diff --git a/src/main/java/com/android/tools/r8/ir/code/NextUntilIterator.java b/src/main/java/com/android/tools/r8/ir/code/NextUntilIterator.java
index 555db34..cd08f22 100644
--- a/src/main/java/com/android/tools/r8/ir/code/NextUntilIterator.java
+++ b/src/main/java/com/android/tools/r8/ir/code/NextUntilIterator.java
@@ -14,6 +14,7 @@
    * @returns the item that matched the predicate or {@code null} if all items fail the predicate
    *     test
    */
+  @SuppressWarnings("unchecked")
   default <S extends T> S nextUntil(Predicate<T> predicate) {
     while (hasNext()) {
       T item = next();