Index: VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_drv.h
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Additions/linux/drm/vbox_drv.h
+++ VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_drv.h
@@ -160,9 +160,9 @@
 # include <drm/drm_device.h>
 # include <drm/drm_ioctl.h>
 # include <drm/drm_fourcc.h>
-# if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_RANGE(8,7, 8,99) && !RTLNX_RHEL_MAJ_PREREQ(9,1)
-#  include <drm/drm_irq.h>
-# endif
+//# if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_RANGE(8,7, 8,99) && !RTLNX_RHEL_MAJ_PREREQ(9,1)
+//#  include <drm/drm_irq.h>
+//# endif
 # include <drm/drm_vblank.h>
 #else /* < 5.5.0 || RHEL < 8.3 || SLES < 15-SP3 */
 # include <drm/drmP.h>
@@ -188,9 +188,7 @@
 # include <drm/ttm/ttm_resource.h>
 #endif
 
-#if RTLNX_VER_MIN(6,0,0)
 # include <drm/drm_framebuffer.h>
-#endif
 
 #include "vboxvideo_guest.h"
 #include "vboxvideo_vbe.h"
Index: VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_drv.c
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Additions/linux/drm/vbox_drv.c
+++ VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_drv.c
@@ -52,13 +52,7 @@
 
 /** Detect whether kernel mode setting is OFF. */
 #if defined(CONFIG_VGA_CONSOLE)
-# if RTLNX_VER_MIN(5,17,0)
 #  define VBOX_VIDEO_NOMODESET() drm_firmware_drivers_only() && vbox_modeset == -1
-# elif RTLNX_VER_MIN(4,7,0)
-#  define VBOX_VIDEO_NOMODESET() vgacon_text_force() && vbox_modeset == -1
-# else /* < 4.7.0 */
-# define VBOX_VIDEO_NOMODESET() 0
-# endif /* < 4.7.0 */
 #else /* !CONFIG_VGA_CONSOLE */
 # define VBOX_VIDEO_NOMODESET() 0
 #endif /* !CONFIG_VGA_CONSOLE */
@@ -369,7 +363,7 @@ static struct drm_driver driver = {
 #endif
 
 	.fops = &vbox_fops,
-#if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_RANGE(8,7, 8,99) && !RTLNX_RHEL_MAJ_PREREQ(9,1)
+#if RTLNX_VER_MIN(5,15,0)
 	.irq_handler = vbox_irq_handler,
 #endif
 	.name = DRIVER_NAME,
Index: VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_irq.c
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Additions/linux/drm/vbox_irq.c
+++ VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_irq.c
@@ -205,21 +205,11 @@ int vbox_irq_init(struct vbox_private *v
 {
 	INIT_WORK(&vbox->hotplug_work, vbox_hotplug_worker);
 	vbox_update_mode_hints(vbox);
-#if RTLNX_VER_MIN(5,15,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,1)
 	return request_irq(VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq, vbox_irq_handler, IRQF_SHARED, vbox->dev->driver->name, vbox->dev);
-#elif RTLNX_VER_MIN(3,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,1)
-	return drm_irq_install(vbox->dev, VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq);
-#else
-	return drm_irq_install(vbox->dev);
-#endif
 }
 
 void vbox_irq_fini(struct vbox_private *vbox)
 {
-#if RTLNX_VER_MIN(5,15,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,1)
 	free_irq(VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq, vbox->dev);
-#else
-	drm_irq_uninstall(vbox->dev);
-#endif
 	flush_work(&vbox->hotplug_work);
 }
Index: VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_ttm.c
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Additions/linux/drm/vbox_ttm.c
+++ VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_ttm.c
@@ -320,7 +320,7 @@ static struct ttm_tt *vbox_ttm_tt_create
 	if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) {
 #elif RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_RANGE(8,5, 8,99)
 	if (ttm_tt_init(tt, bo, page_flags)) {
-#elif RTLNX_VER_MAX(5,19,0)
+#elif RTLNX_VER_MAX(5,14,0)
 	if (ttm_tt_init(tt, bo, page_flags, ttm_write_combined)) {
 #else
 	if (ttm_tt_init(tt, bo, page_flags, ttm_write_combined, 0)) {
@@ -622,11 +622,7 @@ int vbox_bo_create(struct drm_device *de
 	drm_vma_node_reset(&vboxbo->bo.base.vma_node);
 #endif
 
-#if RTLNX_VER_MIN(6,1,0)
 	ret = ttm_bo_init_validate(&vbox->ttm.bdev, &vboxbo->bo,
-#else
-	ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size,
-#endif /* < 6.1.0 */
 			  ttm_bo_type_device, &vboxbo->placement,
 #if RTLNX_VER_MAX(4,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) && !defined(SUSE_SLE12)
 			  align >> PAGE_SHIFT, false, NULL, acc_size,
Index: VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_mode.c
===================================================================
--- VirtualBox-7.0.6.orig/src/VBox/Additions/linux/drm/vbox_mode.c
+++ VirtualBox-7.0.6/src/VBox/Additions/linux/drm/vbox_mode.c
@@ -46,9 +46,7 @@
 # include <drm/drm_probe_helper.h>
 #endif
 
-#if RTLNX_VER_MIN(6,0,0)
 # include <drm/drm_edid.h>
-#endif
 
 #include "VBoxVideo.h"