diff --git a/RenderSystems/Vulkan/include/OgreVulkanCache.h b/RenderSystems/Vulkan/include/OgreVulkanCache.h
index 09c8d75a03..973c296319 100644
--- a/RenderSystems/Vulkan/include/OgreVulkanCache.h
+++ b/RenderSystems/Vulkan/include/OgreVulkanCache.h
@@ -39,7 +39,7 @@ namespace Ogre
 {
     /**
      */
-    class _OgreVulkanExport VulkanCache : public OgreAllocatedObj, protected VulkanDeviceResource
+    class _OgreVulkanExport VulkanCache final : public OgreAllocatedObj, protected VulkanDeviceResource
     {
     protected:
         struct VkRenderPassCreateInfoCmp
diff --git a/RenderSystems/Vulkan/include/OgreVulkanDiscardBufferManager.h b/RenderSystems/Vulkan/include/OgreVulkanDiscardBufferManager.h
index 292be10149..7097b7ac35 100644
--- a/RenderSystems/Vulkan/include/OgreVulkanDiscardBufferManager.h
+++ b/RenderSystems/Vulkan/include/OgreVulkanDiscardBufferManager.h
@@ -45,8 +45,8 @@ namespace Ogre
     ///
     /// We need Discard for the v1 interfaces. So we need to emulate it.
     /// This class does exactly this.
-    class _OgreVulkanExport VulkanDiscardBufferManager : public OgreAllocatedObj,
-                                                         protected VulkanDeviceResource
+    class _OgreVulkanExport VulkanDiscardBufferManager final : public OgreAllocatedObj,
+                                                               protected VulkanDeviceResource
     {
     public:
         struct UnsafeBlock : public VulkanVaoManager::Block