diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 1248547..3ff7785 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -162,7 +162,6 @@
 	select ACPI_NUMA
 	select SWIOTLB
 	select PCI_MSI
-	select DMAR
 	help
 	  This selects the system type of your hardware.  A "generic" kernel
 	  will run on any supported IA-64 system.  However, if you configure
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 1d7bca0..0e5cd14 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -234,3 +234,4 @@
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC_T10DIF=y
 CONFIG_MISC_DEVICES=y
+CONFIG_DMAR=y