diff --git a/.github/workflows/quality-checks.yml b/.github/workflows/quality-checks.yml
index a5e65fb67e94..97b6d08a7974 100644
--- a/.github/workflows/quality-checks.yml
+++ b/.github/workflows/quality-checks.yml
@@ -65,7 +65,6 @@ jobs:
       env:
         TEST_SUITE: quality
         SCRIPT_TO_RUN: ./scripts/generic-ci-tests.sh
-        SHARD: 4
         PIP_SRC: ${{ runner.temp }}
         TARGET_BRANCH: ${{ github.base_ref }}
       run: |
diff --git a/pavelib/prereqs.py b/pavelib/prereqs.py
index 8d736edb8f9d..c234c520593a 100644
--- a/pavelib/prereqs.py
+++ b/pavelib/prereqs.py
@@ -148,11 +148,7 @@ def node_prereqs_installation():
 
     # NPM installs hang sporadically. Log the installation process so that we
     # determine if any packages are chronic offenders.
-    shard_str = os.getenv('SHARD', None)
-    if shard_str:
-        npm_log_file_path = f'{Env.GEN_LOG_DIR}/npm-install.{shard_str}.log'
-    else:
-        npm_log_file_path = f'{Env.GEN_LOG_DIR}/npm-install.log'
+    npm_log_file_path = f'{Env.GEN_LOG_DIR}/npm-install.log'
     npm_log_file = open(npm_log_file_path, 'wb')  # lint-amnesty, pylint: disable=consider-using-with
     npm_command = 'npm ci --verbose'.split()
 
diff --git a/pavelib/utils/envs.py b/pavelib/utils/envs.py
index ed2553a42fa2..ae99d8d6d3f1 100644
--- a/pavelib/utils/envs.py
+++ b/pavelib/utils/envs.py
@@ -64,13 +64,6 @@ class Env:
     # Which Python version should be used in xdist workers?
     PYTHON_VERSION = os.environ.get("PYTHON_VERSION", "2.7")
 
-    # If set, put reports for run in "unique" directories.
-    # The main purpose of this is to ensure that the reports can be 'slurped'
-    # in the main jenkins flow job without overwriting the reports from other
-    # build steps. For local development/testing, this shouldn't be needed.
-    if os.environ.get("SHARD", None):
-        shard_str = "shard_{}".format(os.environ.get("SHARD"))
-
     # Directory that videos are served from
     VIDEO_SOURCE_DIR = REPO_ROOT / "test_root" / "data" / "video"
 
diff --git a/scripts/generic-ci-tests.sh b/scripts/generic-ci-tests.sh
index f854a3e36cda..4ba41d4bfe4f 100755
--- a/scripts/generic-ci-tests.sh
+++ b/scripts/generic-ci-tests.sh
@@ -5,7 +5,8 @@ set -e
 #
 #   generic-ci-tests.sh
 #
-#   Execute all tests for edx-platform.
+#   Execute some tests for edx-platform.
+#   (Most other tests are run by invoking `pytest`, `pylint`, etc. directly)
 #
 #   This script can be called from CI jobs that define
 #   these environment variables:
@@ -14,41 +15,12 @@ set -e
 #   Possible values are:
 #
 #       - "quality": Run the quality (pycodestyle/pylint) checks
-#       - "lms-unit": Run the LMS Python unit tests
-#       - "cms-unit": Run the CMS Python unit tests
 #       - "js-unit": Run the JavaScript tests
-#       - "pavelib-unit": Run Python unit tests from the pavelib/lib directory
 #       - "pavelib-js-unit": Run the JavaScript tests and the Python unit
 #           tests from the pavelib/lib directory
 #
-#   `SHARD` is a number indicating which subset of the tests to build.
-#
-#       For "lms-unit", the tests are put into shard groups
-#       using the 'attr' decorator (e.g. "@attr(shard=1)"). Anything with
-#       the 'shard=n' attribute will run in the nth shard. If there isn't a
-#       shard explicitly assigned, the test will run in the last shard.
-#
-#   Jenkins-specific configuration details:
-#
-#   - The edx-platform git repository is checked out by the Jenkins git plugin.
-#   - Jenkins logs in as user "jenkins"
-#   - The Jenkins file system root is "/home/jenkins"
-#   - An init script creates a virtualenv at "/home/jenkins/edx-venv"
-#     with some requirements pre-installed (such as scipy)
-#
-#  Jenkins worker setup:
-#  See the edx/configuration repo for Jenkins worker provisioning scripts.
-#  The provisioning scripts install requirements that this script depends on!
-#
 ###############################################################################
 
-# If the environment variable 'SHARD' is not set, default to 'all'.
-# This could happen if you are trying to use this script from
-# jenkins and do not define 'SHARD' in your multi-config project.
-# Note that you will still need to pass a value for 'TEST_SUITE'
-# or else no tests will be executed.
-SHARD=${SHARD:="all"}
-
 # Clean up previous builds
 git clean -qxfd
 
@@ -105,40 +77,20 @@ case "$TEST_SUITE" in
 
         mkdir -p reports
 
-        case "$SHARD" in
-            1)
-                echo "Finding pylint violations and storing in report..."
-                run_paver_quality run_pylint --system=common  || { EXIT=1; }
-                ;;
-
-            2)
-                echo "Finding pylint violations and storing in report..."
-                run_paver_quality run_pylint --system=lms || { EXIT=1; }
-                ;;
-
-            3)
-                echo "Finding pylint violations and storing in report..."
-                run_paver_quality run_pylint --system="cms,openedx,pavelib" || { EXIT=1; }
-                ;;
-
-            4)
-                echo "Finding fixme's and storing report..."
-                run_paver_quality find_fixme || { EXIT=1; }
-                echo "Finding pycodestyle violations and storing report..."
-                run_paver_quality run_pep8 || { EXIT=1; }
-                echo "Finding ESLint violations and storing report..."
-                run_paver_quality run_eslint -l "$ESLINT_THRESHOLD" || { EXIT=1; }
-                echo "Finding Stylelint violations and storing report..."
-                run_paver_quality run_stylelint || { EXIT=1; }
-                echo "Running xss linter report."
-                run_paver_quality run_xsslint -t "$XSSLINT_THRESHOLDS" || { EXIT=1; }
-                echo "Running PII checker on all Django models..."
-                run_paver_quality run_pii_check || { EXIT=1; }
-                echo "Running reserved keyword checker on all Django models..."
-                run_paver_quality check_keywords || { EXIT=1; }
-                ;;
-
-        esac
+        echo "Finding fixme's and storing report..."
+        run_paver_quality find_fixme || { EXIT=1; }
+        echo "Finding pycodestyle violations and storing report..."
+        run_paver_quality run_pep8 || { EXIT=1; }
+        echo "Finding ESLint violations and storing report..."
+        run_paver_quality run_eslint -l "$ESLINT_THRESHOLD" || { EXIT=1; }
+        echo "Finding Stylelint violations and storing report..."
+        run_paver_quality run_stylelint || { EXIT=1; }
+        echo "Running xss linter report."
+        run_paver_quality run_xsslint -t "$XSSLINT_THRESHOLDS" || { EXIT=1; }
+        echo "Running PII checker on all Django models..."
+        run_paver_quality run_pii_check || { EXIT=1; }
+        echo "Running reserved keyword checker on all Django models..."
+        run_paver_quality check_keywords || { EXIT=1; }
 
         # Need to create an empty test result so the post-build
         # action doesn't fail the build.
diff --git a/tox.ini b/tox.ini
index 3069c04ca4c7..9b1937f3640a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,7 +46,6 @@ passenv =
     SELENIUM_BROWSER
     SELENIUM_HOST
     SELENIUM_PORT
-    SHARD
     SKIP_NPM_INSTALL
     SSH_AUTH_SOCK
     STUDIO_CFG