--- a/Gemfile
+++ b/Gemfile
@@ -136,7 +136,6 @@
 # Markdown and HTML processing
 gem 'html-pipeline', '~> 2.8'
 gem 'deckar01-task_list', '2.0'
-gem 'gitlab-markup', '~> 1.6.5'
 gem 'github-markup', '~> 1.7', require: 'github/markup'
 gem 'redcarpet', '~> 3.4'
 gem 'commonmarker', '~> 0.17'