diff --git a/ci/Dockerfile.el6 b/ci/Dockerfile.el6
deleted file mode 100644
index 686b363fe..000000000
--- a/ci/Dockerfile.el6
+++ /dev/null
@@ -1,36 +0,0 @@
-ARG DOCKER_ARCH
-FROM --platform=linux/${DOCKER_ARCH} alpine:edge AS builder
-
-RUN apk update
-RUN apk add curl
-RUN apk add bash
-RUN apk add file
-RUN apk add rust
-RUN apk add cargo
-RUN apk add make
-RUN apk add cmake
-RUN apk add clang
-RUN apk add openssl-dev
-RUN apk add linux-headers
-RUN apk add build-base
-RUN apk add openssl-libs-static
-
-COPY . .
-RUN ZT_STATIC=1 make
-RUN ls -la
-
-ARG DOCKER_ARCH
-FROM --platform=linux/${DOCKER_ARCH} centos:6 AS stage
-WORKDIR /root/rpmbuild/BUILD
-COPY . .
-COPY --from=builder zerotier-* ./
-RUN curl https://gist.githubusercontent.com/someara/b363002ba6e57b3c474dd027d4daef85/raw/4ac5534139752fc92fbe1a53599a390214f69615/el6%2520vault --output /etc/yum.repos.d/CentOS-Base.repo
-RUN uname -a
-RUN yum -y install make gcc rpm-build
-RUN pwd
-RUN ls -la
-RUN make redhat
-
-FROM scratch AS export
-ARG PLATFORM
-COPY --from=stage /root/rpmbuild/RPMS/*/*.rpm ./${PLATFORM}/