diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk
index 8da6216cbf2..61e395813b6 100644
--- a/package/kernel/linux/modules/other.mk
+++ b/package/kernel/linux/modules/other.mk
@@ -563,6 +563,7 @@ $(eval $(call KernelPackage,reed-solomon))
 define KernelPackage/serial-8250
   SUBMENU:=$(OTHER_MENU)
   TITLE:=8250 UARTs
+  DEPENDS:=@!TARGET_uml
   KCONFIG:= CONFIG_SERIAL_8250 \
 	CONFIG_SERIAL_8250_PCI \
 	CONFIG_SERIAL_8250_NR_UARTS=16 \
diff --git a/target/linux/uml/config-6.12 b/target/linux/uml/config-6.12
index 273c10ea4f2..d4f42f88b01 100644
--- a/target/linux/uml/config-6.12
+++ b/target/linux/uml/config-6.12
@@ -107,6 +107,7 @@ CONFIG_RANDSTRUCT_NONE=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_GZIP=y
 CONFIG_RELAY=y
+# CONFIG_SERIAL_8250 is not set
 CONFIG_SG_POOL=y
 CONFIG_SOFT_WATCHDOG=m
 CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y