1 files changed, 6 insertions, 22 deletions
diff --git a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb
index 39b8cea807..234283e792 100644
--- a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb
@@ -1,31 +1,15 @@
 require 'bigdecimal'
 require 'bigdecimal/util'
-require 'yaml'
 
 class BigDecimal
-  YAML_MAPPING = { 'Infinity' => '.Inf', '-Infinity' => '-.Inf', 'NaN' => '.NaN' }
-
-  def encode_with(coder)
-    string = to_s
-    coder.represent_scalar(nil, YAML_MAPPING[string] || string)
-  end
-
-  # Backport this method if it doesn't exist
-  unless method_defined?(:to_d)
-    def to_d
-      self
-    end
-  end
-
   DEFAULT_STRING_FORMAT = 'F'
-  def to_formatted_s(*args)
-    if args[0].is_a?(Symbol)
-      super
+  alias_method :to_default_s, :to_s
+
+  def to_s(format = nil, options = nil)
+    if format.is_a?(Symbol)
+      to_formatted_s(format, options || {})
     else
-      format = args[0] || DEFAULT_STRING_FORMAT
-      _original_to_s(format)
+      to_default_s(format || DEFAULT_STRING_FORMAT)
     end
   end
-  alias_method :_original_to_s, :to_s
-  alias_method :to_s, :to_formatted_s
 end