diff --git a/.github/actions/install-apt-packages/action.yml b/.github/actions/install-apt-packages/action.yml
deleted file mode 100644
index 9c5c3fe5a..000000000
--- a/.github/actions/install-apt-packages/action.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: 'install-apt-packages'
-description: 'Install necessary apt packages'
-runs:
-  using: "composite"
-  steps:
-    - id: install-apt-packages
-      run: |
-        sudo apt update && sudo apt -y install \
-          clang-tidy \
-          curl \
-          doxygen \
-          graphviz \
-          grep \
-          imagemagick \
-          libasio-dev \
-          libtinyxml2-dev \
-          libyaml-cpp-dev \
-          lcov \
-          python3 \
-          python3-pip \
-          python3-sphinxcontrib.spelling \
-          python3-venv \
-          software-properties-common \
-          wget
-      shell: bash
diff --git a/.github/actions/install-python-packages/action.yml b/.github/actions/install-python-packages/action.yml
deleted file mode 100644
index 7d4809b28..000000000
--- a/.github/actions/install-python-packages/action.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: 'install-python-packages'
-description: 'Install necessary python packages'
-runs:
-  using: "composite"
-  steps:
-    - id: install-python-packages
-      run: |
-        sudo pip3 install -U \
-          sphinx==4.3.1 \
-          doc8==0.10.1 \
-          sphinx_rtd_theme==0.5.2 \
-          sphinxcontrib.spelling==7.2.1 \
-          sphinxcontrib-imagehelper==1.1.1 \
-          sphinx-tabs==3.2.0 \
-          colcon-common-extensions \
-          colcon-mixin \
-          vcstool \
-          GitPython==3.1.24 \
-          setuptools==58.2.0 \
-          gcovr==5.0 \
-          pyyaml \
-          jsonschema
-      shell: bash
diff --git a/.github/docker/ddsrouter/Dockerfile b/.github/docker/ddsrouter/Dockerfile
index 5464d7a20..d7832572d 100644
--- a/.github/docker/ddsrouter/Dockerfile
+++ b/.github/docker/ddsrouter/Dockerfile
@@ -31,6 +31,7 @@ RUN apt-get update && apt-get install --yes --no-install-recommends \
 
 # Install required python modules
 RUN pip3 install \
+        empy==3.3.4 \
         colcon-common-extensions \
         colcon-mixin \
         lxml \