diff --git a/mirror/ubuntu/createchroot.mk b/mirror/ubuntu/createchroot.mk
index 73782eeb6..b2fd4a101 100644
--- a/mirror/ubuntu/createchroot.mk
+++ b/mirror/ubuntu/createchroot.mk
@@ -2,7 +2,7 @@
 APT_CONF_TEMPLATES := apt-ftparchive-deb.conf apt-ftparchive-udeb.conf apt-ftparchive-release.conf Release-amd64
 empty_line:=
 define insert_ubuntu_version
-	sudo sed -i $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/$(1) \
+	sed -i $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/$(1) \
 		-e 's|@@UBUNTU_RELEASE@@|$(UBUNTU_RELEASE)|g' \
 		-e 's|@@UBUNTU_RELEASE_NUMBER@@|$(UBUNTU_RELEASE_NUMBER)|g'
 	$(empty_line)
@@ -12,55 +12,40 @@ ifeq (,$(findstring clean,$(MAKECMDGOALS)))
 include $(BUILD_DIR)/ubuntu_installer_kernel_version.mk
 endif
 
+define newline
+
+
+endef
+# there are two blank lines here, this is not an error
+
+define apt_sources_list
+$(if $(subst none,,$(USE_MIRROR)),
+deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE) main,
+deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE) main universe multiverse restricted
+deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE)-updates main universe multiverse restricted
+deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE)-security main universe multiverse restricted
+deb $(MIRROR_UBUNTU_SECURITY) $(UBUNTU_RELEASE)-security main universe multiverse restricted
+deb $(MIRROR_FUEL_UBUNTU) $(UBUNTU_RELEASE) main
+)
+$(if $(EXTRA_DEB_REPOS),$(subst |,$(newline)deb,deb $(EXTRA_DEB_REPOS)))
+endef
+
+define policy_rc_d
+#!/bin/sh
+# suppress starting services in the staging chroot
+exit 101
+endef
+
+$(BUILD_DIR)/mirror/ubuntu/createchroot.done: export APT_SOURCES_LIST:=$(apt_sources_list)
+$(BUILD_DIR)/mirror/ubuntu/createchroot.done: export POLICY_RC_D:=$(policy_rc_d)
+
 $(BUILD_DIR)/mirror/ubuntu/createchroot.done:
 	mkdir -p $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot
-	mkdir -p $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc
-	cp $(SOURCE_DIR)/mirror/ubuntu/multistrap.conf $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/
-	sed -i $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf \
-		-e 's|@@MIRROR_UBUNTU@@|$(MIRROR_UBUNTU)|g' \
-		-e 's|@@MIRROR_UBUNTU_SECURITY@@|$(MIRROR_UBUNTU_SECURITY)|g' \
-		-e 's|@@MIRROR_FUEL_UBUNTU@@|$(MIRROR_FUEL_UBUNTU)|g' \
-		-e 's|@@UBUNTU_RELEASE@@|$(UBUNTU_RELEASE)|g' \
-		-e 's|@@UBUNTU_RELEASE_NUMBER@@|$(UBUNTU_RELEASE_NUMBER)|g'
-ifneq (none,$(strip $(USE_MIRROR)))
-	sed -i $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf \
-		-e '/#ifdef USE_MIRROR_NONE/,/#endif/ { d }'
-endif
-	if [ -n "$(EXTRA_DEB_REPOS)" ]; then \
-		extra_count=0; \
-		extra_repos=""; \
-		IFS='|'; \
-		l='$(EXTRA_DEB_REPOS)'; \
-		set -- $$l; unset IFS; \
-		for repo; do \
-			[ -z "$$repo" ] && continue; \
-			extra_repo=Extra$$extra_count; \
-			echo "[$$extra_repo]"; \
-			echo "omitdebsrc=true"; \
-			case $$repo in \
-			    */) repo=$$repo/; \
-				echo "source=$$repo"; \
-				;; \
-			    *)  set -- $$repo; \
-				if [ $$# -lt 3 ]; then \
-				    echo Incorrect repo \"$$repo\" >&2; \
-				    exit 1; \
-				fi; \
-				url=$$1; \
-				suite=$$2; \
-				shift; shift; \
-				components="$$@"; \
-				echo "source=$$url"; \
-				echo "suite=$$suite"; \
-				echo "components=$$components"; \
-			    ;; \
-			esac; \
-			extra_count=$$(($$extra_count + 1)); \
-			extra_repos="$$extra_repos $$extra_repo"; \
-		done >> $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf; \
-		sed -i -e "s/\(bootstrap\|aptsources\)=.*/\0 $$extra_repos/g" $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf; \
-	fi
-	mount | grep -q $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc || sudo mount -t proc none $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc
+	# Prevent services from being started inside the staging chroot
+	policy_rc_d="$(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/usr/sbin/policy-rc.d"; \
+	mkdir -p "$${policy_rc_d%/*}"; \
+	echo "$${POLICY_RC_D}" > "$${policy_rc_d}"; \
+	chmod 755 "$${policy_rc_d}"
 	mkdir -p $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/init.d
 	# Avoid base packages' configuration errors by preventing the postinst
 	# scripts from fiddling with the services' start order.
@@ -68,30 +53,22 @@ endif
 	# "Errors were while processing: <long-list-of-base-packages>'
 	# and makes it possible to install non-trivial packages in the chroot
 	touch $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/init.d/.legacy-bootordering
-	sudo multistrap -a amd64  -f $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf -d $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot
-	sudo chroot $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot /bin/bash -c "dpkg --configure -a || exit 0"
-	sudo chroot $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot /bin/bash -c "rm -rf /var/run/*"
-	sudo chroot $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot /bin/bash -c "dpkg --configure -a || exit 0"
-	sudo umount $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc
-	sudo rm -f $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/*.list
-	echo deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE) main | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/ubuntu.list
-	if [ "$(USE_MIRROR)" = "none" ]; then \
-	ubuntu_lst="$(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/ubuntu.list"; \
-	echo deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE) universe multiverse restricted | sudo tee -a "$$ubuntu_lst"; \
-	echo deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE)-updates main universe multiverse restricted | sudo tee -a "$$ubuntu_lst"; \
-	echo deb $(MIRROR_UBUNTU) $(UBUNTU_RELEASE)-security main universe multiverse restricted | sudo tee -a "$$ubuntu_lst"; \
-	echo deb $(MIRROR_UBUNTU_SECURITY) $(UBUNTU_RELEASE)-security main universe multiverse restricted | sudo tee -a "$$ubuntu_lst"; \
-	echo deb $(MIRROR_FUEL_UBUNTU) $(UBUNTU_RELEASE) main | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/mirantis.list; \
-	fi
-	echo 'APT::Get::AllowUnauthenticated 1;' | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/apt.conf.d/02mirantis-unauthenticated
-	[ -n "$(EXTRA_DEB_REPOS)" ] && echo "$(EXTRA_DEB_REPOS)" | tr '|' '\n' | while read repo; do echo deb $$repo; done  | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/extra.list || exit 0
-	sudo cp -a $(SOURCE_DIR)/mirror/ubuntu/files/preferences $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt
-	sudo cp -a $(SOURCE_DIR)/requirements-deb.txt $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/
-	sudo cp /etc/resolv.conf $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/resolv.conf
-	sudo mkdir -p $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo
-	sudo rsync -a $(SOURCE_DIR)/mirror/ubuntu/files/ $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/
+	# copy the mirroring script and the list of the packages
+	mkdir -p $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo
+	rsync -a $(SOURCE_DIR)/mirror/ubuntu/files/ $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/
+	cp -a $(SOURCE_DIR)/requirements-deb.txt $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot
 	$(foreach f,$(APT_CONF_TEMPLATES),$(call insert_ubuntu_version,$(f)))
-	sudo chmod +x $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/mkrepo.sh
+	chmod +x $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/mkrepo.sh
+	# bootstrap Ubuntu
+	sudo debootstrap --no-check-gpg --arch=$(UBUNTU_ARCH) \
+		--variant=minbase --include=apt-utils,wget,bzip2 \
+		$(UBUNTU_RELEASE) $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot $(MIRROR_UBUNTU)
+	sudo rm -f $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list.d/*.list
+	echo "$${APT_SOURCES_LIST}" | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/sources.list
+	echo 'APT::Get::AllowUnauthenticated 1;' | sudo tee $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt/apt.conf.d/02mirantis-unauthenticated
+	sudo cp -a $(SOURCE_DIR)/mirror/ubuntu/files/preferences $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/apt
+	sudo rm -f $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/resolv.conf
+	sudo cp /etc/resolv.conf $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/etc/resolv.conf
 	extra_env=""; \
 	if [ -n "$$HTTP_PROXY" ] || [ -n "$$http_proxy" ]; then \
 		HTTP_PROXY="$${HTTP_PROXY:-$${http_proxy}}"; \
@@ -104,5 +81,6 @@ endif
 		UBUNTU_KERNEL_FLAVOR='$(UBUNTU_KERNEL_FLAVOR)' \
 		$$extra_env \
 		/repo/mkrepo.sh
-	sudo rsync -a --delete $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/* $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/ && sudo rm -rf $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/
+	sudo rsync -a --delete $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/repo/* $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/
+	sudo rm -rf $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot
 	$(ACTION.TOUCH)
diff --git a/mirror/ubuntu/files/mkrepo.sh b/mirror/ubuntu/files/mkrepo.sh
index ee51420d8..055e274c6 100644
--- a/mirror/ubuntu/files/mkrepo.sh
+++ b/mirror/ubuntu/files/mkrepo.sh
@@ -109,7 +109,7 @@ mkdir -p ${wrkdir}/apt.tmp/sources
 mkdir -p ${wrkdir}/apt.tmp/cache
 
 # Extract all specified repos (except backports repo)
-for list in /etc/apt/sources.list.d/*.list; do
+for list in /etc/apt/sources.list; do
   for repo in `cat $list| grep -v backports | sed 's| \+|\||g' | grep "^deb|"`; do
      repourl=`echo $repo | awk -F '|' '{print $2}'`
      repodist=`echo $repo | awk -F '|' '{print $3}'`
diff --git a/mirror/ubuntu/multistrap.conf b/mirror/ubuntu/multistrap.conf
deleted file mode 100644
index 83310495b..000000000
--- a/mirror/ubuntu/multistrap.conf
+++ /dev/null
@@ -1,62 +0,0 @@
-[General]
-# arch and directory can be specified on the command line.
-#arch=armel
-#directory=/opt/multistrap/
-# same as --tidy-up option if set to true
-cleanup=false
-# retain the sources outside the rootfs for distribution
-# specify a directory to which all the .debs can be moved.
-# or override with the --source-dir option.
-# same as --no-auth option if set to true
-# keyring packages listed in each debootstrap will
-# still be installed.
-noauth=true
-# retries not needed.
-#retries=5
-# extract all downloaded archives
-unpack=true
-bootstrap=Ubuntu Updates Security Mirantis Fuel
-# the order of sections is no longer important.
-# debootstrap determines which repository is used to
-# calculate the list of Priority: required packages
-# the order of sections is no longer important.
-# aptsources is a list of sections to be listed
-# in the /etc/apt/sources.list.d/multistrap.sources.list
-# of the target.
-aptsources=Ubuntu Updates Security Mirantis Fuel
-
-[Mirantis]
-packages=apt wget bzip2 apt-utils
-source=@@MIRROR_UBUNTU@@
-suite=@@UBUNTU_RELEASE@@
-omitdebsrc=true
-
-#ifdef USE_MIRROR_NONE
-
-[Security]
-source=@@MIRROR_UBUNTU@@
-suite=@@UBUNTU_RELEASE@@-security
-omitdebsrc=true
-
-[Ubuntu]
-source=@@MIRROR_UBUNTU@@
-suite=@@UBUNTU_RELEASE@@
-omitdebsrc=true
-
-[Updates]
-source=@@MIRROR_UBUNTU@@
-suite=@@UBUNTU_RELEASE@@-updates
-omitdebsrc=true
-
-[Fuel]
-source=@@MIRROR_FUEL_UBUNTU@@
-suite=@@UBUNTU_RELEASE@@
-omitdebsrc=true
-
-[MirantisSecurity]
-source=@@MIRROR_UBUNTU_SECURITY@@
-suite=@@UBUNTU_RELEASE@@-security
-omitdebsrc=true
-
-#endif
-
diff --git a/prepare-build-env.sh b/prepare-build-env.sh
index 023a66711..1b8c84e93 100755
--- a/prepare-build-env.sh
+++ b/prepare-build-env.sh
@@ -18,7 +18,6 @@
 #    building a Fuel ISO.
 
 # - We need not try to install rubygems on trusty, because it doesn't exists
-# - We also should use multistrap version 2.1.6 from devops mirror
 
 # install yum and yum-utils from trusty, so it can handle the meta-data
 # of OSCI rpm repositories. Works around ISO build failure (LP #1381535).
@@ -42,16 +41,8 @@ case "${DISTRO}" in
 
   trusty)
     GEMPKG="ruby ruby-dev"
-    # we need multistrap version 2.1.6, let's install it from devops mirror
     sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys D5A05778
     echo "deb http://mirror.fuel-infra.org/devops/ubuntu/ ./" | sudo tee /etc/apt/sources.list.d/fuel-devops.list
-    # be sure, that we will not update multistrap in future
-    sudo tee /etc/apt/preferences.d/fuel-pin-300 <<EOF
-Package: *multistrap*
-Pin: version 2.1.6*
-Pin-Priority: 1000
-
-EOF
     sudo apt-get update && sudo apt-get -y install nodejs nodejs-legacy npm
     ;;
 
@@ -119,7 +110,7 @@ sudo apt-get update
 sudo apt-get -y install build-essential make git $GEMPKG debootstrap createrepo \
   python-setuptools yum yum-utils libmysqlclient-dev isomd5sum bc \
   python-nose libvirt-bin python-ipaddr python-paramiko python-yaml \
-  python-pip kpartx extlinux unzip genisoimage multistrap \
+  python-pip kpartx extlinux unzip genisoimage \
   lrzip python-daemon python-dev
 sudo gem install bundler -v 1.2.1
 sudo gem install builder