diff --git a/src/plugins/debugger/stackwindow.cpp b/src/plugins/debugger/stackwindow.cpp
index f92a6993fd32f7b9705b4d68ae6124ab2d9f15c9..afc5d257294c68613a446dd050320e28ec497ecf 100644
--- a/src/plugins/debugger/stackwindow.cpp
+++ b/src/plugins/debugger/stackwindow.cpp
@@ -75,8 +75,7 @@ StackWindow::StackWindow(DebuggerManager *manager, QWidget *parent)
 
 StackWindow::~StackWindow()
 {
-    // FIXME: leak
-    //delete m_disassemblerAgent;
+    delete m_disassemblerAgent;
 }
 
 void StackWindow::showAddressColumn(bool on)