diff --git a/regtests/Dockerfile b/regtests/Dockerfile
index c41e6dcdb4..eb6c84cc06 100644
--- a/regtests/Dockerfile
+++ b/regtests/Dockerfile
@@ -39,7 +39,7 @@ WORKDIR /home/spark/polaris
 COPY ./regtests/setup.sh /home/spark/polaris/regtests/setup.sh
 COPY ./regtests/pyspark-setup.sh /home/spark/polaris/regtests/pyspark-setup.sh
 COPY ./client/python /home/spark/polaris/client/python
-COPY ./regtests/polaris-reg-test /home/spark/polaris/polaris
+COPY ./polaris /home/spark/polaris/polaris
 COPY ./regtests/requirements.txt /tmp/
 
 RUN python3 -m venv /home/spark/polaris/polaris-venv && \
diff --git a/regtests/polaris-reg-test b/regtests/polaris-reg-test
deleted file mode 100755
index bae672b53e..0000000000
--- a/regtests/polaris-reg-test
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/bash
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
-
-####################################################
-# This is a modified copy of the polaris script in #
-# the parent directory, used for regression tests. #
-####################################################
-
-SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-
-# Check if the current directory is 'regtests' and abort if it is
-if [ $(basename ${SCRIPT_DIR}) == "regtests" ]; then
-  echo "This script is intended solely for regression testing and cannot be executed from within the 'regtests' directory. Please use the script from the parent directory: $(dirname ${SCRIPT_DIR})/polaris"
-  exit 1
-fi
-
-# Check if the virtual environment directory 'polaris-venv' exists.
-# If it does not, perform the first-time setup for the Python client
-if [ ! -d ${SCRIPT_DIR}/polaris-venv ]; then
-  echo "Performing first-time setup for the Python client..."
-  python3 -m venv ${SCRIPT_DIR}/polaris-venv
-  . ${SCRIPT_DIR}/polaris-venv/bin/activate
-  pip install -f requirements.txt
-
-  cp ${SCRIPT_DIR}/client/python/pyproject.toml ${SCRIPT_DIR}
-
-  # Save the current directory
-  CURRENT_DIR=$(pwd)
-  cd $SCRIPT_DIR && poetry install
-  cd $CURRENT_DIR
-
-  deactivate
-  echo "First time setup complete."
-fi
-
-# Save the current directory
-CURRENT_DIR=$(pwd)
-cd $SCRIPT_DIR > /dev/null
-PYTHONPATH=client/python SCRIPT_DIR="$SCRIPT_DIR" ${SCRIPT_DIR}/polaris-venv/bin/python3 client/python/cli/polaris_cli.py "$@"
-status=$?
-cd $CURRENT_DIR > /dev/null
-
-if [ $status -ne 0 ]; then
-  exit 1
-fi
-
-exit 0