1 files changed, 0 insertions, 60 deletions
diff --git a/activemodel/lib/active_model/serializer.rb b/activemodel/lib/active_model/serializer.rb
deleted file mode 100644
index 5b603bdbd7..0000000000
--- a/activemodel/lib/active_model/serializer.rb
+++ /dev/null
@@ -1,60 +0,0 @@
-require 'active_support/core_ext/hash/except'
-require 'active_support/core_ext/hash/slice'
-
-module ActiveModel
-  class Serializer
-    attr_reader :options
-
-    def initialize(serializable, options = nil)
-      @serializable = serializable
-      @options = options ? options.dup : {}
-
-      @options[:only] = Array.wrap(@options[:only]).map { |n| n.to_s }
-      @options[:except] = Array.wrap(@options[:except]).map { |n| n.to_s }
-    end
-
-    def serialize
-      raise NotImplemented
-    end
-
-    def to_s(&block)
-      serialize(&block)
-    end
-
-    # To replicate the behavior in ActiveRecord#attributes,
-    # <tt>:except</tt> takes precedence over <tt>:only</tt>.  If <tt>:only</tt> is not set
-    # for a N level model but is set for the N+1 level models,
-    # then because <tt>:except</tt> is set to a default value, the second
-    # level model can have both <tt>:except</tt> and <tt>:only</tt> set.  So if
-    # <tt>:only</tt> is set, always delete <tt>:except</tt>.
-    def serializable_attribute_names
-      attribute_names = @serializable.attributes.keys.sort
-
-      if options[:only].any?
-        attribute_names &= options[:only]
-      elsif options[:except].any?
-        attribute_names -= options[:except]
-      end
-
-      attribute_names
-    end
-
-    def serializable_method_names
-      Array.wrap(options[:methods]).inject([]) do |methods, name|
-        methods << name if @serializable.respond_to?(name.to_s)
-        methods
-      end
-    end
-
-    def serializable_names
-      serializable_attribute_names + serializable_method_names
-    end
-
-    def serializable_hash
-      serializable_names.inject({}) { |hash, name|
-        hash[name] = @serializable.send(name)
-        hash
-      }
-    end
-  end
-end