diff --git a/Dockerfile b/Dockerfile
index c5ca2301..df63c358 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,8 +5,8 @@ ENV LANG en_US.UTF-8
 ENV GHCVER 9.2.2
 
 # NOTE: also update debian-bootstrap.sh when cuda version changes
-ENV PATH /home/stackage/.stack/programs/x86_64-linux/ghc-$GHCVER/bin:/usr/local/cuda-10.0/bin:/usr/sbin:/usr/bin:/sbin:/bin
-ENV CUDA_PATH /usr/local/cuda-10.0
+# ENV PATH /home/stackage/.stack/programs/x86_64-linux/ghc-$GHCVER/bin:/usr/local/cuda-10.0/bin:/usr/sbin:/usr/bin:/sbin:/bin
+# ENV CUDA_PATH /usr/local/cuda-10.0
 
 ADD debian-bootstrap.sh /tmp/debian-bootstrap.sh
 RUN /tmp/debian-bootstrap.sh && rm /tmp/debian-bootstrap.sh
diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index 5c5dbe81..a4928dc5 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -253,30 +253,39 @@ curl https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-l
     && rm libtensorflow.tar.gz \
     && ldconfig
 
+# NOTE: This cuda pubkey is no longer available.
+#
 # NOTE: also update Dockerfile when cuda version changes
+#
 # Install CUDA toolkit
 # The current version can be found at: https://developer.nvidia.com/cuda-downloads
-CUDA_PKG=10.0.130-1
-CUDA_VER=10.0
-CUDA_APT=10-0
-
-pushd /tmp \
-    && wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
-    && apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub \
-    && dpkg -i cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
-    && apt-get update -qq \
-    && apt-get install -y cuda-drivers cuda-core-${CUDA_APT} cuda-cudart-dev-${CUDA_APT} cuda-cufft-dev-${CUDA_APT} cuda-cublas-dev-${CUDA_APT} cuda-cusparse-dev-${CUDA_APT} cuda-cusolver-dev-${CUDA_APT} \
-    && rm cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
-    && export CUDA_PATH=/usr/local/cuda-${CUDA_VER} \
-    && export LD_LIBRARY_PATH=${CUDA_PATH}/nvvm/lib64:${LD_LIBRARY_PATH+x} \
-    && export LD_LIBRARY_PATH=${CUDA_PATH}/lib64:${LD_LIBRARY_PATH} \
-    && export PATH=${CUDA_PATH}/bin:${PATH} \
-    && popd
-
+#
+# CUDA_PKG=10.0.130-1
+# CUDA_VER=10.0
+# CUDA_APT=10-0
+#
+#pushd /tmp \
+#    && wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
+#    && apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub \
+#    && dpkg -i cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
+#    && apt-get update -qq \
+#    && apt-get install -y cuda-drivers cuda-core-${CUDA_APT} cuda-cudart-dev-${CUDA_APT} cuda-cufft-dev-${CUDA_APT} cuda-cublas-dev-${CUDA_APT} cuda-cusparse-dev-${CUDA_APT} cuda-cusolver-dev-${CUDA_APT} \
+#    && rm cuda-repo-ubuntu1804_${CUDA_PKG}_amd64.deb \
+#    && export CUDA_PATH=/usr/local/cuda-${CUDA_VER} \
+#    && export LD_LIBRARY_PATH=${CUDA_PATH}/nvvm/lib64:${LD_LIBRARY_PATH+x} \
+#    && export LD_LIBRARY_PATH=${CUDA_PATH}/lib64:${LD_LIBRARY_PATH} \
+#    && export PATH=${CUDA_PATH}/bin:${PATH} \
+#    && popd
+#
 # non-free repo for mediabus-fdk-aac
-apt-add-repository multiverse \
-    && apt-get update \
-    && apt-get install -y nvidia-cuda-dev
+#apt-add-repository multiverse \
+#    && apt-get update \
+#    && apt-get install -y nvidia-cuda-dev
+#
+# Update library search paths
+#echo /usr/local/cuda-10.0/lib64 > /etc/ld.so.conf.d/cuda.conf
+#echo /usr/local/cuda-10.0/nvvm/lib64 >> /etc/ld.so.conf.d/cuda.conf
+
 
 export CLANG_PURE_LLVM_LIB_DIR=/usr/lib/llvm-9/lib;
 export CLANG_PURE_LLVM_INCLUDE_DIR=/usr/lib/llvm-9/include;
@@ -288,9 +297,6 @@ curl -OL https://github.com/google/protobuf/releases/download/v3.3.0/$PROTOC_ZIP
 sudo unzip -o $PROTOC_ZIP -d /usr bin/protoc
 rm -f $PROTOC_ZIP
 
-# Update library search paths
-echo /usr/local/cuda-10.0/lib64 > /etc/ld.so.conf.d/cuda.conf
-echo /usr/local/cuda-10.0/nvvm/lib64 >> /etc/ld.so.conf.d/cuda.conf
 
 echo /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server > /etc/ld.so.conf.d/java.conf