diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index f467cc4b498e..3e0696cf965c 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1723,31 +1723,6 @@ static void dma_ops_free_iova(struct dma_ops_domain *dma_dom,
  *
  ****************************************************************************/
 
-/*
- * This function adds a protection domain to the global protection domain list
- */
-static void add_domain_to_list(struct protection_domain *domain)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&amd_iommu_pd_lock, flags);
-	list_add(&domain->list, &amd_iommu_pd_list);
-	spin_unlock_irqrestore(&amd_iommu_pd_lock, flags);
-}
-
-/*
- * This function removes a protection domain to the global
- * protection domain list
- */
-static void del_domain_from_list(struct protection_domain *domain)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&amd_iommu_pd_lock, flags);
-	list_del(&domain->list);
-	spin_unlock_irqrestore(&amd_iommu_pd_lock, flags);
-}
-
 static u16 domain_id_alloc(void)
 {
 	int id;
@@ -1838,8 +1813,6 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom)
 	if (!dom)
 		return;
 
-	del_domain_from_list(&dom->domain);
-
 	put_iova_domain(&dom->iovad);
 
 	free_pagetable(&dom->domain);
@@ -1880,8 +1853,6 @@ static struct dma_ops_domain *dma_ops_domain_alloc(void)
 	/* Initialize reserved ranges */
 	copy_reserved_iova(&reserved_iova_ranges, &dma_dom->iovad);
 
-	add_domain_to_list(&dma_dom->domain);
-
 	return dma_dom;
 
 free_dma_dom:
@@ -2834,8 +2805,6 @@ static void protection_domain_free(struct protection_domain *domain)
 	if (!domain)
 		return;
 
-	del_domain_from_list(domain);
-
 	if (domain->id)
 		domain_id_free(domain->id);
 
@@ -2865,8 +2834,6 @@ static struct protection_domain *protection_domain_alloc(void)
 	if (protection_domain_init(domain))
 		goto out_err;
 
-	add_domain_to_list(domain);
-
 	return domain;
 
 out_err:
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 1b1378619fc9..4497c6bb9e70 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -188,12 +188,6 @@ static bool amd_iommu_pc_present __read_mostly;
 
 bool amd_iommu_force_isolation __read_mostly;
 
-/*
- * List of protection domains - used during resume
- */
-LIST_HEAD(amd_iommu_pd_list);
-spinlock_t amd_iommu_pd_lock;
-
 /*
  * Pointer to the device table which is shared by all AMD IOMMUs
  * it is indexed by the PCI device id or the HT unit id and contains
@@ -2526,8 +2520,6 @@ static int __init early_amd_iommu_init(void)
 	 */
 	__set_bit(0, amd_iommu_pd_alloc_bitmap);
 
-	spin_lock_init(&amd_iommu_pd_lock);
-
 	/*
 	 * now the data structures are allocated and basically initialized
 	 * start the real acpi table scan
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 87965e4d9647..85c488b8daea 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -674,12 +674,6 @@ extern struct list_head amd_iommu_list;
  */
 extern struct amd_iommu *amd_iommus[MAX_IOMMUS];
 
-/*
- * Declarations for the global list of all protection domains
- */
-extern spinlock_t amd_iommu_pd_lock;
-extern struct list_head amd_iommu_pd_list;
-
 /*
  * Structure defining one entry in the device table
  */