diff --git a/board/stmicroelectronics/stm32mp157c-dk2/genimage.cfg b/board/stmicroelectronics/stm32mp157c-dk2/genimage.cfg
index 2b9e832dc9..d1ce530cc5 100644
--- a/board/stmicroelectronics/stm32mp157c-dk2/genimage.cfg
+++ b/board/stmicroelectronics/stm32mp157c-dk2/genimage.cfg
@@ -19,6 +19,5 @@ image sdcard.img {
 		image = "rootfs.ext4"
 		partition-type = 0x83
 		bootable = "yes"
-		size = 256M
 	}
 }