diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6b77f69263a16dc76966474a86ccd10171c9a4f6..425ea4d54244da00ddac16c474b6f8dc3a81c1f6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ ubuntu_deb:
     - master
     - /^release\-.+/
   script:
-    - ./scripts/package ci_ubuntu_deb
+    - ./scripts/package ubuntu_deb
     - cat transfer.log
 
 fedora_rpm:
@@ -18,7 +18,7 @@ fedora_rpm:
     - master
     - /^release\-.+/
   script:
-    - ./scripts/package ci_fedora_rpm
+    - ./scripts/package fedora_rpm
     - cat transfer.log
 
 opensuse_rpm:
@@ -28,7 +28,7 @@ opensuse_rpm:
     - master
     - /^release\-.+/
   script:
-    - ./scripts/package ci_opensuse_rpm
+    - ./scripts/package opensuse_rpm
     - cat transfer.log
 
 archlinux_pkg:
@@ -38,5 +38,5 @@ archlinux_pkg:
     - master
     - /^release\-.+/
   script:
-    - ./scripts/package ci_archlinux_pkg
+    - ./scripts/package archlinux_pkg
     - cat transfer.log
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 5164098006e4e35870dfc3b93925ee51e178246c..0000000000000000000000000000000000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-dist: trusty
-sudo: required
-services:
-  - docker
-
-branches:
-  only:
-    - master
-    - /^release\-.+/
-
-script:
-  - mntdir='/mnt/ocs-url'
-  - docker run --rm -v $(pwd):${mntdir} ubuntu:14.04 /bin/bash -c "${mntdir}/scripts/package ci_ubuntu_deb"
-  - docker run --rm -v $(pwd):${mntdir} fedora:20 /bin/bash -c "${mntdir}/scripts/package ci_fedora_rpm"
-  - docker run --rm -v $(pwd):${mntdir} opensuse:42.1 /bin/bash -c "${mntdir}/scripts/package ci_opensuse_rpm"
-  - docker run --rm -v $(pwd):${mntdir} base/archlinux:latest /bin/bash -c "${mntdir}/scripts/package ci_archlinux_pkg"
-  - cat transfer.log
diff --git a/scripts/package b/scripts/package
index c13be0703e79fc254f58c54c5d057b3bee7a73d2..8731205c55a28729ac0df585512ef69f56d064e1 100755
--- a/scripts/package
+++ b/scripts/package
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 PKGNAME='ocs-url'
 
@@ -10,7 +10,7 @@ PROJDIR="$(cd "$(dirname "${0}")/../" && pwd)"
 
 BUILDDIR="${PROJDIR}/build_${PKGNAME}"
 
-ci_ubuntu_deb() { # docker-image: ubuntu:14.04
+ubuntu_deb() { # docker-image: ubuntu:14.04
     apt update -qq
     apt -y install curl git
     apt -y install build-essential qt5-default libqt5svg5-dev qtdeclarative5-dev
@@ -34,7 +34,7 @@ build_ubuntu_deb() {
     debuild -uc -us -b
 }
 
-ci_fedora_rpm() { # docker-image: fedora:20
+fedora_rpm() { # docker-image: fedora:20
     yum -y install curl git
     yum -y install make automake gcc gcc-c++ libtool qt5-qtbase-devel qt5-qtsvg-devel qt5-qtdeclarative-devel
     yum -y install rpm-build
@@ -57,7 +57,7 @@ build_fedora_rpm() {
     rpmbuild --define "_topdir ${BUILDDIR}" -bb "${BUILDDIR}/SPECS/${PKGNAME}.spec"
 }
 
-ci_opensuse_rpm() { # docker-image: opensuse:42.1
+opensuse_rpm() { # docker-image: opensuse:42.1
     zypper --non-interactive refresh
     zypper --non-interactive install curl git
     zypper --non-interactive install make automake gcc gcc-c++ libtool libqt5-qtbase-devel libqt5-qtsvg-devel libqt5-qtdeclarative-devel
@@ -81,7 +81,7 @@ build_opensuse_rpm() {
     rpmbuild --define "_topdir ${BUILDDIR}" -bb "${BUILDDIR}/SPECS/${PKGNAME}.spec"
 }
 
-ci_archlinux_pkg() { # docker-image: base/archlinux:latest
+archlinux_pkg() { # docker-image: base/archlinux:latest
     pacman -Syu --noconfirm
     pacman -S --noconfirm curl git
     pacman -S --noconfirm base-devel qt5-base qt5-svg qt5-declarative qt5-quickcontrols
@@ -106,13 +106,13 @@ build_archlinux_pkg() {
 }
 
 export_srcarchive() {
-    if [[ "${1}" ]]; then
+    if [ "${1}" ]; then
         $(cd "${PROJDIR}" && git archive --prefix="${PKGNAME}/" --output="${1}" HEAD)
     fi
 }
 
 transfer_file() {
-    if [[ -f "${1}" ]]; then
+    if [ -f "${1}" ]; then
         filename="$(basename "${1}")"
         transferlog="${PROJDIR}/transfer.log"
         echo "Uploading ${filename}" >> "${transferlog}"
@@ -121,6 +121,6 @@ transfer_file() {
     fi
 }
 
-if [[ "${1}" = 'ci_'* || "${1}" = 'build_'* ]]; then
+if [ "${1}" ]; then
     ${1}
 fi
diff --git a/scripts/prepare b/scripts/prepare
index 0186affcbb4d3203d76d6bd5eb06553173bec124..7615c98e6edf7f6ffb9bdf5dda2681bb282a8254 100755
--- a/scripts/prepare
+++ b/scripts/prepare
@@ -1,7 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 
 PROJDIR="$(cd "$(dirname "${0}")/../" && pwd)"
 
-if [[ ! -d "${PROJDIR}/lib/qtil" ]]; then
+if [ ! -d "${PROJDIR}/lib/qtil" ]; then
     git clone https://github.com/akiraohgaki/qtil.git -b release-0.4.0 --single-branch --depth=1 "${PROJDIR}/lib/qtil"
 fi