diff --git a/jekyll.gemspec b/jekyll.gemspec
index ed0d9201..7236e2c2 100644
--- a/jekyll.gemspec
+++ b/jekyll.gemspec
@@ -44,10 +44,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency('launchy', "~> 2.1.2")
   s.add_development_dependency('simplecov', "~> 0.7")
   s.add_development_dependency('simplecov-gem-adapter', "~> 1.0.1")
-  # migrator dependencies:
-  s.add_development_dependency('sequel', "~> 3.42")
-  s.add_development_dependency('htmlentities', "~> 4.3")
-  s.add_development_dependency('hpricot', "~> 0.8")
 
   # = MANIFEST =
   s.files = %w[