diff --git a/vagrant-cachier.gemspec b/vagrant-cachier.gemspec
index 783da47..c9e3835 100644
--- a/vagrant-cachier.gemspec
+++ b/vagrant-cachier.gemspec
@@ -17,16 +17,4 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
-
-  spec.post_install_message = %Q{
-  Thanks for installing vagrant-cachier #{VagrantPlugins::Cachier::VERSION}!
-
-  If you are new to vagrant-cachier just follow along with the docs available
-  at http://fgrehm.viewdocs.io/vagrant-cachier.
-
-  If you are upgrading from a previous version, please note that plugin has gone
-  through many backwards incompatible changes recently. Please check out
-  https://github.com/fgrehm/vagrant-cachier/blob/master/CHANGELOG.md
-  before continuing and caching all the things :)
-  }
 end