diff --git a/Makefile b/Makefile
index 4e9142e..ac11ad6 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ $(MAKEDIST_TARGET)-commontools: sysvinit util-linux module-init-tools \
     dosfstools man mbr iptables cups vim iputils sudo postplug xinetd less \
     reiserfsprogs ppp b43-tools mdadm usb-modeswitch \
     ndiswrapper slmodem usbutils ftp telnet eject bluez lsof \
-    tcpdump pcmcia-utils xdg-utils unionfs_utils iproute $(MAKEDIST_TARGET)-firmwares \
+    tcpdump pcmcia-utils xdg-utils iproute $(MAKEDIST_TARGET)-firmwares \
     $(MAKEDIST_TARGET)-devel
 $(MAKEDIST_TARGET)-debug: strace valgrind gdb minicom openssh-server dhcpclient rpm iputils \
     openssh-clients diffutils Mesa-tools kbd mc openmamba-release
diff --git a/platforms/bootusb/post.inc.sh b/platforms/bootusb/post.inc.sh
index 5c692b5..5b43b96 100644
--- a/platforms/bootusb/post.inc.sh
+++ b/platforms/bootusb/post.inc.sh
@@ -2,7 +2,7 @@
 for K in $KERNEL_EXTRAVER $KERNEL_MORE_EXTRAVER; do
    chroot $MOUNTDIR depmod -a ${KERNEL_MAJVER}${K}
    LANG=${LANGUAGE}_${COUNTRY} chroot $MOUNTDIR dracut \
-      --filesystems "ext3 ext4 unionfs squashfs isofs reiserfs" \
+      --filesystems "ext3 ext4 overlayfs squashfs isofs reiserfs" \
       --nomdadmconf --nolvmconf \
       /boot/initramfs-${KERNEL_MAJVER}${K}.img.gz \
       ${KERNEL_MAJVER}${K}
diff --git a/platforms/livecd/post.inc.sh b/platforms/livecd/post.inc.sh
index ee88ffe..93d4393 100644
--- a/platforms/livecd/post.inc.sh
+++ b/platforms/livecd/post.inc.sh
@@ -11,7 +11,7 @@ ISOID=
 for K in $KERNEL_EXTRAVER $KERNEL_MORE_EXTRAVER; do
    chroot $MOUNTDIR depmod -a ${KERNEL_MAJVER}${K}
    LANG=${LANGUAGE}_${COUNTRY} chroot $MOUNTDIR dracut \
-      --filesystems "ext3 ext4 unionfs squashfs isofs reiserfs" \
+      --filesystems "ext3 ext4 overlayfs squashfs isofs reiserfs" \
       --nomdadmconf --nolvmconf \
       /boot/initramfs-${KERNEL_MAJVER}${K}.img.gz \
       ${KERNEL_MAJVER}${K}
diff --git a/platforms/livedvd/post.inc.sh b/platforms/livedvd/post.inc.sh
index ee88ffe..93d4393 100644
--- a/platforms/livedvd/post.inc.sh
+++ b/platforms/livedvd/post.inc.sh
@@ -11,7 +11,7 @@ ISOID=
 for K in $KERNEL_EXTRAVER $KERNEL_MORE_EXTRAVER; do
    chroot $MOUNTDIR depmod -a ${KERNEL_MAJVER}${K}
    LANG=${LANGUAGE}_${COUNTRY} chroot $MOUNTDIR dracut \
-      --filesystems "ext3 ext4 unionfs squashfs isofs reiserfs" \
+      --filesystems "ext3 ext4 overlayfs squashfs isofs reiserfs" \
       --nomdadmconf --nolvmconf \
       /boot/initramfs-${KERNEL_MAJVER}${K}.img.gz \
       ${KERNEL_MAJVER}${K}
diff --git a/platforms/sdk-root/Makefile b/platforms/sdk-root/Makefile
index a34c5d8..779f0db 100644
--- a/platforms/sdk-root/Makefile
+++ b/platforms/sdk-root/Makefile
@@ -15,7 +15,7 @@ $(MAKEDIST_TARGET)-sdk-root: openssh-server usbutils wireless_tools parted \
             tightvnc-server lxde midori $(MAKEDIST_TARGET)-devel icecc
 $(MAKEDIST_TARGET)-sdk-root-missing: wpa_supplicant dosfstools cups vim postplug ipw2100-firmware ipw2200-firmware zd1211-firmware \
             rt2501-firmware rt2870-firmware b43-tools r5u87x-firmware mdadm \
-            ndiswrapper slmodem unionfs_utils nfs-utils mbr
+            ndiswrapper slmodem nfs-utils mbr
 $(MAKEDIST_TARGET)-sdk-root-en:
 $(MAKEDIST_TARGET)-sdk-root-it:
 $(MAKEDIST_TARGET)-sdk-root-es: