diff --git a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
index bbdddfb50ddb0..caf2a25573b03 100644
--- a/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
+++ b/activemodel/lib/active_model/mass_assignment_security/sanitizer.rb
@@ -1,5 +1,3 @@
-require 'active_support/core_ext/module/delegation'
-
 module ActiveModel
   module MassAssignmentSecurity
     class Sanitizer
@@ -26,13 +24,15 @@ def process_removed_attributes(attrs)
     end
 
     class LoggerSanitizer < Sanitizer
-      delegate :logger, :to => :@target
-
       def initialize(target)
         @target = target
         super
       end
 
+      def logger
+        @target.logger
+      end
+
       def logger?
         @target.respond_to?(:logger) && @target.logger
       end