diff --git a/src/plugins/debugger/debuggermainwindow.cpp b/src/plugins/debugger/debuggermainwindow.cpp
index 1b8ab8f90df..c101993357a 100644
--- a/src/plugins/debugger/debuggermainwindow.cpp
+++ b/src/plugins/debugger/debuggermainwindow.cpp
@@ -104,6 +104,8 @@ public:
 class PerspectivePrivate
 {
 public:
+    ~PerspectivePrivate();
+
     void showInnerToolBar();
     void hideInnerToolBar();
     void restoreLayout();
@@ -849,6 +851,12 @@ Context PerspectivePrivate::context() const
     return Context(Id::fromName(m_id.toUtf8()));
 }
 
+PerspectivePrivate::~PerspectivePrivate()
+{
+    for (const DockOperation &op : qAsConst(m_dockOperations))
+        delete op.widget;
+}
+
 void PerspectivePrivate::showInnerToolBar()
 {
     m_innerToolBar->setVisible(true);