diff --git a/lib/rubocop/minitest/inject.rb b/lib/rubocop/minitest/inject.rb
index 06f7ff1..d062d54 100644
--- a/lib/rubocop/minitest/inject.rb
+++ b/lib/rubocop/minitest/inject.rb
@@ -9,9 +9,8 @@ def self.defaults!
         path = CONFIG_DEFAULT.to_s
         hash = ConfigLoader.load_yaml_configuration(path)
         config = Config.new(hash, path).tap(&:make_excludes_absolute)
-        puts "configuration from #{path}" if ConfigLoader.debug?
-        config = ConfigLoader.merge_with_default(config, path)
-        ConfigLoader.instance_variable_set(:@default_configuration, config)
+        new_config = ConfigLoader.merge_with_default(config, path)
+        ConfigLoader.instance_variable_set(:@default_configuration, new_config)
       end
     end
   end