diff --git a/src/data/CCBitField.mli b/src/data/CCBitField.mli
index 9607e6f4..b5f29d2e 100644
--- a/src/data/CCBitField.mli
+++ b/src/data/CCBitField.mli
@@ -9,8 +9,6 @@
     {[
       module B = CCBitField.Make(struct end);;
 
-      #install_printer B.pp;;
-
       let x = B.mk_field ()
       let y = B.mk_field ()
       let z = B.mk_field ()