diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 140cfe3782fb..35e06b382603 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -196,10 +196,8 @@ extern const struct sysfs_ops ioat_sysfs_ops;
 extern struct ioat_sysfs_entry ioat_version_attr;
 extern struct ioat_sysfs_entry ioat_cap_attr;
 extern int ioat_pending_level;
-extern int ioat_ring_alloc_order;
 extern struct kobj_type ioat_ktype;
 extern struct kmem_cache *ioat_cache;
-extern int ioat_ring_max_alloc_order;
 extern struct kmem_cache *ioat_sed_cache;
 
 static inline struct ioatdma_chan *to_ioat_chan(struct dma_chan *c)