diff --git a/RELEASE-NOTES-1.36 b/RELEASE-NOTES-1.36
index cc93f171e48..a1593966777 100644
--- a/RELEASE-NOTES-1.36
+++ b/RELEASE-NOTES-1.36
@@ -291,6 +291,7 @@ because of Phabricator reports.
   private:
   - $mTagHooks - use Parser::getTags()
   - $mFunctionHooks - use Parser::getFunctionHooks()
+  - $mOutput - use Parser::getOutput()
 * The ParserBeforeTidy hook, deprecated in 1.35, has been removed.
 * The ParserBeforeTidy, ParserBeforeStrip, and ParserAfterStrip hooks,
   deprecated in 1.35, have been removed.
diff --git a/includes/parser/CoreParserFunctions.php b/includes/parser/CoreParserFunctions.php
index 89c87c5b1ea..5d0da5986ca 100644
--- a/includes/parser/CoreParserFunctions.php
+++ b/includes/parser/CoreParserFunctions.php
@@ -482,9 +482,9 @@ class CoreParserFunctions {
 			&& !$title->hasFragment()
 			&& $title->equals( $parser->getTitle() ) )
 		) {
-			$old = $parser->mOutput->getProperty( 'displaytitle' );
+			$old = $parser->getOutput()->getProperty( 'displaytitle' );
 			if ( $old === false || $arg !== 'displaytitle_noreplace' ) {
-				$parser->mOutput->setDisplayTitle( $text );
+				$parser->getOutput()->setDisplayTitle( $text );
 			}
 			if ( $old !== false && $old !== $text && !$arg ) {
 
diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php
index c6f9d0eb893..470275b0635 100644
--- a/includes/parser/Parser.php
+++ b/includes/parser/Parser.php
@@ -185,9 +185,8 @@ class Parser {
 	# Cleared with clearState():
 	/**
 	 * @var ParserOutput
-	 * @deprecated since 1.35; use Parser::getOutput()
 	 */
-	public $mOutput;
+	private $mOutput;
 	private $mAutonumber;
 
 	/**
@@ -1018,6 +1017,7 @@ class Parser {
 
 	/**
 	 * @return ParserOutput
+	 * @since 1.12.2
 	 */
 	public function getOutput() {
 		return $this->mOutput;