diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index <HASH>..<HASH> 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -10,7 +10,6 @@ SimpleCov.start
 require 'xmldsig'
 
 RSpec.configure do |config|
-  config.treat_symbols_as_metadata_keys_with_true_values = true
   config.run_all_when_everything_filtered = true
   config.filter_run :focus
remove old configuration.

Remove the following warning:

    RSpec::Core::Configuration#treat_symbols_as_metadata_keys_with_true_values=
    is deprecated, it is now set to true as default and setting it to
    false has no effect.