diff --git a/.cirrus.yml b/.cirrus.yml
index d7b80888ce..b0d0127565 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -249,16 +249,6 @@ debian10_task:
     << : *RESOURCES_TEMPLATE
   << : *CI_TEMPLATE
 
-opensuse_leap_15_4_task:
-  container:
-    # Opensuse Leap 15.4 EOL: ~Dec 2023
-    dockerfile: ci/opensuse-leap-15.4/Dockerfile
-    << : *RESOURCES_TEMPLATE
-  << : *CI_TEMPLATE
-  << : *SKIP_TASK_ON_PR
-  env:
-    ZEEK_CI_CONFIGURE_FLAGS: *NO_SPICY_CONFIG
-
 opensuse_leap_15_5_task:
   container:
     # Opensuse Leap 15.5 EOL: ~Dec 2024
diff --git a/ci/opensuse-leap-15.4/Dockerfile b/ci/opensuse-leap-15.4/Dockerfile
deleted file mode 100644
index 8f95ebb085..0000000000
--- a/ci/opensuse-leap-15.4/Dockerfile
+++ /dev/null
@@ -1,39 +0,0 @@
-FROM opensuse/leap:15.4
-
-# A version field to invalidate Cirrus's build cache when needed, as suggested in
-# https://github.com/cirruslabs/cirrus-ci-docs/issues/544#issuecomment-566066822
-ENV DOCKERFILE_VERSION 20230801
-
-RUN zypper addrepo https://download.opensuse.org/repositories/openSUSE:Leap:15.4:Update/standard/openSUSE:Leap:15.4:Update.repo \
- && zypper refresh \
- && zypper in -y \
-    bison \
-    ccache \
-    cmake \
-    curl \
-    flex \
-    gcc10 \
-    gcc10-c++ \
-    git \
-    gzip \
-    libopenssl-devel \
-    libpcap-devel \
-    make \
-    openssh \
-    python39 \
-    python39-devel \
-    python39-pip \
-    swig \
-    tar \
-    which \
-    zlib-devel \
-  && rm -rf /var/cache/zypp
-
-RUN update-alternatives --install /usr/bin/pip3 pip3 /usr/bin/pip3.9 100
-RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 100
-RUN update-alternatives --install /usr/bin/python3-config python3-config /usr/bin/python3.9-config 100
-
-RUN pip3 install websockets junit2html
-
-RUN update-alternatives --install /usr/bin/cc cc /usr/bin/gcc-10 100
-RUN update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-10 100