diff --git a/src/data.c b/src/data.c
index 4569f002420..8d58cbd9410 100644
--- a/src/data.c
+++ b/src/data.c
@@ -344,8 +344,6 @@ DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0,
   return Qnil;
 }
 
-/* Define this in C to avoid unnecessarily consing up the symbol
-   name.  */
 DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0,
        doc: /* Return t if OBJECT is a keyword.
 This means that it is a symbol with a print name beginning with `:'