diff --git a/ruby/Gemfile b/ruby/Gemfile
index 7eaf3c0f218f9ae785e5fe31ae3ddbd7d73d4e12..c33c5a267e246f2fbce93867f78ee61d44a338d7 100644
--- a/ruby/Gemfile
+++ b/ruby/Gemfile
@@ -4,7 +4,6 @@ gem 'rugged', '~> 1.1'
 gem 'github-linguist', '~> 7.12', require: 'linguist'
 gem 'gitlab-markup', '~> 1.7.1'
 gem 'activesupport', '~> 6.1.3.2'
-gem 'rdoc', '~> 6.0'
 gem 'gitlab-gollum-lib', '~> 4.2.7.10.gitlab.1', require: false
 gem 'gitlab-gollum-rugged_adapter', '~> 0.4.4.4.gitlab.1', require: false
 gem 'grpc', '~> 1.30.2'
diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index cab76b5c1e5691ee19573fd9d685f4bb7e577d2d..93b3bd47a9543a7b9f5da41719002cf302edcf22 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -146,7 +146,6 @@ GEM
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
       optimist (>= 3.0.0)
-    rdoc (6.2.0)
     redis (4.2.5)
     regexp_parser (1.8.1)
     reverse_markdown (1.4.0)
@@ -230,7 +229,6 @@ DEPENDENCIES
   licensee (~> 9.14.1)
   pry (~> 0.12.2)
   rbtrace
-  rdoc (~> 6.0)
   rspec
   rspec-parameterized
   rubocop (~> 0.69)