diff --git a/package/kernel/modules/other.mk b/package/kernel/modules/other.mk
index bae8fe39f..abac4811d 100644
--- a/package/kernel/modules/other.mk
+++ b/package/kernel/modules/other.mk
@@ -893,7 +893,9 @@ define KernelPackage/serial-8250
   	CONFIG_SERIAL_8250_RUNTIME_UARTS=16 \
   	CONFIG_SERIAL_8250_EXTENDED=y \
   	CONFIG_SERIAL_8250_MANY_PORTS=y \
-  	CONFIG_SERIAL_8250_SHARE_IRQ=y
+	CONFIG_SERIAL_8250_SHARE_IRQ=y \
+	CONFIG_SERIAL_8250_DETECT_IRQ=n \
+	CONFIG_SERIAL_8250_RSA=n
   FILES:=$(LINUX_DIR)/drivers/tty/serial/8250.ko
 endef