diff --git a/src/xml/dom/qdom.cpp b/src/xml/dom/qdom.cpp
index 043fd3a6855..64f32030c87 100644
--- a/src/xml/dom/qdom.cpp
+++ b/src/xml/dom/qdom.cpp
@@ -639,16 +639,11 @@ QDomNodeListPrivate::~QDomNodeListPrivate()
         delete node_impl;
 }
 
-bool QDomNodeListPrivate::operator==(const QDomNodeListPrivate &other) const
+bool QDomNodeListPrivate::operator==(const QDomNodeListPrivate &other) const noexcept
 {
     return (node_impl == other.node_impl) && (tagname == other.tagname);
 }
 
-bool QDomNodeListPrivate::operator!=(const QDomNodeListPrivate &other) const
-{
-    return !operator==(other);
-}
-
 void QDomNodeListPrivate::createList() const
 {
     if (!node_impl)
diff --git a/src/xml/dom/qdom_p.h b/src/xml/dom/qdom_p.h
index 2a8e2deac0c..507852b89e6 100644
--- a/src/xml/dom/qdom_p.h
+++ b/src/xml/dom/qdom_p.h
@@ -140,8 +140,7 @@ public:
     QDomNodeListPrivate(QDomNodePrivate *, const QString &, const QString &);
     ~QDomNodeListPrivate();
 
-    bool operator==(const QDomNodeListPrivate &) const;
-    bool operator!=(const QDomNodeListPrivate &) const;
+    bool operator==(const QDomNodeListPrivate &) const noexcept;
 
     void createList() const;
     bool maybeCreateList() const;