1 files changed, 1 insertions, 9 deletions
diff --git a/src/ir/literal-utils.h b/src/ir/literal-utils.h
index ad022344e..0131ecdc9 100644
--- a/src/ir/literal-utils.h
+++ b/src/ir/literal-utils.h
@@ -33,17 +33,9 @@ inline bool canMakeZero(Type type) {
   if (type.isNonNullable()) {
     return false;
   }
-  if (type.isRtt() && type.getRtt().hasDepth()) {
-    // An rtt with depth cannot be constructed as a simple zero: we'd need to
-    // create not just a zero (an rtt.canon) but also some rtt.subs that add to
-    // the depth, so disallow that. Also, there is no practical way to create a
-    // zero Literal for such a type, as we'd need to supply the list of super
-    // types somehow, and creating a zero Literal is how makeZero works.
-    return false;
-  }
   if (type.isTuple()) {
     for (auto t : type) {
-      if (!canMakeZero(t)) {
+      if (t.isNonNullable()) {
         return false;
       }
     }