diff --git a/bootstrap/module.mk b/bootstrap/module.mk
index 34c0ef453..d7ca65e7a 100644
--- a/bootstrap/module.mk
+++ b/bootstrap/module.mk
@@ -137,7 +137,7 @@ $(BUILD_DIR)/bootstrap/customize-initram-root.done: \
 	sudo chroot $(INITRAMROOT) chkconfig setup-bootdev on
 
 	# Setting root password into r00tme
-	sudo sed -i '' -e '/^root/c\root:$$6$$oC7haQNQ$$LtVf6AI.QKn9Jb89r83PtQN9fBqpHT9bAFLzy.YVxTLiFgsoqlPY3awKvbuSgtxYHx4RUcpUqMotp.WZ0Hwoj.:15441:0:99999:7:::' $(INITRAMROOT)/etc/shadow
+	sudo sed -i -e '/^root/c\root:$$6$$oC7haQNQ$$LtVf6AI.QKn9Jb89r83PtQN9fBqpHT9bAFLzy.YVxTLiFgsoqlPY3awKvbuSgtxYHx4RUcpUqMotp.WZ0Hwoj.:15441:0:99999:7:::' $(INITRAMROOT)/etc/shadow
 
 	# Copying rsa key.
 	sudo mkdir -p $(INITRAMROOT)/root/.ssh
diff --git a/iso/module.mk b/iso/module.mk
index fb37a3e77..aa8320470 100644
--- a/iso/module.mk
+++ b/iso/module.mk
@@ -272,14 +272,14 @@ $(IMG_PATH): $(ISO_PATH)
 	sudo mv $(BUILD_DIR)/iso/imgroot/isolinux $(BUILD_DIR)/iso/imgroot/syslinux
 	sudo rm $(BUILD_DIR)/iso/imgroot/syslinux/isolinux.cfg
 	sudo cp $(SOURCE_DIR)/iso/syslinux/syslinux.cfg $(BUILD_DIR)/iso/imgroot/syslinux  # NOTE(mihgen): Is it used for IMG file? Comments needed!
-	sudo sed -i ''  -e "s/will_be_substituted_with_actual_uuid/`cat $(BUILD_DIR)/iso/img_loop_uuid`/g" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
+	sudo sed -i -e "s/will_be_substituted_with_actual_uuid/`cat $(BUILD_DIR)/iso/img_loop_uuid`/g" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo sed -r -i -e "s/ip=[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}/ip=$(MASTER_IP)/" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo sed -r -i -e "s/dns1=[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}/dns1=$(MASTER_DNS)/" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo sed -r -i -e "s/netmask=[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}/netmask=$(MASTER_NETMASK)/" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo sed -r -i -e "s/gw=[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}/gw=$(MASTER_GW)/" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo sed -r -i -e "s/will_be_substituted_with_PRODUCT_VERSION/$(PRODUCT_VERSION)/" $(BUILD_DIR)/iso/imgroot/syslinux/syslinux.cfg
 	sudo cp $(BUILD_DIR)/iso/isoroot/ks.cfg $(BUILD_DIR)/iso/imgroot/ks.cfg
-	sudo sed -i '' -e "s/will_be_substituted_with_actual_uuid/`cat $(BUILD_DIR)/iso/img_loop_uuid`/g" $(BUILD_DIR)/iso/imgroot/ks.cfg
+	sudo sed -i -e "s/will_be_substituted_with_actual_uuid/`cat $(BUILD_DIR)/iso/img_loop_uuid`/g" $(BUILD_DIR)/iso/imgroot/ks.cfg
 	sudo cp $(ISO_PATH) $(BUILD_DIR)/iso/imgroot/nailgun.iso
 	sudo sync
 	sudo umount `cat $(BUILD_DIR)/iso/img_loop_partition`
diff --git a/mirror/ubuntu/createchroot.mk b/mirror/ubuntu/createchroot.mk
index bd55bbc32..6abd497ee 100644
--- a/mirror/ubuntu/createchroot.mk
+++ b/mirror/ubuntu/createchroot.mk
@@ -16,8 +16,8 @@ $(BUILD_DIR)/mirror/ubuntu/createchroot.done:
 	echo "suite=@@UBUNTU_RELEASE@@-updates" >> $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf; \
 	echo "omitdebsrc=true" >> $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf; \
 	fi
-	sed -i '' -e "s/@@UBUNTU_RELEASE@@/$(UBUNTU_RELEASE)/g" $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf
-	sed -i '' -e "s]@@MIRROR_UBUNTU@@]$(MIRROR_UBUNTU)]g" $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf
+	sed -i -e "s/@@UBUNTU_RELEASE@@/$(UBUNTU_RELEASE)/g" $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf
+	sed -i -e "s]@@MIRROR_UBUNTU@@]$(MIRROR_UBUNTU)]g" $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/multistrap.conf
 	mount | grep -q $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc || sudo mount -t proc none $(LOCAL_MIRROR_UBUNTU_OS_BASEURL)/chroot/proc
 	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"
diff --git a/packages/openstack/rpm/module.mk b/packages/openstack/rpm/module.mk
index 40d813e5d..e98054d7d 100644
--- a/packages/openstack/rpm/module.mk
+++ b/packages/openstack/rpm/module.mk
@@ -62,7 +62,7 @@ $(BUILD_DIR)/openstack/rpm/$1.done: \
 	sudo cp $(BUILD_DIR)/openstack/rpm/sources/$1/*.tar.gz $$(SANDBOX)/tmp/SOURCES/
 	sudo cp -r $(BUILD_DIR)/repos/$1-build/rpm/SOURCES/* $$(SANDBOX)/tmp/SOURCES
 	sed "s/Version:.*/Version:\t`cat $(BUILD_DIR)/openstack/rpm/$1-version-tag`/" $(BUILD_DIR)/repos/$1-build/rpm/SPECS/*.spec > $(BUILD_DIR)/openstack/rpm/sources/specs/openstack-$1.spec
-	sed -i '' "s/Source0:.*/Source0:\t$1-`cat $(BUILD_DIR)/openstack/rpm/$1-version-tag`\.tar\.gz/" $(BUILD_DIR)/openstack/rpm/sources/specs/openstack-$1.spec
+	sed -i "s/Source0:.*/Source0:\t$1-`cat $(BUILD_DIR)/openstack/rpm/$1-version-tag`\.tar\.gz/" $(BUILD_DIR)/openstack/rpm/sources/specs/openstack-$1.spec
 	sudo cp $(BUILD_DIR)/openstack/rpm/sources/specs/openstack-$1.spec $$(SANDBOX)/tmp/
 	sudo chroot $$(SANDBOX) rpmbuild --nodeps -vv --define "_topdir /tmp" -bs /tmp/openstack-$1.spec
 	sudo sh -c "$$$${INSTALL_CENTOS_REPO}"
diff --git a/repos.mk b/repos.mk
index c85591ef0..db85db3de 100644
--- a/repos.mk
+++ b/repos.mk
@@ -3,7 +3,7 @@
 repos: $(BUILD_DIR)/repos/repos.done
 
 $(BUILD_DIR)/repos/repos.done:
-	sed -i '' '/^  fuelmain_sha:/d' $(BUILD_DIR)/repos/version.yaml
+	sed -i '/^  fuelmain_sha:/d' $(BUILD_DIR)/repos/version.yaml
 	/bin/echo "  fuelmain_sha: \"`git rev-parse --verify HEAD`\"" >> $(BUILD_DIR)/repos/version.yaml
 	$(ACTION.TOUCH)
 
@@ -25,7 +25,7 @@ $(BUILD_DIR)/repos/$1.done:
 	)
 	# Update versions.yaml
 	touch $(BUILD_DIR)/repos/version.yaml
-	sed -i '' '/^  $1_sha:/d' $(BUILD_DIR)/repos/version.yaml
+	sed -i '/^  $1_sha:/d' $(BUILD_DIR)/repos/version.yaml
 	/bin/echo "  $1_sha: \"`cd $(BUILD_DIR)/repos/$1 && git rev-parse --verify HEAD`\"" >> $(BUILD_DIR)/repos/version.yaml
 	touch $(BUILD_DIR)/repos/$1.done
 endef