diff --git a/runtime/ftplugin/calender.lua b/runtime/ftplugin/calender.lua
deleted file mode 100644
index 984111a08b..0000000000
--- a/runtime/ftplugin/calender.lua
+++ /dev/null
@@ -1 +0,0 @@
-vim.bo.commentstring = '/* %s */'