diff --git a/target/linux/sunxi/cortexa7/config-5.10 b/target/linux/sunxi/cortexa7/config-5.10
index 898461b678..5b402fa228 100644
--- a/target/linux/sunxi/cortexa7/config-5.10
+++ b/target/linux/sunxi/cortexa7/config-5.10
@@ -19,6 +19,7 @@ CONFIG_NET_DSA_TAG_BRCM_PREPEND=y
 CONFIG_NET_SWITCHDEV=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_RTC_DRV_SUN6I=y
+# CONFIG_SUN50I_IOMMU is not set
 CONFIG_USB_MUSB_DUAL_ROLE=y
 # CONFIG_USB_MUSB_GADGET is not set
 CONFIG_USB_MUSB_HDRC=y
diff --git a/target/linux/sunxi/cortexa8/config-5.10 b/target/linux/sunxi/cortexa8/config-5.10
index 579c81c3dc..5507001c37 100644
--- a/target/linux/sunxi/cortexa8/config-5.10
+++ b/target/linux/sunxi/cortexa8/config-5.10
@@ -6,5 +6,6 @@
 CONFIG_PGTABLE_LEVELS=2
 # CONFIG_PHY_SUN9I_USB is not set
 # CONFIG_SPI_SUN6I is not set
+# CONFIG_SUN50I_IOMMU is not set
 # CONFIG_SUN8I_A83T_CCU is not set
 # CONFIG_SUN8I_THERMAL is not set