diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 6a785f8b20..febe8d86ff 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -227,6 +227,5 @@
 #define CONFIG_SYS_MMC_ENV_DEV 0
 
 #define CONFIG_OF_LIBFDT
-#define CONFIG_SYS_BOOTMAPSZ   0x800000
 
 #endif
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h
index 5749a0866a..74aee89e54 100644
--- a/include/configs/mx53evk.h
+++ b/include/configs/mx53evk.h
@@ -193,6 +193,5 @@
 #define CONFIG_SYS_MMC_ENV_DEV 0
 
 #define CONFIG_OF_LIBFDT
-#define CONFIG_SYS_BOOTMAPSZ   0x800000
 
 #endif				/* __CONFIG_H */