diff --git a/lib/grape-active_model_serializers/formatter.rb b/lib/grape-active_model_serializers/formatter.rb
index 4711860..8e347ef 100644
--- a/lib/grape-active_model_serializers/formatter.rb
+++ b/lib/grape-active_model_serializers/formatter.rb
@@ -1,5 +1,3 @@
-require 'active_record'
-
 module Grape
   module Formatter
     module ActiveModelSerializers