asciidoctor-epub3.gemspec in asciidoctor-epub3-1.5.0.alpha.12 vs asciidoctor-epub3.gemspec in asciidoctor-epub3-1.5.0.alpha.13

@@ -34,9 +34,7 @@
   s.add_development_dependency 'rspec', '~> 3.9.0'
   s.add_development_dependency 'rubocop', '~> 0.79.0'
   s.add_development_dependency 'rubocop-rspec', '~> 1.37.0'
 
   s.add_runtime_dependency 'asciidoctor', '>= 1.5.3', '< 3.0.0'
-  s.add_runtime_dependency 'epubcheck-ruby', '~> 4.2.2.0'
   s.add_runtime_dependency 'gepub', '~> 1.0.0'
-  s.add_runtime_dependency 'kindlegen', '>= 3.0.3', '<= 3.0.5'
 end