diff --git a/target/linux/brcm47xx/config-2.6.34 b/target/linux/brcm47xx/config-2.6.34
index d58c0c993e..5a322145db 100644
--- a/target/linux/brcm47xx/config-2.6.34
+++ b/target/linux/brcm47xx/config-2.6.34
@@ -134,7 +134,6 @@ CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
 # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
 # CONFIG_IP_ROUTE_VERBOSE is not set
 CONFIG_IRQ_CPU=y
-# CONFIG_ISDN is not set
 # CONFIG_JFFS2_ZLIB is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KSZ884X_PCI is not set