diff --git a/runon.conf b/runon.conf
index 22fae3a..00b3ece 100644
--- a/runon.conf
+++ b/runon.conf
@@ -43,19 +43,6 @@ dockerfile =
 pkginstall = RUN dnf install {} -y
 packages = xterm vim-X11 git python3 bash-completion
 
-[debian8]
-dockerfile =
-	  FROM debian:8
-    ARG DEBIAN_FRONTEND=noninteractive
-    RUN apt-get update
-    RUN apt-get -y install apt-utils
-    RUN apt-get -y upgrade
-    RUN apt-get -y install sudo
-    RUN echo "Defaults lecture = never" >> /etc/sudoers
-    RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
-pkginstall = RUN apt-get -y install {}
-packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
-
 [debian9]
 dockerfile =
 	  FROM debian:9