diff --git a/target/linux/mvebu/image/cortexa72.mk b/target/linux/mvebu/image/cortexa72.mk
index 84ce0cda9a..47d958b2fd 100644
--- a/target/linux/mvebu/image/cortexa72.mk
+++ b/target/linux/mvebu/image/cortexa72.mk
@@ -68,7 +68,6 @@ define Device/iei_puzzle-m901
   DEVICE_VENDOR := iEi
   DEVICE_MODEL := Puzzle-M901
   SOC := cn9131
-  IMAGE/sdcard.img.gz := boot-img-ext4 | sdcard-img-ext4 | gzip | append-metadata
 endef
 TARGET_DEVICES += iei_puzzle-m901
 
@@ -77,6 +76,5 @@ define Device/iei_puzzle-m902
   DEVICE_VENDOR := iEi
   DEVICE_MODEL := Puzzle-M902
   SOC := cn9132
-  IMAGE/sdcard.img.gz := boot-img-ext4 | sdcard-img-ext4 | gzip | append-metadata
 endef
 TARGET_DEVICES += iei_puzzle-m902