diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 80ec08e20d..1754595850 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -69,8 +69,6 @@
 
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE	UART1_BASE
-#define CONFIG_HW_WATCHDOG
-#define CONFIG_IMX_WATCHDOG
 #define CONFIG_MXC_GPIO
 
 #define CONFIG_HARD_SPI