diff --git a/target/linux/ramips/rt288x/config-2.6.32 b/target/linux/ramips/rt288x/config-2.6.32
index c21ba4b745..786174fb09 100644
--- a/target/linux/ramips/rt288x/config-2.6.32
+++ b/target/linux/ramips/rt288x/config-2.6.32
@@ -81,8 +81,6 @@ CONFIG_HW_RANDOM=m
 CONFIG_IMAGE_CMDLINE_HACK=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQ_CPU=y
-# CONFIG_ISDN_CAPI is not set
-# CONFIG_ISDN_I4L is not set
 # CONFIG_LEDS_GPIO is not set
 # CONFIG_MACH_ALCHEMY is not set
 # CONFIG_MACH_DECSTATION is not set
diff --git a/target/linux/ramips/rt305x/config-2.6.32 b/target/linux/ramips/rt305x/config-2.6.32
index 8ceb2ecc77..9e8030aaac 100644
--- a/target/linux/ramips/rt305x/config-2.6.32
+++ b/target/linux/ramips/rt305x/config-2.6.32
@@ -79,8 +79,6 @@ CONFIG_HW_RANDOM=m
 CONFIG_IMAGE_CMDLINE_HACK=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQ_CPU=y
-# CONFIG_ISDN_CAPI is not set
-# CONFIG_ISDN_I4L is not set
 # CONFIG_LEDS_GPIO is not set
 # CONFIG_MACH_ALCHEMY is not set
 # CONFIG_MACH_DECSTATION is not set