diff --git a/src/corelib/kernel/qproperty.cpp b/src/corelib/kernel/qproperty.cpp
index f8299b5d29..b57ba7851a 100644
--- a/src/corelib/kernel/qproperty.cpp
+++ b/src/corelib/kernel/qproperty.cpp
@@ -608,13 +608,6 @@ QPropertyBindingData::NotificationResult QPropertyBindingData::notifyObserver_he
     return Evaluated;
 }
 
-int QPropertyBindingDataPointer::observerCount() const
-{
-    int count = 0;
-    for (auto observer = firstObserver(); observer; observer = observer.nextObserver())
-        ++count;
-    return count;
-}
 
 QPropertyObserver::QPropertyObserver(ChangeHandler changeHandler)
 {
diff --git a/src/corelib/kernel/qproperty_p.h b/src/corelib/kernel/qproperty_p.h
index cafe211e71..5105fd6343 100644
--- a/src/corelib/kernel/qproperty_p.h
+++ b/src/corelib/kernel/qproperty_p.h
@@ -68,7 +68,7 @@ namespace QtPrivate {
 // we need to allow the compiler to inline where it makes sense.
 
 // This is a helper "namespace"
-struct Q_AUTOTEST_EXPORT QPropertyBindingDataPointer
+struct QPropertyBindingDataPointer
 {
     const QtPrivate::QPropertyBindingData *ptr = nullptr;
 
@@ -85,10 +85,10 @@ struct Q_AUTOTEST_EXPORT QPropertyBindingDataPointer
     }
     static void fixupAfterMove(QtPrivate::QPropertyBindingData *ptr);
     void Q_ALWAYS_INLINE addObserver(QPropertyObserver *observer);
-    void setFirstObserver(QPropertyObserver *observer);
-    QPropertyObserverPointer firstObserver() const;
+    inline void setFirstObserver(QPropertyObserver *observer);
+    inline QPropertyObserverPointer firstObserver() const;
 
-    int observerCount() const;
+    inline int observerCount() const;
 
     template <typename T>
     static QPropertyBindingDataPointer get(QProperty<T> &property)
@@ -442,6 +442,14 @@ inline QPropertyObserverPointer QPropertyBindingDataPointer::firstObserver() con
     return { reinterpret_cast<QPropertyObserver *>(ptr->d()) };
 }
 
+inline int QPropertyBindingDataPointer::observerCount() const
+{
+    int count = 0;
+    for (auto observer = firstObserver(); observer; observer = observer.nextObserver())
+        ++count;
+    return count;
+}
+
 namespace QtPrivate {
     Q_CORE_EXPORT bool isPropertyInBindingWrapper(const QUntypedPropertyData *property);
     void Q_CORE_EXPORT initBindingStatusThreadId();