diff --git a/sys/arm/nvidia/drm2/tegra_bo.c b/sys/arm/nvidia/drm2/tegra_bo.c
--- a/sys/arm/nvidia/drm2/tegra_bo.c
+++ b/sys/arm/nvidia/drm2/tegra_bo.c
@@ -71,7 +71,7 @@
 
 	vm_object_deallocate(bo->cdev_pager);
 	if (bo->vbase != 0)
-		vmem_free(kmem_arena, bo->vbase, size);
+		vmem_free(kernel_arena, bo->vbase, size);
 }
 
 static void
@@ -137,7 +137,7 @@
 	size = round_page(bo->gem_obj.size);
 
 	bo->pbase = VM_PAGE_TO_PHYS(bo->m[0]);
-	if (vmem_alloc(kmem_arena, size, M_WAITOK | M_BESTFIT, &bo->vbase))
+	if (vmem_alloc(kernel_arena, size, M_WAITOK | M_BESTFIT, &bo->vbase))
 		return (ENOMEM);
 
 	VM_OBJECT_WLOCK(bo->cdev_pager);
diff --git a/sys/kern/subr_vmem.c b/sys/kern/subr_vmem.c
--- a/sys/kern/subr_vmem.c
+++ b/sys/kern/subr_vmem.c
@@ -236,9 +236,7 @@
 static struct vmem kernel_arena_storage;
 static struct vmem buffer_arena_storage;
 static struct vmem transient_arena_storage;
-/* kernel and kmem arenas are aliased for backwards KPI compat. */
 vmem_t *kernel_arena = &kernel_arena_storage;
-vmem_t *kmem_arena = &kernel_arena_storage;
 vmem_t *buffer_arena = &buffer_arena_storage;
 vmem_t *transient_arena = &transient_arena_storage;
 
diff --git a/sys/vm/vm_kern.h b/sys/vm/vm_kern.h
--- a/sys/vm/vm_kern.h
+++ b/sys/vm/vm_kern.h
@@ -69,7 +69,6 @@
 extern struct vm_map pipe_map_store;
 #define	pipe_map	(&pipe_map_store)
 extern struct vmem *kernel_arena;
-extern struct vmem *kmem_arena;
 extern struct vmem *buffer_arena;
 extern struct vmem *transient_arena;
 extern struct vmem *memguard_arena;