diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index fbe2c2eddea9..a2c39bcc7677 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -96,8 +96,6 @@ int xe_display_create(struct xe_device *xe)
 
 	xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
 
-	drmm_mutex_init(&xe->drm, &xe->sb_lock);
-
 	return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
 }
 
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index fd343a1cb9b5..7674afbb3a30 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -499,9 +499,6 @@ struct xe_device {
 	/* To shut up runtime pm macros.. */
 	struct xe_runtime_pm {} runtime_pm;
 
-	/* For pcode */
-	struct mutex sb_lock;
-
 	/* only to allow build, not used functionally */
 	u32 irq_mask;