diff --git a/.rdoc_options b/.rdoc_options
index 521c1b457f2ca2..607169c5bc669c 100644
--- a/.rdoc_options
+++ b/.rdoc_options
@@ -7,3 +7,6 @@ title: Documentation for Ruby development version
 visibility: :private
 rdoc_include:
 - doc
+
+exclude:
+- lib/irb
diff --git a/lib/irb/.document b/lib/irb/.document
deleted file mode 100644
index 3b0d6fa4ed6c1e..00000000000000
--- a/lib/irb/.document
+++ /dev/null
@@ -1 +0,0 @@
-**/*.rb