diff --git a/builder/dockerfile.ubuntu_bionic.vncserver.test b/builder/dockerfile.ubuntu_bionic.vncserver.test
deleted file mode 100644
index 93b3255..0000000
--- a/builder/dockerfile.ubuntu_bionic.vncserver.test
+++ /dev/null
@@ -1,48 +0,0 @@
-FROM ubuntu:bionic
-
-ENV DEBIAN_FRONTEND=noninteractive
-ENV VNC_PORT 8443
-ENV VNC_PORT2 8444
-ENV VNC_PORT3 8445
-EXPOSE $VNC_PORT
-EXPOSE $VNC_PORT2
-EXPOSE $VNC_PORT3
-
-RUN apt-get update && apt-get install -y supervisor xfce4 xfce4-terminal xterm libnss-wrapper gettext wget
-RUN apt-get purge -y pm-utils xscreensaver*
-RUN apt-get update && apt-get install -y vim less
-RUN apt-get update && apt-get -y install lsb-release
-RUN apt-get update && apt-get -y install net-tools
-
-# RUN mkdir -p /usr/share/man/man1
-# RUN apt-get update && apt-get install -y apt-utils openjdk-11-jre
-RUN apt-get update && apt-get install -y ubuntu-mate-desktop
-RUN apt-get update && apt-get install -y lxde
-RUN apt-get update && apt-get install -y lxqt
-RUN apt-get update && apt-get install -y kde-full
-RUN apt-get update && apt-get install -y cinnamon
-RUN apt-get update && apt-get install -y ubuntu-gnome-desktop
-
-RUN apt-get update && apt-get install -y python3-pip
-
-RUN useradd -m docker
-ENV USER docker
-
-ARG KASMVNC_PACKAGE_DIR
-COPY $KASMVNC_PACKAGE_DIR/kasmvncserver_*.deb /tmp
-RUN dpkg -i /tmp/*.deb; apt-get -yf install
-
-ENV HOME /home/docker
-RUN chown -R 1000:0 $HOME
-USER 1000:ssl-cert
-WORKDIR $HOME
-
-RUN pip3 install --user pipenv
-RUN echo 'PATH="/src/unix:~/.local/bin/:$PATH"' >> ~/.bashrc
-RUN echo 'alias go="sh /src/s; vncserver -kill :1"' >> ~/.bashrc
-RUN echo 'alias ns="netstat -nltp"' >> ~/.bashrc
-
-ENV LC_ALL=C.UTF-8
-ENV LANG=C.UTF-8
-
-ENTRYPOINT "cd /src && pipenv install; /bin/bash"