diff --git a/srpt/src/ib_backport.h b/srpt/src/ib_backport.h
deleted file mode 100644
index da11c76d8..000000000
--- a/srpt/src/ib_backport.h
+++ /dev/null
@@ -1,136 +0,0 @@
-#include <linux/dma-mapping.h>
-
-/* <rdma/ib_verbs.h> */
-#ifndef HAVE_IB_DMA_MAP_OPS
-static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
-{
-	return dma_mapping_error(dev->dma_device, dma_addr);
-}
-
-static inline u64 ib_dma_map_single(struct ib_device *dev,
-				    void *cpu_addr, size_t size,
-				    enum dma_data_direction direction)
-{
-	return dma_map_single(dev->dma_device, cpu_addr, size, direction);
-}
-
-static inline void ib_dma_unmap_single(struct ib_device *dev,
-				       u64 addr, size_t size,
-				       enum dma_data_direction direction)
-{
-	dma_unmap_single(dev->dma_device, addr, size, direction);
-}
-
-static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
-					  void *cpu_addr, size_t size,
-					  enum dma_data_direction direction,
-					  unsigned long dma_attrs)
-{
-	return dma_map_single_attrs(dev->dma_device, cpu_addr, size,
-				    direction, dma_attrs);
-}
-
-static inline void ib_dma_unmap_single_attrs(struct ib_device *dev,
-					     u64 addr, size_t size,
-					     enum dma_data_direction direction,
-					     unsigned long dma_attrs)
-{
-	return dma_unmap_single_attrs(dev->dma_device, addr, size,
-				      direction, dma_attrs);
-}
-
-static inline u64 ib_dma_map_page(struct ib_device *dev,
-				  struct page *page,
-				  unsigned long offset,
-				  size_t size,
-				  enum dma_data_direction direction)
-{
-	return dma_map_page(dev->dma_device, page, offset, size, direction);
-}
-
-static inline void ib_dma_unmap_page(struct ib_device *dev,
-				     u64 addr, size_t size,
-				     enum dma_data_direction direction)
-{
-	dma_unmap_page(dev->dma_device, addr, size, direction);
-}
-
-static inline int ib_dma_map_sg(struct ib_device *dev,
-				struct scatterlist *sg, int nents,
-				enum dma_data_direction direction)
-{
-	return dma_map_sg(dev->dma_device, sg, nents, direction);
-}
-
-static inline void ib_dma_unmap_sg(struct ib_device *dev,
-				   struct scatterlist *sg, int nents,
-				   enum dma_data_direction direction)
-{
-	dma_unmap_sg(dev->dma_device, sg, nents, direction);
-}
-
-static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
-				      struct scatterlist *sg, int nents,
-				      enum dma_data_direction direction,
-				      unsigned long dma_attrs)
-{
-	return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
-				dma_attrs);
-}
-
-static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
-					 struct scatterlist *sg, int nents,
-					 enum dma_data_direction direction,
-					 unsigned long dma_attrs)
-{
-	dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
-}
-
-static inline u64 ib_sg_dma_address(struct ib_device *dev,
-				    struct scatterlist *sg)
-{
-	return sg_dma_address(sg);
-}
-
-static inline unsigned int ib_sg_dma_len(struct ib_device *dev,
-					 struct scatterlist *sg)
-{
-	return sg_dma_len(sg);
-}
-
-static inline void ib_dma_sync_single_for_cpu(struct ib_device *dev,
-					      u64 addr,
-					      size_t size,
-					      enum dma_data_direction dir)
-{
-	dma_sync_single_for_cpu(dev->dma_device, addr, size, dir);
-}
-
-static inline void ib_dma_sync_single_for_device(struct ib_device *dev,
-						 u64 addr,
-						 size_t size,
-						 enum dma_data_direction dir)
-{
-	dma_sync_single_for_device(dev->dma_device, addr, size, dir);
-}
-
-static inline void *ib_dma_alloc_coherent(struct ib_device *dev,
-                                          size_t size,
-                                          u64 *dma_handle,
-                                          gfp_t flag)
-{
-	dma_addr_t handle;
-	void *ret;
-
-	ret = dma_alloc_coherent(dev->dma_device, size, &handle, flag);
-	*dma_handle = handle;
-	return ret;
-}
-
-static inline void ib_dma_free_coherent(struct ib_device *dev,
-					size_t size, void *cpu_addr,
-					u64 dma_handle)
-{
-	dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle);
-}
-#endif
diff --git a/srpt/src/ib_srpt.c b/srpt/src/ib_srpt.c
index 60ee534f9..c65c76b15 100644
--- a/srpt/src/ib_srpt.c
+++ b/srpt/src/ib_srpt.c
@@ -59,7 +59,6 @@
 #endif
 #endif
 #include <rdma/ib_cache.h>
-#include "ib_backport.h"
 #include "ib_srpt.h"
 #include "srp-ext.h"
 #define LOG_PREFIX "ib_srpt" /* Prefix for SCST tracing macros. */