diff --git a/apps/emqx_auth_ldap/.ci/docker-compose.yml b/apps/emqx_auth_ldap/.ci/docker-compose.yml
deleted file mode 100644
index bba9b711f..000000000
--- a/apps/emqx_auth_ldap/.ci/docker-compose.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-version: '3'
-
-services:
-  erlang:
-    image: erlang:22.1
-    volumes:
-      - ../:/emqx_auth_ldap
-    networks:
-      - emqx_bridge
-    depends_on:
-      - ldap_server
-    tty: true
-
-  ldap_server:
-    build: ./emqx-ldap
-    image: emqx-ldap:1.0
-    restart: always
-    ports:
-      - 389:389
-      - 636:636
-    networks:
-      - emqx_bridge
-
-networks:
-  emqx_bridge:
-    driver: bridge
diff --git a/apps/emqx_auth_ldap/.ci/emqx-ldap/Dockerfile b/apps/emqx_auth_ldap/.ci/emqx-ldap/Dockerfile
deleted file mode 100644
index 0a01572c4..000000000
--- a/apps/emqx_auth_ldap/.ci/emqx-ldap/Dockerfile
+++ /dev/null
@@ -1,26 +0,0 @@
-FROM buildpack-deps:stretch
-
-ENV VERSION=2.4.50
-
-RUN apt-get update && apt-get install -y groff groff-base
-RUN wget ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-${VERSION}.tgz \
-    && gunzip -c openldap-${VERSION}.tgz | tar xvfB - \
-    && cd openldap-${VERSION} \
-    && ./configure && make depend && make && make install \
-    && cd .. && rm -rf  openldap-${VERSION}
-
-COPY ./slapd.conf /usr/local/etc/openldap/slapd.conf
-COPY ./emqx.io.ldif /usr/local/etc/openldap/schema/emqx.io.ldif
-COPY ./emqx.schema /usr/local/etc/openldap/schema/emqx.schema
-COPY ./*.pem /usr/local/etc/openldap/
-
-RUN mkdir -p /usr/local/etc/openldap/data \
-    && slapadd -l /usr/local/etc/openldap/schema/emqx.io.ldif -f /usr/local/etc/openldap/slapd.conf
-
-WORKDIR /usr/local/etc/openldap
-
-EXPOSE 389 636
-
-ENTRYPOINT ["/usr/local/libexec/slapd", "-h", "ldap:/// ldaps:///", "-d", "3", "-f", "/usr/local/etc/openldap/slapd.conf"]
-
-CMD []
diff --git a/apps/emqx_auth_ldap/.ci/emqx-ldap/slapd.conf b/apps/emqx_auth_ldap/.ci/emqx-ldap/slapd.conf
deleted file mode 100644
index d6ba20caa..000000000
--- a/apps/emqx_auth_ldap/.ci/emqx-ldap/slapd.conf
+++ /dev/null
@@ -1,16 +0,0 @@
-include         /usr/local/etc/openldap/schema/core.schema
-include         /usr/local/etc/openldap/schema/cosine.schema
-include         /usr/local/etc/openldap/schema/inetorgperson.schema
-include         /usr/local/etc/openldap/schema/ppolicy.schema
-include         /usr/local/etc/openldap/schema/emqx.schema
-
-TLSCACertificateFile  /usr/local/etc/openldap/cacert.pem
-TLSCertificateFile    /usr/local/etc/openldap/cert.pem
-TLSCertificateKeyFile /usr/local/etc/openldap/key.pem
-
-database bdb
-suffix "dc=emqx,dc=io"
-rootdn "cn=root,dc=emqx,dc=io"
-rootpw {SSHA}eoF7NhNrejVYYyGHqnt+MdKNBh4r1w3W
-
-directory       /usr/local/etc/openldap/data