diff --git a/build-tests/x86/tumbleweed/test-image-MicroOS/root/etc/fstab.script b/build-tests/x86/tumbleweed/test-image-MicroOS/root/etc/fstab.script
deleted file mode 100755
index 2e59922c..00000000
--- a/build-tests/x86/tumbleweed/test-image-MicroOS/root/etc/fstab.script
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-set -eux
-
-/usr/sbin/setup-fstab-for-overlayfs
-# If /var is on a different partition than /...
-if [ "$(findmnt -snT / -o SOURCE)" != "$(findmnt -snT /var -o SOURCE)" ]; then
-    # ... set options for autoexpanding /var
-    gawk -i inplace '$2 == "/var" { $4 = $4",x-growpart.grow,x-systemd.growfs" } { print $0 }' /etc/fstab
-fi