lib/avromatic/model/raw_serialization.rb in avromatic-0.6.1 vs lib/avromatic/model/raw_serialization.rb in avromatic-0.6.2

@@ -1,7 +1,6 @@
 require 'avromatic/model/passthrough_serializer'
-require 'active_support/core_ext/hash/transform_values'
 
 module Avromatic
   module Model
 
     # This module provides serialization support for encoding directly to Avro
@@ -48,10 +47,12 @@
             result[key.to_s] = if value.is_a?(Avromatic::Model::Attributes)
                                  value.value_attributes_for_avro
                                elsif array_of_models?(key)
                                  value.map(&:value_attributes_for_avro)
                                elsif hash_of_models?(key)
-                                 value.transform_values(&:value_attributes_for_avro)
+                                 value.each_with_object({}) do |(k, v), hash|
+                                   hash[k] = v.value_attributes_for_avro
+                                 end
                                else
                                  avro_serializer[key].call(value)
                                end
           end
         end