Gemfile in blacklight-6.3.0 vs Gemfile in blacklight-6.3.1

@@ -33,10 +33,10 @@
       gem 'rails', ENV['RAILS_VERSION']
     end
   end
 
   if ENV['RAILS_VERSION'].nil? || ENV['RAILS_VERSION'] =~ /^5\.0/ || ENV['RAILS_VERSION'] == 'edge'
-    gem 'rspec-rails', '>= 3.5.0.beta4', '~> 3.5'
+    # noop
   elsif ENV['RAILS_VERSION'] =~ /^4\.2/
     gem 'responders', "~> 2.0"
     gem 'sass-rails', ">= 5.0"
   else
     gem 'bootstrap-sass', '< 3.3.5' # 3.3.5 requires sass 3.3, incompatible with sass-rails 4.x