diff --git a/plumbing b/plumbing
index 0c4694a..ed8e303 100755
--- a/plumbing
+++ b/plumbing
@@ -1,22 +1,10 @@
 ## MUSIC GO TO AFPLAY
 ## -----------------------------------------------------------------------------
 
-## mac only
-## todo: rewrite for freebsd / linux
+## macOS only
 
 kind is text
 data matches '[a-zA-Z¡-￿0-9_\-./]+'
 data matches '([a-zA-Z¡-￿0-9_\-./]+)\.(mp3|mp4|mpeg)'
 data isfile     $0
 plumb start afplay $file
-
-## PERL ERROR MESSAGES GO TO ACME
-## -----------------------------------------------------------------------------
-
-type is text
-data matches '([a-zA-Z¡-￿0-9_\-.]+\.p[l|m])( line )([0-9]+)?'
-arg isfile	$1
-data set	$file
-attr add	addr=$3
-plumb to edit
-plumb client window $editor