diff --git a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
index 11326a2..afc9ea0 100644
--- a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
+++ b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
@@ -216,6 +216,18 @@
             creator.name = source_params['image_name'].strip()
             logger.debug("The name of the image is: %s", creator.name)
 
+    @staticmethod
+    def _install_payload(source_params, iso_dir):
+        """
+        Copies contents of payload directory (as specified in 'payload_dir' param) into iso_dir
+        """
+
+        if source_params.get('payload_dir'):
+            payload_dir = source_params['payload_dir']
+
+            logger.debug("Payload directory: %s", payload_dir)
+            shutil.copytree(payload_dir, iso_dir, symlinks=True, dirs_exist_ok=True)
+
     @classmethod
     def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
                              oe_builddir, bootimg_dir, kernel_dir,
@@ -228,6 +240,8 @@
 
         isodir = "%s/ISO" % cr_workdir
 
+        cls._install_payload(source_params, isodir)
+
         if part.rootfs_dir is None:
             if not 'ROOTFS_DIR' in rootfs_dir:
                 raise WicError("Couldn't find --rootfs-dir, exiting.")
diff --git a/poky/scripts/postinst-intercepts/update_udev_hwdb b/poky/scripts/postinst-intercepts/update_udev_hwdb
index 102e99b..8076b8a 100644
--- a/poky/scripts/postinst-intercepts/update_udev_hwdb
+++ b/poky/scripts/postinst-intercepts/update_udev_hwdb
@@ -17,5 +17,6 @@
 		;;
 esac
 
+rm -f $D${UDEVLIBDIR}/udev/hwdb.bin
 PSEUDO_UNLOAD=1 ${binprefix}qemuwrapper -L $D $D${libexecdir}/${binprefix}udevadm hwdb --update --root $D ${UDEV_EXTRA_ARGS}
 chown root:root $D${UDEVLIBDIR}/udev/hwdb.bin