diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index c5eae20266..d6013541fc 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -2024,10 +2024,7 @@ void QXcbConnection::initializeAllAtoms() {
         ++ptr;
     }
 
-    Q_ASSERT(i == QXcbAtom::NPredefinedAtoms);
-
-    const QByteArray settings_atom_name = "_QT_SETTINGS_TIMESTAMP_" + m_displayName;
-    names[i++] = settings_atom_name;
+    Q_ASSERT(i == QXcbAtom::NAtoms);
 
     xcb_intern_atom_cookie_t cookies[QXcbAtom::NAtoms];
 
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index 92825acb6d..98a009b211 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -302,9 +302,6 @@ namespace QXcbAtom {
         _COMPIZ_TOOLKIT_ACTION,
         _GTK_LOAD_ICONTHEMES,
 
-        NPredefinedAtoms,
-
-        _QT_SETTINGS_TIMESTAMP = NPredefinedAtoms,
         NAtoms
     };
 }