diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5ddd4906f7a7..c5648cc1466d 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1269,7 +1269,6 @@ config DEBUG_UART_PHYS
 				DEBUG_S3C2410_UART2)
 	default 0x78000000 if DEBUG_CNS3XXX
 	default 0x7c0003f8 if FOOTBRIDGE
-	default 0x78000000 if DEBUG_CNS3XXX
 	default 0x80010000 if DEBUG_ASM9260_UART
 	default 0x80070000 if DEBUG_IMX23_UART
 	default 0x80074000 if DEBUG_IMX28_UART