diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 4bb4645..6d901ce 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -8,12 +8,3 @@
 
 require 'simplecov'
 SimpleCov.start
-
-MAUTH_CONFIG_YML = File.expand_path('config_root/config/mauth.yml', __dir__).freeze
-
-RSpec.configure do |config|
-  config.before do
-    allow(ENV).to receive(:[]).and_call_original
-    allow(ENV).to receive(:[]).with('MAUTH_CONFIG_YML').and_return(MAUTH_CONFIG_YML)
-  end
-end