diff --git a/.github/workflows/py3_casacore_v3.4.docker b/.github/workflows/py3_casacore_v3.4.docker
deleted file mode 100644
index 2944141..0000000
--- a/.github/workflows/py3_casacore_v3.4.docker
+++ /dev/null
@@ -1,18 +0,0 @@
-FROM quay.io/casacore/casacore:v3.4
-USER root
-RUN docker-apt-install \
-    libboost-python-dev \
-    libcfitsio-dev \
-    wcslib-dev \
-    python3-all \
-    python3-dev \
-    python3-numpy \
-    python3-setuptools \
-    python3-six \
-    python3-pip \
-    python3-nose
-ADD . /src
-WORKDIR /src
-RUN pip3 install .
-RUN pip3 install -r tests/requirements.txt
-RUN nosetests3 --with-coverage --verbose --cover-package=casacore