diff --git a/tests/various/signext.ys b/tests/various/signext.ys
index 26dab13a6..ae44a0e06 100644
--- a/tests/various/signext.ys
+++ b/tests/various/signext.ys
@@ -5,9 +5,6 @@ assign o = 1'bx;
 endmodule
 EOT
 
-
-## Example usage for "pmuxtree" and "muxcover"
-
 proc
 
 ## Equivalence checking