diff --git a/lib/typeSubstitution.ml b/lib/typeSubstitution.ml
index 5e2aa4a..a15dfb0 100644
--- a/lib/typeSubstitution.ml
+++ b/lib/typeSubstitution.ml
@@ -39,7 +39,6 @@ let compose s2 s1 =
       s1
       s2
   in
-  print_endline "wow!";
   merger
 ;;