diff --git a/README.md b/README.md
index ee40999..000bdf0 100644
--- a/README.md
+++ b/README.md
@@ -55,13 +55,6 @@ end
 ```
 In this case, as User objects are being returned, grape-active_model_serializers will look for a serializer named UserSerializer.
 
-### Disabling serializer inferrence
-
-You can turn off serializer inferrence.
-```ruby
-Grape::Formatter::ActiveModelSerializers.infer_serializers = false
-```
-
 
 ### Manually specifying serializer options
 
diff --git a/lib/grape-active_model_serializers/formatter.rb b/lib/grape-active_model_serializers/formatter.rb
index 8e347ef..2cb4723 100644
--- a/lib/grape-active_model_serializers/formatter.rb
+++ b/lib/grape-active_model_serializers/formatter.rb
@@ -2,13 +2,10 @@ module Grape
   module Formatter
     module ActiveModelSerializers
       class << self
-        attr_accessor :infer_serializers
         attr_reader :endpoint
 
-        ActiveModelSerializers.infer_serializers = true
-
         def call(resource, env)
-          @endpoint = env["api.endpoint"]
+          @endpoint = env['api.endpoint']
           options   = endpoint.namespace_options.merge(endpoint.route_options)
 
           if resource.respond_to?(:to_ary) && !resource.empty?