end
 
-    if defined?(JRUBY_VERSION)
-      # This form is significantly faster on JRuby, and this is one of our biggest hotspots.
-      # https://github.com/jruby/jruby/pull/2562
-      def fetch_value(name, &block)
-        self[name].value(&block)
-      end
-    else
-      def fetch_value(name)
-        self[name].value { |n| yield n if block_given? }
-      end
+    def fetch_value(name, &block)
+      self[name].value(&block)
     end
 
     def write_from_database(name, value)