diff --git a/recipes-apps/images/sysmocom-bsc-e1-image-directdisk.bb b/recipes-apps/images/sysmocom-bsc-e1-image-directdisk.bb
index 3ab18d5..4ae1318 100644
--- a/recipes-apps/images/sysmocom-bsc-e1-image-directdisk.bb
+++ b/recipes-apps/images/sysmocom-bsc-e1-image-directdisk.bb
@@ -7,13 +7,6 @@ LICENSE = "MIT"
 inherit boot-directdisk
 
 
-do_bootdirectdisk_prepend () {
-	import bb
-	fstypes = bb.data.getVar('IMAGE_FSTYPES', d, True)
-	if 'ext3' not in fstypes:
-		bb.msg.fatal(bb.msg.domain.Build, "ext3 not in IMAGE_FSTYPES")
-}
-
 ROOTFS = "${DEPLOY_DIR_IMAGE}/sysmocom-bsc-e1-image-${MACHINE}.ext3"
 do_bootdirectdisk[depends] += "sysmocom-bsc-e1-image:do_rootfs"
 
diff --git a/recipes-apps/images/sysmocom-bsc-ip-image-directdisk.bb b/recipes-apps/images/sysmocom-bsc-ip-image-directdisk.bb
index 0ebfa93..6dc4aea 100644
--- a/recipes-apps/images/sysmocom-bsc-ip-image-directdisk.bb
+++ b/recipes-apps/images/sysmocom-bsc-ip-image-directdisk.bb
@@ -7,13 +7,6 @@ LICENSE = "MIT"
 inherit boot-directdisk
 
 
-do_bootdirectdisk_prepend () {
-	import bb
-	fstypes = bb.data.getVar('IMAGE_FSTYPES', d, True)
-	if 'ext3' not in fstypes:
-		bb.msg.fatal(bb.msg.domain.Build, "ext3 not in IMAGE_FSTYPES")
-}
-
 ROOTFS = "${DEPLOY_DIR_IMAGE}/sysmocom-bsc-ip-image-${MACHINE}.ext3"
 do_bootdirectdisk[depends] += "sysmocom-bsc-ip-image:do_rootfs"