1 files changed, 2 insertions, 27 deletions
diff --git a/src/plugins/platforms/xcb/qxcbvulkaninstance.cpp b/src/plugins/platforms/xcb/qxcbvulkaninstance.cpp
index 4d540defa9..b3f8a5832d 100644
--- a/src/plugins/platforms/xcb/qxcbvulkaninstance.cpp
+++ b/src/plugins/platforms/xcb/qxcbvulkaninstance.cpp
@@ -46,20 +46,9 @@ QT_BEGIN_NAMESPACE
 QXcbVulkanInstance::QXcbVulkanInstance(QVulkanInstance *instance)
     : m_instance(instance),
       m_getPhysDevPresSupport(nullptr),
-      m_createSurface(nullptr),
-      m_destroySurface(nullptr)
+      m_createSurface(nullptr)
 {
-    if (qEnvironmentVariableIsSet("QT_VULKAN_LIB"))
-        m_lib.setFileName(QString::fromUtf8(qgetenv("QT_VULKAN_LIB")));
-    else
-        m_lib.setFileName(QStringLiteral("vulkan"));
-
-    if (!m_lib.load()) {
-        qWarning("Failed to load %s: %s", qPrintable(m_lib.fileName()), qPrintable(m_lib.errorString()));
-        return;
-    }
-
-    init(&m_lib);
+    loadVulkanLibrary(QStringLiteral("vulkan"));
 }
 
 QXcbVulkanInstance::~QXcbVulkanInstance()
@@ -114,14 +103,6 @@ VkSurfaceKHR QXcbVulkanInstance::createSurface(QXcbWindow *window)
         qWarning("Failed to find vkCreateXcbSurfaceKHR");
         return surface;
     }
-    if (!m_destroySurface) {
-        m_destroySurface = reinterpret_cast<PFN_vkDestroySurfaceKHR>(
-                    m_vkGetInstanceProcAddr(m_vkInst, "vkDestroySurfaceKHR"));
-    }
-    if (!m_destroySurface) {
-        qWarning("Failed to find vkDestroySurfaceKHR");
-        return surface;
-    }
 
     VkXcbSurfaceCreateInfoKHR surfaceInfo;
     memset(&surfaceInfo, 0, sizeof(surfaceInfo));
@@ -135,12 +116,6 @@ VkSurfaceKHR QXcbVulkanInstance::createSurface(QXcbWindow *window)
     return surface;
 }
 
-void QXcbVulkanInstance::destroySurface(VkSurfaceKHR surface)
-{
-    if (m_destroySurface && surface)
-        m_destroySurface(m_vkInst, surface, nullptr);
-}
-
 void QXcbVulkanInstance::presentQueued(QWindow *window)
 {
     QXcbWindow *w = static_cast<QXcbWindow *>(window->handle());