bug-14786: CmdBufferOptimizeFlags -> CmdBufferUsageFlags
diff --git a/demos/cube.c b/demos/cube.c
index 37e55fa..6792627 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -479,8 +479,7 @@
         VkCmdBufferBeginInfo cmd_buf_info = {
             .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO,
             .pNext = NULL,
-            .flags = VK_CMD_BUFFER_OPTIMIZE_SMALL_BATCH_BIT |
-                VK_CMD_BUFFER_OPTIMIZE_ONE_TIME_SUBMIT_BIT,
+            .flags = 0,
             .renderPass = { VK_NULL_HANDLE },
             .subpass = 0,
             .framebuffer = { VK_NULL_HANDLE },
@@ -523,7 +522,7 @@
     const VkCmdBufferBeginInfo cmd_buf_info = {
         .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO,
         .pNext = NULL,
-        .flags = VK_CMD_BUFFER_OPTIMIZE_SMALL_BATCH_BIT,
+        .flags = 0,
         .renderPass = { VK_NULL_HANDLE },
         .subpass = 0,
         .framebuffer = { VK_NULL_HANDLE },