diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4d47cb..666ffba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,7 @@ jobs:
           apt update
           apt-get -y install sudo wget curl gnupg lsb-release gcovr unzip gcc-multilib libasan*
           sudo apt-get -y install software-properties-common
+          sudo apt-get -y install libcurl4-openssl-dev
           curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
           sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
           sudo curl -L "https://github.com/docker/compose/releases/download/1.24.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
@@ -57,21 +58,13 @@ jobs:
 
       - name: Install pugixml
         run: |
-          git clone https://github.com/vlm/asn1c.git
           git clone https://github.com/zeux/pugixml.git
           cd ./pugixml && mkdir -p build && cd build && cmake .. && make && make install
         working-directory: ${{ env.working-directory }}
 
-      - name: Build and install asn1c submodule
-        run: |
-          sudo apt-get -y install libtool autoconf
-          cd ./asn1c && aclocal && test -f configure || autoreconf -iv && ./configure && make && make install
-        working-directory: ${{ env.working-directory }}
-
-      - name: Generate ASN.1 API.
+      - name: Extract implementation and header files
         run: |
           export LD_LIBRARY_PATH=/usr/local/lib
-          git clone https://github.com/usdot-jpo-ode/scms-asn1.git
           cd ./asn1c_combined && bash doIt.sh
         working-directory: ${{ env.working-directory }}
 
diff --git a/Dockerfile b/Dockerfile
index b2cb713..121dc5f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,22 +14,10 @@ RUN apk add --upgrade --no-cache --virtual .build-deps \
     librdkafka-dev \
     asio-dev
 
-# Dependencies that are not needed if asn1c is not installed in the build container:
-# libtool
-# automake
-# autoconf
-# bison
-# flex
-
 # Install pugixml
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# The codec C files are pre-generated manually so it isn't necessary to build asn1c in the container
-# # Build and install asn1c submodule
-# ADD ./usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined
diff --git a/Dockerfile.amazonlinux b/Dockerfile.amazonlinux
index 7a2ee0b..8eda7df 100644
--- a/Dockerfile.amazonlinux
+++ b/Dockerfile.amazonlinux
@@ -19,10 +19,6 @@ RUN dnf --enablerepo=fedora install asio-devel -y
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# Don't need to build and install asn1c submodule
-# ADD ./asn1_codec/usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined
diff --git a/Dockerfile.debug b/Dockerfile.debug
index d1ea307..eed2ecd 100644
--- a/Dockerfile.debug
+++ b/Dockerfile.debug
@@ -14,22 +14,10 @@ RUN apk add --upgrade --no-cache --virtual .build-deps \
     librdkafka-dev \
     asio-dev
 
-# Dependencies that are not needed if asn1c is not installed in the build container:
-# libtool
-# automake
-# autoconf
-# bison
-# flex
-
 # Install pugixml
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# The codec C files are pre-generated manually so it isn't necessary to build asn1c in the container
-# # Build and install asn1c submodule
-# ADD ./usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined
diff --git a/Dockerfile.dev b/Dockerfile.dev
index c522d5b..3850a0d 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -14,22 +14,10 @@ RUN apk add --upgrade --no-cache --virtual .build-deps \
     librdkafka-dev \
     asio-dev
 
-# Dependencies that are not needed if asn1c is not installed in the build container:
-# libtool
-# automake
-# autoconf
-# bison
-# flex
-
 # Install pugixml
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# The codec C files are pre-generated manually so it isn't necessary to build asn1c in the container
-# # Build and install asn1c submodule
-# ADD ./usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined
diff --git a/Dockerfile.standalone b/Dockerfile.standalone
index ca3a67c..dcb47f5 100644
--- a/Dockerfile.standalone
+++ b/Dockerfile.standalone
@@ -13,22 +13,10 @@ RUN apk add --upgrade --no-cache --virtual .build-deps \
     librdkafka-dev \
     asio-dev
 
-# Dependencies that are not needed if asn1c is not installed in the build container:
-# libtool
-# automake
-# autoconf
-# bison
-# flex
-
 # Install pugixml
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# The codec C files are pre-generated manually so it isn't necessary to build asn1c in the container
-# # Build and install asn1c submodule
-# ADD ./usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined
diff --git a/Dockerfile.testing b/Dockerfile.testing
index ad6ed95..34913b6 100644
--- a/Dockerfile.testing
+++ b/Dockerfile.testing
@@ -14,22 +14,10 @@ RUN apk add --upgrade --no-cache --virtual .build-deps \
     librdkafka-dev \
     asio-dev
 
-# Dependencies that are not needed if asn1c is not installed in the build container:
-# libtool
-# automake
-# autoconf
-# bison
-# flex
-
 # Install pugixml
 ADD ./pugixml /asn1_codec/pugixml
 RUN cd /asn1_codec/pugixml && mkdir -p build && cd build && cmake .. && make && make install
 
-# The codec C files are pre-generated manually so it isn't necessary to build asn1c in the container
-# # Build and install asn1c submodule
-# ADD ./usdot-asn1c /asn1_codec/asn1c
-# RUN cd asn1c && test -f configure || autoreconf -iv && ./configure && make && make install
-
 # Make generated files available to the build & compile example
 RUN export LD_LIBRARY_PATH=/usr/local/lib
 ADD ./asn1c_combined /asn1_codec/asn1c_combined