diff --git a/actor/src/main/scala-2.12/org/apache/pekko/util/ByteIterator.scala b/actor/src/main/scala-2.12/org/apache/pekko/util/ByteIterator.scala
index 244acd76bd..c46ba2f54a 100644
--- a/actor/src/main/scala-2.12/org/apache/pekko/util/ByteIterator.scala
+++ b/actor/src/main/scala-2.12/org/apache/pekko/util/ByteIterator.scala
@@ -208,7 +208,7 @@ object ByteIterator {
 
     @inline private def current: ByteArrayIterator = iterators.head
     @inline private def dropCurrent(): Unit = { iterators = iterators.tail }
-    @inline def clear(): Unit = { iterators = MultiByteArrayIterator.empty.iterators }
+    @inline final def clear(): Unit = { iterators = MultiByteArrayIterator.empty.iterators }
 
     @inline final def hasNext: Boolean = current.hasNext
 
diff --git a/actor/src/main/scala-2.13/org/apache/pekko/util/ByteIterator.scala b/actor/src/main/scala-2.13/org/apache/pekko/util/ByteIterator.scala
index fa5b9d0849..4b650c1ec5 100644
--- a/actor/src/main/scala-2.13/org/apache/pekko/util/ByteIterator.scala
+++ b/actor/src/main/scala-2.13/org/apache/pekko/util/ByteIterator.scala
@@ -220,7 +220,7 @@ object ByteIterator {
 
     @inline private def current: ByteArrayIterator = iterators.head
     @inline private def dropCurrent(): Unit = { iterators = iterators.tail }
-    @inline def clear(): Unit = { iterators = MultiByteArrayIterator.empty.iterators }
+    @inline final def clear(): Unit = { iterators = MultiByteArrayIterator.empty.iterators }
 
     @inline final def hasNext: Boolean = current.hasNext