diff --git a/typo3/sysext/backend/Classes/Clipboard/Clipboard.php b/typo3/sysext/backend/Classes/Clipboard/Clipboard.php
index da285ad5bd45589ddc47fc60d23cc56b4684eaa4..f17549668d22f08d707b0dc6e1ed04af6d2b06b5 100644
--- a/typo3/sysext/backend/Classes/Clipboard/Clipboard.php
+++ b/typo3/sysext/backend/Classes/Clipboard/Clipboard.php
@@ -706,9 +706,11 @@ class Clipboard
      * @param array $clElements Array of selected elements
      * @param string $columnLabel Name of the content column
      * @return string JavaScript "confirm" message
+     * @deprecated since TYPO3 v8, will be removed in TYPO3 v9
      */
     public function confirmMsg($table, $rec, $type, $clElements, $columnLabel = '')
     {
+        GeneralUtility::logDeprecatedFunction();
         $message = $this->confirmMsgText($table, $rec, $type, $clElements, $columnLabel);
         if (!empty($message)) {
             $message = 'confirm(' . GeneralUtility::quoteJSvalue($message) . ');';
diff --git a/typo3/sysext/core/Documentation/Changelog/master/Deprecation-73744-DeprecateClipboard-confirmMsg.rst b/typo3/sysext/core/Documentation/Changelog/master/Deprecation-73744-DeprecateClipboard-confirmMsg.rst
new file mode 100644
index 0000000000000000000000000000000000000000..8025b7ab79bd32975a62977cc564f5c871d9ac91
--- /dev/null
+++ b/typo3/sysext/core/Documentation/Changelog/master/Deprecation-73744-DeprecateClipboard-confirmMsg.rst
@@ -0,0 +1,26 @@
+=======================================================
+Deprecation: #73744 - Deprecate Clipboard->confirmMsg()
+=======================================================
+
+Description
+===========
+
+Clipboard::confirmMsg has been marked as deprecated.
+
+
+Impact
+======
+
+Using ``Clipboard::confirmMsg()`` will trigger a deprecation log entry.
+
+
+Affected Installations
+======================
+
+Any TYPO3 instance using a third-party extension using the PHP method above.
+
+
+Migration
+=========
+
+Use ``Clipboard::confirmMsgText()`` to get the confirm message and make use of the Modal API.