diff --git a/src/reader/exprseq_xs.cpp b/src/reader/exprseq_xs.cpp
index b934c2ef..421b037c 100644
--- a/src/reader/exprseq_xs.cpp
+++ b/src/reader/exprseq_xs.cpp
@@ -66,8 +66,6 @@ namespace xo {
         {
             /* toplevel expression sequence accepts an
              * arbitrary number of expressions.
-             *
-             * parser::include_token() returns
              */
 
             auto p_emit_expr = p_psm->p_emit_expr_;