diff --git a/target/linux/x86/64/config-4.19 b/target/linux/x86/64/config-4.19
index 3d18d216f4..f5c82dcb91 100644
--- a/target/linux/x86/64/config-4.19
+++ b/target/linux/x86/64/config-4.19
@@ -75,8 +75,8 @@ CONFIG_NVME_MULTIPATH=y
 CONFIG_BLK_MQ_VIRTIO=y
 # CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set
 CONFIG_BTT=y
-# CONFIG_CALGARY_IOMMU=y
-# CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
+# CONFIG_CALGARY_IOMMU is not set
+# CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT is not set
 CONFIG_CONNECTOR=y
 # CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set
 CONFIG_CPU_RMAP=y