diff --git a/doc/8-advanced/command-line.md b/doc/8-advanced/command-line.md
index 59923bc85..82473b0e9 100644
--- a/doc/8-advanced/command-line.md
+++ b/doc/8-advanced/command-line.md
@@ -78,9 +78,6 @@ the following parameters may be used:
 
 **export (other)**
 
-- `-zsmout path`: output Zsound Music data for Commander X16.
-  - you must provide a file, otherwise Furnace will quit.
-
 - `-cmdout path`: output command stream dump to `path`.
   - you must provide a file, otherwise Furnace will quit.