diff --git a/tests/Dockerfile b/tests/Dockerfile
index 992acb51..5cef2414 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -6,8 +6,6 @@ RUN apt-get -qq update && apt-get -qq -y --no-install-recommends install \
     curl \
     docker.io \
     libsasl2-dev \
-    netcat \
-    openjdk-11-jdk \
     sudo \
     zip &&\
     rm -rf /var/lib/apt/lists/*