diff --git a/errbit_github_plugin.gemspec b/errbit_github_plugin.gemspec
index 9b74f2d..0805349 100644
--- a/errbit_github_plugin.gemspec
+++ b/errbit_github_plugin.gemspec
@@ -16,6 +16,8 @@ Gem::Specification.new do |spec|
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["bug_tracker_uri"] = "#{spec.homepage}/issues"
+  spec.metadata["rubygems_mfa_required"] = "true"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
diff --git a/vendor/assets/images/github_create.png b/vendor/assets/images/github_create.png
deleted file mode 100644
index 8bc8e9d..0000000
Binary files a/vendor/assets/images/github_create.png and /dev/null differ
diff --git a/vendor/assets/images/github_inactive.png b/vendor/assets/images/github_inactive.png
deleted file mode 100644
index 1bcffc7..0000000
Binary files a/vendor/assets/images/github_inactive.png and /dev/null differ