diff --git a/lang/src/son.rs b/lang/src/son.rs
index 78200b3..60b3543 100644
--- a/lang/src/son.rs
+++ b/lang/src/son.rs
@@ -1477,7 +1477,8 @@ impl<'a> Codegen<'a> {
                     && ity.try_upcast(ty) == Some(ty)
                     && val.ty == ity
                 {
-                    self.error(pos, "the type is known at this point, remove the hint");
+                    _ = pos;
+                    //self.error(pos, "the type is known at this point, remove the hint");
                 }
                 self.assert_ty(expr.pos(), &mut val, ty, "hinted expr");
                 Some(val)