diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index d28bdabcc87ee5dea26088451ebcadae59e38779..7ef4a099defcda7f2d4e70fb7b3edec77361f2ec 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -255,7 +255,6 @@ CONFIG_RTC_CLASS=y
 CONFIG_DMADEVICES=y
 CONFIG_EEEPC_LAPTOP=y
 CONFIG_AMD_IOMMU=y
-CONFIG_AMD_IOMMU_STATS=y
 CONFIG_INTEL_IOMMU=y
 # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
 CONFIG_EFI_VARS=y
diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h
index 0bd9eb374462c693292c826de41b7c8d8d9ab1e4..a1f3346736e566f8126b9aced93c3a89b90195c3 100644
--- a/drivers/iommu/amd_iommu_proto.h
+++ b/drivers/iommu/amd_iommu_proto.h
@@ -78,12 +78,6 @@ static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
 extern int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid,
 				  int status, int tag);
 
-#ifndef CONFIG_AMD_IOMMU_STATS
-
-static inline void amd_iommu_stats_init(void) { }
-
-#endif /* !CONFIG_AMD_IOMMU_STATS */
-
 static inline bool is_rd890_iommu(struct pci_dev *pdev)
 {
 	return (pdev->vendor == PCI_VENDOR_ID_ATI) &&