diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb
index a1ffb8eece26e..891d718af32cd 100644
--- a/activesupport/lib/active_support/log_subscriber.rb
+++ b/activesupport/lib/active_support/log_subscriber.rb
@@ -36,6 +36,10 @@ class LogSubscriber
 
     class_attribute :logger
 
+    class << self
+      remove_method :logger
+    end
+
     def self.logger
       @logger ||= Rails.logger if defined?(Rails)
     end