diff --git a/flash_all.sh b/flash_all.sh
index b76ba5b..e075ccc 100755
--- a/flash_all.sh
+++ b/flash_all.sh
@@ -3,7 +3,6 @@
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 cd $DIR
 
-fastboot format userdata
 ./flash_bootloader.sh
 ./flash_kernel.sh
 ./flash_system.sh