diff --git a/ci/sftp.Dockerfile b/ci/sftp.Dockerfile
deleted file mode 100644
index 3a3d60597415201e85164873350a26791524da16..0000000000000000000000000000000000000000
--- a/ci/sftp.Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-FROM ubuntu:16.04
-
-RUN apt-get update \
-  && apt-get install -y openssh-client \
-  && rm -rf /var/lib/apt/lists/*
-