diff --git a/lisp/ob-abc.el b/lisp/ob-abc.el
index 43ee1d992..56597284d 100644
--- a/lisp/ob-abc.el
+++ b/lisp/ob-abc.el
@@ -5,7 +5,6 @@
 ;; Author: William Waites
 ;; Keywords: literate programming, music
 ;; Homepage: http://www.tardis.ed.ac.uk/wwaites
-;; Version: 0.01
 
 ;; This file is part of GNU Emacs.
 
diff --git a/lisp/ob-ebnf.el b/lisp/ob-ebnf.el
index c22922852..197235f26 100644
--- a/lisp/ob-ebnf.el
+++ b/lisp/ob-ebnf.el
@@ -5,7 +5,6 @@
 ;; Author: Michael Gauland
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: https://orgmode.org
-;; Version: 1.00
 
 ;; This file is part of GNU Emacs.
 
diff --git a/lisp/ob-sed.el b/lisp/ob-sed.el
index be4cff48a..6509c54cc 100644
--- a/lisp/ob-sed.el
+++ b/lisp/ob-sed.el
@@ -4,7 +4,6 @@
 
 ;; Author: Bjarte Johansen
 ;; Keywords: literate programming, reproducible research
-;; Version: 0.1.1
 
 ;; This file is part of GNU Emacs.