diff --git a/release/arm/BANANAPI.conf b/release/arm/BANANAPI.conf
index a29576979c21..aeec84246812 100644
--- a/release/arm/BANANAPI.conf
+++ b/release/arm/BANANAPI.conf
@@ -11,7 +11,7 @@ KERNEL="A20"
 WORLD_FLAGS="${WORLD_FLAGS} UBLDR_LOADADDR=0x42000000"
 IMAGE_SIZE="1G"
 PART_SCHEME="MBR"
-FAT_SIZE="32m -b 1m"
+FAT_SIZE="32m"
 FAT_TYPE="16"
 MD_ARGS="-x 63 -y 255"
 NODOC=1
diff --git a/release/arm/CUBIEBOARD.conf b/release/arm/CUBIEBOARD.conf
index ee5be7294a9b..dfe3c5c01b26 100644
--- a/release/arm/CUBIEBOARD.conf
+++ b/release/arm/CUBIEBOARD.conf
@@ -11,7 +11,7 @@ KERNEL="CUBIEBOARD"
 WORLD_FLAGS="${WORLD_FLAGS} UBLDR_LOADADDR=0x42000000"
 IMAGE_SIZE="1G"
 PART_SCHEME="MBR"
-FAT_SIZE="32m -b 1m"
+FAT_SIZE="32m"
 FAT_TYPE="16"
 MD_ARGS="-x 63 -y 255"
 NODOC=1
diff --git a/release/arm/CUBIEBOARD2.conf b/release/arm/CUBIEBOARD2.conf
index dc2ef0fa9af5..fd98e4963094 100644
--- a/release/arm/CUBIEBOARD2.conf
+++ b/release/arm/CUBIEBOARD2.conf
@@ -11,7 +11,7 @@ KERNEL="A20"
 WORLD_FLAGS="${WORLD_FLAGS} UBLDR_LOADADDR=0x42000000"
 IMAGE_SIZE="1G"
 PART_SCHEME="MBR"
-FAT_SIZE="32m -b 1m"
+FAT_SIZE="32m"
 FAT_TYPE="16"
 MD_ARGS="-x 63 -y 255"
 NODOC=1