diff --git a/telegraf/1.4/Dockerfile b/telegraf/1.4/Dockerfile
deleted file mode 100644
index 2c1ee30..0000000
--- a/telegraf/1.4/Dockerfile
+++ /dev/null
@@ -1,35 +0,0 @@
-FROM buildpack-deps:stretch-curl
-
-RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends snmp procps && \
-    rm -rf /var/lib/apt/lists/*
-
-RUN set -ex && \
-    for key in \
-        05CE15085FC09D18E99EFB22684A14CF2582E0C5 ; \
-    do \
-        gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
-        gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
-        gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
-    done
-
-ENV TELEGRAF_VERSION 1.4.5
-RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" && \
-    case "${dpkgArch##*-}" in \
-      amd64) ARCH='amd64';; \
-      arm64) ARCH='arm64';; \
-      armhf) ARCH='armhf';; \
-      armel) ARCH='armel';; \
-      *)     echo "Unsupported architecture: ${dpkgArch}"; exit 1;; \
-    esac && \
-    wget --no-verbose https://dl.influxdata.com/telegraf/releases/telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb.asc && \
-    wget --no-verbose https://dl.influxdata.com/telegraf/releases/telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb && \
-    gpg --batch --verify telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb.asc telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb && \
-    dpkg -i telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb && \
-    rm -f telegraf_${TELEGRAF_VERSION}-1_${ARCH}.deb*
-
-EXPOSE 8125/udp 8092/udp 8094
-
-COPY entrypoint.sh /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]
-CMD ["telegraf"]
diff --git a/telegraf/1.4/alpine/Dockerfile b/telegraf/1.4/alpine/Dockerfile
deleted file mode 100644
index 653c87f..0000000
--- a/telegraf/1.4/alpine/Dockerfile
+++ /dev/null
@@ -1,33 +0,0 @@
-FROM alpine:3.6
-
-RUN echo 'hosts: files dns' >> /etc/nsswitch.conf
-RUN apk add --no-cache iputils ca-certificates net-snmp-tools procps && \
-    update-ca-certificates
-
-ENV TELEGRAF_VERSION 1.4.5
-
-RUN set -ex && \
-    apk add --no-cache --virtual .build-deps wget gnupg tar && \
-    for key in \
-        05CE15085FC09D18E99EFB22684A14CF2582E0C5 ; \
-    do \
-        gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
-        gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
-        gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
-    done && \
-    wget --no-verbose https://dl.influxdata.com/telegraf/releases/telegraf-${TELEGRAF_VERSION}-static_linux_amd64.tar.gz.asc && \
-    wget --no-verbose https://dl.influxdata.com/telegraf/releases/telegraf-${TELEGRAF_VERSION}-static_linux_amd64.tar.gz && \
-    gpg --batch --verify telegraf-${TELEGRAF_VERSION}-static_linux_amd64.tar.gz.asc telegraf-${TELEGRAF_VERSION}-static_linux_amd64.tar.gz && \
-    mkdir -p /usr/src /etc/telegraf && \
-    tar -C /usr/src -xzf telegraf-${TELEGRAF_VERSION}-static_linux_amd64.tar.gz && \
-    mv /usr/src/telegraf*/telegraf.conf /etc/telegraf/ && \
-    chmod +x /usr/src/telegraf*/* && \
-    cp -a /usr/src/telegraf*/* /usr/bin/ && \
-    rm -rf *.tar.gz* /usr/src /root/.gnupg && \
-    apk del .build-deps
-
-EXPOSE 8125/udp 8092/udp 8094
-
-COPY entrypoint.sh /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]
-CMD ["telegraf"]
diff --git a/telegraf/1.4/alpine/entrypoint.sh b/telegraf/1.4/alpine/entrypoint.sh
deleted file mode 100755
index f8a6609..0000000
--- a/telegraf/1.4/alpine/entrypoint.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ "${1:0:1}" = '-' ]; then
-    set -- telegraf "$@"
-fi
-
-exec "$@"
diff --git a/telegraf/1.4/entrypoint.sh b/telegraf/1.4/entrypoint.sh
deleted file mode 100755
index 6e7580b..0000000
--- a/telegraf/1.4/entrypoint.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -e
-
-if [ "${1:0:1}" = '-' ]; then
-    set -- telegraf "$@"
-fi
-
-exec "$@"
diff --git a/telegraf/manifest.json b/telegraf/manifest.json
index 57e17bf..b348f38 100644
--- a/telegraf/manifest.json
+++ b/telegraf/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "telegraf",
-  "versions": ["1.4", "1.5", "1.6", "1.7"],
+  "versions": ["1.5", "1.6", "1.7"],
   "architectures": [
     "amd64",
     "arm32v7",