diff --git a/cd.sh b/cd.sh
index 9faa82b..831689b 100644
--- a/cd.sh
+++ b/cd.sh
@@ -27,7 +27,6 @@ case "${CD_OS_NAME}" in
         exit 1
     ;;
 esac
-#
 [ "${CI_SERVER_URL}" ] && CD_REPOSITORIES_URL="${CI_SERVER_URL}"
 [ "${GITHUB_SERVER_URL}" ] && CD_REPOSITORIES_URL="${GITHUB_SERVER_URL}"
 if [ "${CD_REPOSITORIES_URL}" ] ; then
@@ -36,23 +35,6 @@ else
     echo 'CD_REPOSITORIES_URL'
     exit 3
 fi
-#
-[ "${CI_PROJECT_NAME}" ] && CD_PROJECT_NAME="${CI_PROJECT_NAME}"
-[ "${GITHUB_REPOSITORY}" ] \
-&& CD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
-if [ "${CD_PROJECT_NAME}" ] ; then
-    CD_PROJECT_URL="${CD_REPOSITORIES_URL}/${CD_PROJECT_NAME}"
-else
-    echo 'CD_PROJECT_NAME'
-    exit 3
-fi
-#
-[ "${CI_COMMIT_BRANCH}" ] && CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
-[ "${GITHUB_REF_NAME}" ] && CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
-if [ ! "${CD_PROJECT_BRANCH}" ] ; then
-    echo 'CD_PROJECT_BRANCH'
-    exit 3
-fi
 
 function cd_step {
     if [ "${1}" ] ; then
diff --git a/cd/__init__.py b/cd/__init__.py
index 0849737..17399ce 100644
--- a/cd/__init__.py
+++ b/cd/__init__.py
@@ -1,20 +1,8 @@
 import os
 
-from rwx import ps
-
 COMMANDS_PREFIX = 'cd-'
 
 
-def cd_clone_branch():
-    ps.run('git',
-        'clone',
-        '--branch', os.environ['CD_PROJECT_BRANCH'],
-        '--',
-        os.environ['CD_PROJECT_URL'],
-        '.',
-    )
-
-
 def cd_list_environment():
     for variable, value in sorted(os.environ.items()):
         print(variable, '=', value)
@@ -22,8 +10,5 @@ def cd_list_environment():
 
 def install_commands(path):
     user = '/usr/local/bin'
-    for command in [
-        'clone-branch',
-        'list-environment',
-    ]:
+    for command in ['list-environment']:
         os.symlink(path, os.path.join(user, f'{COMMANDS_PREFIX}{command}'))
diff --git a/cmd/cd-list-environment.sh b/cmd/cd-list-environment.sh
new file mode 100755
index 0000000..dd3fd37
--- /dev/null
+++ b/cmd/cd-list-environment.sh
@@ -0,0 +1 @@
+env | sort