2 files changed, 4 insertions, 3 deletions
diff --git a/accessibility/inc/extended/AccessibleBrowseBox.hxx b/accessibility/inc/extended/AccessibleBrowseBox.hxx
index f6109299e333..e2d5de3f2600 100644
--- a/accessibility/inc/extended/AccessibleBrowseBox.hxx
+++ b/accessibility/inc/extended/AccessibleBrowseBox.hxx
@@ -24,6 +24,7 @@
 #include <cppuhelper/implbase.hxx>
 #include <cppuhelper/weakref.hxx>
 #include <vcl/accessibletableprovider.hxx>
+#include <mutex>
 
 namespace accessibility {
 
@@ -196,7 +197,7 @@ class AccessibleBrowseBoxAccess final :
     public ::vcl::IAccessibleBrowseBox
 {
 private:
-    ::osl::Mutex                        m_aMutex;
+    std::mutex                          m_aMutex;
     css::uno::Reference< css::accessibility::XAccessible >
                                         m_xParent;
     ::vcl::IAccessibleTableProvider&    m_rBrowseBox;
diff --git a/accessibility/source/extended/AccessibleBrowseBox.cxx b/accessibility/source/extended/AccessibleBrowseBox.cxx
index 7dd780508816..8c620b98260b 100644
--- a/accessibility/source/extended/AccessibleBrowseBox.cxx
+++ b/accessibility/source/extended/AccessibleBrowseBox.cxx
@@ -281,7 +281,7 @@ AccessibleBrowseBoxAccess::~AccessibleBrowseBoxAccess()
 
 void AccessibleBrowseBoxAccess::dispose()
 {
-    ::osl::MutexGuard aGuard( m_aMutex );
+    std::unique_lock aGuard( m_aMutex );
 
     if (m_xContext.is())
     {
@@ -293,7 +293,7 @@ void AccessibleBrowseBoxAccess::dispose()
 
 css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL AccessibleBrowseBoxAccess::getAccessibleContext()
 {
-    ::osl::MutexGuard aGuard( m_aMutex );
+    std::unique_lock aGuard( m_aMutex );
 
     // if the context died meanwhile (there is no listener, so it won't tell us explicitly when this happens),
     // then reset and re-create.