diff --git a/features/src/workbench-tools/install.sh b/features/src/workbench-tools/install.sh
index 29d09c2d..c7207050 100755
--- a/features/src/workbench-tools/install.sh
+++ b/features/src/workbench-tools/install.sh
@@ -89,19 +89,6 @@ CONDA_PACKAGES_2=(
     "plink2"
     "regenie"
     "vcftools"
-    "conda-forge::google-cloud-storage"
-    "conda-forge::ipykernel"
-    "conda-forge::ipywidgets"
-    "conda-forge::jupyter"
-    "conda-forge::openai"
-    "conda-forge::matplotlib"
-    "conda-forge::numpy"
-    "conda-forge::plotly"
-    "conda-forge::pandas"
-    "conda-forge::seaborn"
-    "conda-forge::scikit-learn"
-    "conda-forge::scipy"
-    "conda-forge::tqdm"
 )
 
 mkdir -p "${WORKBENCH_TOOLS_DIR}"
@@ -130,12 +117,6 @@ chown -R "${USERNAME}:" "${WORKBENCH_TOOLS_DIR}"
     # Set CROMWELL_JAR environment variable
     printf 'export CROMWELL_JAR="%s"\n' "${WORKBENCH_TOOLS_DIR}/2/share/cromwell/cromwell.jar"
 
-    # Prepend workbench-tools Python site-packages to PYTHONPATH to prevent conflicts
-    # with base image Python environments (e.g., NeMo's Python 3.12). This ensures
-    # workbench-tools packages and their dependencies are found first.
-    # shellcheck disable=SC2016 # we want $PYTHONPATH to be evaluated at runtime
-    printf 'export PYTHONPATH="%s/2/lib/python3.9/site-packages:${PYTHONPATH:-}"\n' "${WORKBENCH_TOOLS_DIR}"
-
     # Make dsub a function that includes the correct PYTHONPATH. NeMo sets
     # PYTHONPATH so we need to override it here. We use a function instead of an
     # alias because aliases are not expanded in non-interactive shells.
diff --git a/test/test.sh b/test/test.sh
index 5ac7eb25..e7341726 100755
--- a/test/test.sh
+++ b/test/test.sh
@@ -44,20 +44,6 @@ if [[ "$HAS_WORKBENCH_TOOLS" == "true" ]]; then
     check "vep: filter_vep" "filter_vep --help > /dev/null"
     check "vep: variant_recoder" "variant_recoder --help | head -n10"
     check "vep: haplo" "haplo --help | head -n10"
-    # Python packages (use conda python directly)
-    check "python: google-cloud-storage" '/opt/workbench-tools/2/bin/python3 -c "import google.cloud.storage"'
-    check "python: ipykernel" '/opt/workbench-tools/2/bin/python3 -c "import ipykernel"'
-    check "python: ipywidgets" '/opt/workbench-tools/2/bin/python3 -c "import ipywidgets"'
-    check "python: jupyter" '/opt/workbench-tools/2/bin/python3 -c "import jupyter"'
-    check "python: openai" '/opt/workbench-tools/2/bin/python3 -c "import openai"'
-    check "python: matplotlib" '/opt/workbench-tools/2/bin/python3 -c "import matplotlib"'
-    check "python: numpy" '/opt/workbench-tools/2/bin/python3 -c "import numpy"'
-    check "python: plotly" '/opt/workbench-tools/2/bin/python3 -c "import plotly"'
-    check "python: pandas" '/opt/workbench-tools/2/bin/python3 -c "import pandas"'
-    check "python: seaborn" '/opt/workbench-tools/2/bin/python3 -c "import seaborn"'
-    check "python: scikit-learn" '/opt/workbench-tools/2/bin/python3 -c "import sklearn"'
-    check "python: scipy" '/opt/workbench-tools/2/bin/python3 -c "import scipy"'
-    check "python: tqdm" '/opt/workbench-tools/2/bin/python3 -c "import tqdm"'
 fi
 
 # The postgres-client feature should install these