diff --git a/src/private/multisplitter/Item.cpp b/src/private/multisplitter/Item.cpp
index 931fe459..4123a03e 100644
--- a/src/private/multisplitter/Item.cpp
+++ b/src/private/multisplitter/Item.cpp
@@ -918,6 +918,12 @@ struct ItemContainer::Private
         (void) Config::self(); // Ensure Config ctor runs, as it registers qml types
     }
 
+    ~Private()
+    {
+        qDeleteAll(m_separators);
+        m_separators.clear();
+    }
+
     int defaultLengthFor(Item *item, DefaultSizeMode) const;
     bool isOverflowing() const;
     void relayoutIfNeeded();
diff --git a/src/private/multisplitter/Separator.cpp b/src/private/multisplitter/Separator.cpp
index 05fa6347..b2bf6cae 100644
--- a/src/private/multisplitter/Separator.cpp
+++ b/src/private/multisplitter/Separator.cpp
@@ -25,6 +25,9 @@ using namespace Layouting;
 
 Separator* Separator::s_separatorBeingDragged = nullptr;
 
+/// @brief internal counter just for unit-tests
+static int s_numSeparators = 0;
+
 struct Separator::Private
 {
     // Only set when anchor is moved through mouse. Side1 if going towards left or top, Side2 otherwise.
@@ -46,10 +49,12 @@ struct Separator::Private
 Separator::Separator(Widget *hostWidget)
     : d(new Private(hostWidget))
 {
+    s_numSeparators++;
 }
 
 Separator::~Separator()
 {
+    s_numSeparators--;
     delete d;
     if (isBeingDragged())
         s_separatorBeingDragged = nullptr;
@@ -216,6 +221,11 @@ bool Separator::isResizing()
     return s_separatorBeingDragged != nullptr;
 }
 
+int Separator::numSeparators()
+{
+    return s_numSeparators;
+}
+
 void Separator::setLazyPosition(int pos)
 {
     if (d->lazyPosition != pos) {
diff --git a/src/private/multisplitter/Separator_p.h b/src/private/multisplitter/Separator_p.h
index a799cdac..8a408624 100644
--- a/src/private/multisplitter/Separator_p.h
+++ b/src/private/multisplitter/Separator_p.h
@@ -47,6 +47,10 @@ public:
     static bool isResizing();
     virtual Widget* asWidget() = 0;
 
+    /// @internal Just for the unit-tests.
+    /// Returns the total amount of Separator() instances currently alive.
+    static int numSeparators();
+
 protected:
     explicit Separator(Widget *hostWidget);
     virtual Widget* createRubberBand(Widget *parent) { Q_UNUSED(parent); return nullptr; }
diff --git a/tests/tst_common.cpp b/tests/tst_common.cpp
index 281cc512..3411b5b1 100644
--- a/tests/tst_common.cpp
+++ b/tests/tst_common.cpp
@@ -62,6 +62,7 @@ private Q_SLOTS:
     void tst_doesntHaveNativeTitleBar();
     void tst_resizeWindow2();
     void tst_hasLastDockedLocation();
+    void tst_ghostSeparator();
 };
 
 void TestCommon::tst_simple1()
@@ -142,6 +143,36 @@ void TestCommon::tst_hasLastDockedLocation()
     delete window1;
 }
 
+void TestCommon::tst_ghostSeparator()
+{
+    // Tests a situation where a separator wouldn't be removed after a widget had been removed
+    EnsureTopLevelsDeleted e;
+    auto m = createMainWindow(QSize(501, 500), MainWindowOption_None);
+    auto dock1 = createDockWidget("1");
+    auto dock2 = createDockWidget("2");
+    auto dock3 = createDockWidget("3");
+
+    QPointer<FloatingWindow> fw1 = dock1->floatingWindow();
+    QPointer<FloatingWindow> fw2 = dock2->floatingWindow();
+    QPointer<FloatingWindow> fw3 = dock3->floatingWindow();
+
+    dock1->addDockWidgetToContainingWindow(dock2, Location_OnRight);
+    QCOMPARE(fw1->multiSplitter()->separators().size(), 1);
+    QCOMPARE(Layouting::Separator::numSeparators(), 1);
+
+    m->addDockWidget(dock3, Location_OnBottom);
+    QCOMPARE(m->multiSplitter()->separators().size(), 0);
+    QCOMPARE(Layouting::Separator::numSeparators(), 1);
+
+    m->multiSplitter()->addMultiSplitter(fw1->multiSplitter(), Location_OnRight);
+    QCOMPARE(m->multiSplitter()->separators().size(), 2);
+    QCOMPARE(Layouting::Separator::numSeparators(), 2);
+
+    delete fw1;
+    delete fw2;
+    delete fw3;
+}
+
 int main(int argc, char *argv[])
 {
     if (!qpaPassedAsArgument(argc, argv)) {