diff --git a/actor/src/main/scala/org/apache/pekko/util/PrettyByteString.scala b/actor/src/main/scala/org/apache/pekko/util/PrettyByteString.scala
deleted file mode 100644
index 031f173d09..0000000000
--- a/actor/src/main/scala/org/apache/pekko/util/PrettyByteString.scala
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
- *
- *   https://www.apache.org/licenses/LICENSE-2.0
- *
- * This file is part of the Apache Pekko project, derived from Akka.
- */
-
-/*
- * Copyright (C) 2016-2022 Lightbend Inc. <https://www.lightbend.com>
- */
-
-package org.apache.pekko.util
-
-/**
- * INTERNAL API: ByteString pretty printer, based on Johanes Rudolph's implementation from:
- * https://github.com/jrudolph/akka/commit/c889dddf37c8635c365a79a391eb18a709f36773#diff-947cbf07996eeb823cb9850cc2e81126R19
- */
-private[pekko] object PrettyByteString {
-  private val indentDepth = 2
-  private val indent = " " * (indentDepth + 1)
-
-  implicit class asPretty(bs: ByteString) {
-    def prettyPrint(maxBytes: Int = 16 * 5): String = formatBytes(bs, maxBytes).mkString("\n")
-  }
-
-  def formatBytes(bs: ByteString, maxBytes: Int = 16 * 5): Iterator[String] = {
-    def asHex(b: Byte): String = "%02X".format(b)
-    def asASCII(b: Byte): Char =
-      if (b >= 0x20 && b < 0x7F) b.toChar
-      else '.'
-
-    def formatLine(bs: ByteString): String = {
-      val data = bs.toSeq
-      val hex = data.map(asHex _).mkString(" ")
-      val ascii = data.map(asASCII _).mkString
-      f"$indent%s  $hex%-48s | $ascii"
-    }
-    def formatBytes(bs: ByteString): String =
-      bs.grouped(16).map(formatLine).mkString("\n")
-
-    val prefix = s"${indent}ByteString(${bs.size} bytes)"
-
-    if (bs.size <= maxBytes) Iterator(prefix + "\n", formatBytes(bs))
-    else
-      Iterator(
-        s"$prefix first + last $maxBytes:\n",
-        formatBytes(bs.take(maxBytes)),
-        s"\n$indent                    ... [${bs.size - maxBytes} bytes omitted] ...\n",
-        formatBytes(bs.takeRight(maxBytes)))
-  }
-
-}