diff --git a/lib/irb/.document b/lib/irb/.document
new file mode 100644
index 0000000000..3b0d6fa4ed
--- /dev/null
+++ b/lib/irb/.document
@@ -0,0 +1 @@
+**/*.rb
diff --git a/lib/irb/lc/.document b/lib/irb/lc/.document
deleted file mode 100644
index 524bb9430b..0000000000
--- a/lib/irb/lc/.document
+++ /dev/null
@@ -1,4 +0,0 @@
-# hide help-message files which contain usage information
-error.rb
-ja/encoding_aliases.rb
-ja/error.rb