diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h
index 7c79ed6138..06073cbb61 100644
--- a/include/configs/rk3288_common.h
+++ b/include/configs/rk3288_common.h
@@ -35,6 +35,8 @@
 #define SDRAM_BANK_SIZE			(2UL << 30)
 #define SDRAM_MAX_SIZE			0xfe000000
 
+#define CONFIG_SYS_MONITOR_LEN (600 * 1024)
+
 #ifndef CONFIG_SPL_BUILD
 /* usb otg */
 
diff --git a/include/configs/tinker_rk3288.h b/include/configs/tinker_rk3288.h
index 32057b3dbb..5adae68c91 100644
--- a/include/configs/tinker_rk3288.h
+++ b/include/configs/tinker_rk3288.h
@@ -18,6 +18,5 @@
 	func(DHCP, dchp, na)
 
 #define CONFIG_SYS_MMC_ENV_DEV 1
-#define CONFIG_SYS_MONITOR_LEN (600 * 1024)
 
 #endif