diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 6f309e42c6a6..9cc1cf458954 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -1165,16 +1165,10 @@ static void dummy_tlb_sync(void *cookie)
 	WARN_ON(cookie != cfg_cookie);
 }
 
-static void dummy_flush_pgtable(void *ptr, size_t size, void *cookie)
-{
-	WARN_ON(cookie != cfg_cookie);
-}
-
 static struct iommu_gather_ops dummy_tlb_ops __initdata = {
 	.tlb_flush_all	= dummy_tlb_flush_all,
 	.tlb_add_flush	= dummy_tlb_add_flush,
 	.tlb_sync	= dummy_tlb_sync,
-	.flush_pgtable	= dummy_flush_pgtable,
 };
 
 static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops)
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index 4501f6e68363..3fef5457ff6c 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -22,7 +22,6 @@ enum io_pgtable_fmt {
  * @tlb_sync:      Ensure any queued TLB invalidation has taken effect, and
  *                 any corresponding page table updates are visible to the
  *                 IOMMU.
- * @flush_pgtable: Ensure page table updates are visible to the IOMMU.
  * @alloc_pages_exact: Allocate page table memory (optional, defaults to
  *                     alloc_pages_exact)
  * @free_pages_exact:  Free page table memory (optional, defaults to
@@ -36,7 +35,6 @@ struct iommu_gather_ops {
 	void (*tlb_add_flush)(unsigned long iova, size_t size, bool leaf,
 			      void *cookie);
 	void (*tlb_sync)(void *cookie);
-	void (*flush_pgtable)(void *ptr, size_t size, void *cookie);
 	void *(*alloc_pages_exact)(void *cookie, size_t size, gfp_t gfp_mask);
 	void (*free_pages_exact)(void *cookie, void *virt, size_t size);
 };