This gem is used only in gitlab Enterprise Edition

--- a/Gemfile
+++ b/Gemfile
@@ -59,7 +59,6 @@
 gem 'jwt', '~> 2.1'
 
 # Kerberos authentication. EE-only
-gem 'gssapi', group: :kerberos
 gem 'timfel-krb5-auth', '~> 0.8', group: :kerberos
 
 # Spam and anti-bot protection
@@ -297,8 +296,6 @@
 gem 'request_store', '~> 1.5'
 gem 'base32', '~> 0.3.0'
 
-gem 'gitlab-license', '~> 2.1'
-
 # Protect against bruteforcing
 gem 'rack-attack', '~> 6.6'