2 files changed, 6 insertions, 9 deletions
diff --git a/include/svx/sidebar/SelectionChangeHandler.hxx b/include/svx/sidebar/SelectionChangeHandler.hxx
index 4f5c5b818b5f..a4d5dbc32f96 100644
--- a/include/svx/sidebar/SelectionChangeHandler.hxx
+++ b/include/svx/sidebar/SelectionChangeHandler.hxx
@@ -24,8 +24,7 @@
 #include <com/sun/star/frame/XController.hpp>
 #include <com/sun/star/view/XSelectionChangeListener.hpp>
 
-#include <cppuhelper/compbase.hxx>
-#include <cppuhelper/basemutex.hxx>
+#include <comphelper/compbase.hxx>
 
 #include <functional>
 
@@ -34,13 +33,12 @@ class SdrMarkView;
 
 namespace svx::sidebar {
 
-typedef cppu::WeakComponentImplHelper<
+typedef comphelper::WeakComponentImplHelper<
     css::view::XSelectionChangeListener
     > SelectionChangeHandlerInterfaceBase;
 
 class SVX_DLLPUBLIC SelectionChangeHandler final
-    : private ::cppu::BaseMutex,
-      public SelectionChangeHandlerInterfaceBase
+    : public SelectionChangeHandlerInterfaceBase
 {
 public:
     SelectionChangeHandler (
@@ -53,7 +51,7 @@ public:
 
     virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
 
-    virtual void SAL_CALL disposing() override;
+    virtual void disposing(std::unique_lock<std::mutex>&) override;
 
     void Connect();
     void Disconnect();
diff --git a/svx/source/sidebar/SelectionChangeHandler.cxx b/svx/source/sidebar/SelectionChangeHandler.cxx
index c015578e8671..f4ef4d8934d1 100644
--- a/svx/source/sidebar/SelectionChangeHandler.cxx
+++ b/svx/source/sidebar/SelectionChangeHandler.cxx
@@ -33,8 +33,7 @@ SelectionChangeHandler::SelectionChangeHandler (
     const std::function<OUString()>& rSelectionChangeCallback,
     const Reference<css::frame::XController>& rxController,
     const vcl::EnumContext::Context eDefaultContext)
-    : SelectionChangeHandlerInterfaceBase(m_aMutex),
-      maSelectionChangeCallback(rSelectionChangeCallback),
+    : maSelectionChangeCallback(rSelectionChangeCallback),
       mxController(rxController),
       meDefaultContext(eDefaultContext),
       mbIsConnected(false)
@@ -67,7 +66,7 @@ void SAL_CALL SelectionChangeHandler::disposing (const lang::EventObject&)
 }
 
 
-void SAL_CALL SelectionChangeHandler::disposing()
+void SelectionChangeHandler::disposing(std::unique_lock<std::mutex>&)
 {
     if (mbIsConnected)
         Disconnect();