diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index eb879ff..a306bd2 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -71,7 +71,7 @@ image_do_mounts() {
 }
 
 ROOTFSDIR = "${IMAGE_ROOTFS}"
-ROOTFS_FEATURES += "clean-package-cache generate-manifest export-dpkg-status clean-log-files"
+ROOTFS_FEATURES += "clean-package-cache generate-manifest export-dpkg-status clean-log-files clean-debconf-cache"
 ROOTFS_PACKAGES += "${IMAGE_PREINSTALL} ${IMAGE_INSTALL}"
 ROOTFS_MANIFEST_DEPLOY_DIR ?= "${DEPLOY_DIR_IMAGE}"
 ROOTFS_DPKGSTATUS_DEPLOY_DIR ?= "${DEPLOY_DIR_IMAGE}"
diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
index b021e72..78f4ba6 100644
--- a/meta/classes/rootfs.bbclass
+++ b/meta/classes/rootfs.bbclass
@@ -243,6 +243,12 @@ rootfs_postprocess_clean_log_files() {
         -exec rm -f {} ';'
 }
 
+ROOTFS_POSTPROCESS_COMMAND += "${@bb.utils.contains('ROOTFS_FEATURES', 'clean-debconf-cache', 'rootfs_postprocess_clean_debconf_cache', '', d)}"
+rootfs_postprocess_clean_debconf_cache() {
+    # Delete debconf cache files
+    sudo rm -rf "${ROOTFSDIR}/var/cache/debconf/"*
+}
+
 ROOTFS_POSTPROCESS_COMMAND += "${@bb.utils.contains('ROOTFS_FEATURES', 'generate-manifest', 'rootfs_generate_manifest', '', d)}"
 rootfs_generate_manifest () {
     mkdir -p ${ROOTFS_MANIFEST_DEPLOY_DIR}