diff --git a/src/widgets/widgets/qcheckbox.cpp b/src/widgets/widgets/qcheckbox.cpp
index 970a15e3a86..88cd603d70a 100644
--- a/src/widgets/widgets/qcheckbox.cpp
+++ b/src/widgets/widgets/qcheckbox.cpp
@@ -92,9 +92,7 @@ public:
 /*!
     \fn void QCheckBox::stateChanged(int state)
 
-    \obsolete
-
-    Use checkStateChanged(Qt::CheckState) instead.
+    \deprecated [6.9] Use checkStateChanged(Qt::CheckState) instead.
 */
 
 /*!
@@ -236,7 +234,11 @@ void QCheckBox::setCheckState(Qt::CheckState state)
     if (state != d->publishedState) {
         d->publishedState = state;
         emit checkStateChanged(state);
+#if QT_DEPRECATED_SINCE(6, 9)
+        QT_IGNORE_DEPRECATIONS(
         emit stateChanged(state);
+        )
+#endif
     }
 
 #if QT_CONFIG(accessibility)
@@ -332,7 +334,11 @@ void QCheckBox::checkStateSet()
     if (state != d->publishedState) {
         d->publishedState = state;
         emit checkStateChanged(state);
+#if QT_DEPRECATED_SINCE(6, 9)
+        QT_IGNORE_DEPRECATIONS(
         emit stateChanged(state);
+        )
+#endif
     }
 }
 
diff --git a/src/widgets/widgets/qcheckbox.h b/src/widgets/widgets/qcheckbox.h
index 54c2c3c796d..de623b7b9ea 100644
--- a/src/widgets/widgets/qcheckbox.h
+++ b/src/widgets/widgets/qcheckbox.h
@@ -36,7 +36,10 @@ public:
     void setCheckState(Qt::CheckState state);
 
 Q_SIGNALS:
+#if QT_DEPRECATED_SINCE(6, 9)
+    QT_MOC_COMPAT QT_DEPRECATED_VERSION_X_6_9("Use checkStateChanged() instead")
     void stateChanged(int);
+#endif
     void checkStateChanged(Qt::CheckState);
 
 protected:
diff --git a/tests/auto/widgets/widgets/qcheckbox/tst_qcheckbox.cpp b/tests/auto/widgets/widgets/qcheckbox/tst_qcheckbox.cpp
index 23082485c25..c03b8a04551 100644
--- a/tests/auto/widgets/widgets/qcheckbox/tst_qcheckbox.cpp
+++ b/tests/auto/widgets/widgets/qcheckbox/tst_qcheckbox.cpp
@@ -215,32 +215,42 @@ void tst_QCheckBox::checkStateChanged()
 
     Qt::CheckState cur_state = Qt::Unchecked;
     QSignalSpy checkStateChangedSpy(&testWidget, &QCheckBox::checkStateChanged);
+#if QT_DEPRECATED_SINCE(6, 9)
     QT_IGNORE_DEPRECATIONS(
     QSignalSpy stateChangedSpy(&testWidget, &QCheckBox::stateChanged);
     )
+#endif
     connect(&testWidget, &QCheckBox::checkStateChanged, this, [&](auto state) { cur_state = state; });
     testWidget.setChecked(true);
     QTRY_COMPARE(checkStateChangedSpy.size(), 1);
+#if QT_DEPRECATED_SINCE(6, 9)
     QCOMPARE(stateChangedSpy.size(), 1);
+#endif
     QCOMPARE(cur_state, Qt::Checked);
     QCOMPARE(testWidget.checkState(), Qt::Checked);
 
     testWidget.setChecked(false);
     QTRY_COMPARE(checkStateChangedSpy.size(), 2);
+#if QT_DEPRECATED_SINCE(6, 9)
     QCOMPARE(stateChangedSpy.size(), 2);
+#endif
     QCOMPARE(cur_state, Qt::Unchecked);
     QCOMPARE(testWidget.checkState(), Qt::Unchecked);
 
     testWidget.setCheckState(Qt::PartiallyChecked);
     QTRY_COMPARE(checkStateChangedSpy.size(), 3);
+#if QT_DEPRECATED_SINCE(6, 9)
     QCOMPARE(stateChangedSpy.size(), 3);
+#endif
     QCOMPARE(cur_state, Qt::PartiallyChecked);
     QCOMPARE(testWidget.checkState(), Qt::PartiallyChecked);
 
     testWidget.setCheckState(Qt::PartiallyChecked);
     QCoreApplication::processEvents();
     QCOMPARE(checkStateChangedSpy.size(), 3);
+#if QT_DEPRECATED_SINCE(6, 9)
     QCOMPARE(stateChangedSpy.size(), 3);
+#endif
 }
 
 void tst_QCheckBox::isToggleButton()