diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19ed18c78..bfe6998e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -90,7 +90,6 @@ jobs:
           MITXPRO_ADMIN_EMAIL: example@localhost
           OPENEDX_API_CLIENT_ID: fake_client_id
           OPENEDX_API_CLIENT_SECRET: fake_client_secret # pragma: allowlist secret
-          OPENEDX_API_KEY: test-openedx-api-key # pragma: allowlist secret
 
       - name: Tests
         run: |
@@ -120,7 +119,6 @@ jobs:
           OPENEDX_API_BASE_URL: http://localhost:18000
           OPENEDX_API_CLIENT_ID: fake_client_id
           OPENEDX_API_CLIENT_SECRET: fake_client_secret # pragma: allowlist secret
-          OPENEDX_API_KEY: test-openedx-api-key # pragma: allowlist secret
           SECRET_KEY: local_unsafe_key # pragma: allowlist secret
 
       - name: Upload coverage to CodeCov
diff --git a/.secrets.baseline b/.secrets.baseline
index 606f8678d..70560a3d2 100644
--- a/.secrets.baseline
+++ b/.secrets.baseline
@@ -213,13 +213,6 @@
         "hashed_secret": "b235838f76594bf21886c6eec9c06a207e9ec5ce",
         "is_verified": false,
         "line_number": 35
-      },
-      {
-        "type": "Secret Keyword",
-        "filename": "pytest.ini",
-        "hashed_secret": "e035cdf1f57666859ec5949ee389d479d03ea1e3",
-        "is_verified": false,
-        "line_number": 36
       }
     ],
     "sheets/dev-setup.md": [
@@ -284,5 +277,5 @@
       }
     ]
   },
-  "generated_at": "2024-05-15T07:35:56Z"
+  "generated_at": "2024-05-22T09:32:37Z"
 }
diff --git a/app.json b/app.json
index ef3b892e7..4a345feab 100644
--- a/app.json
+++ b/app.json
@@ -442,10 +442,6 @@
       "description": "The OAuth2 client secret to connect to Open edX with",
       "required": true
     },
-    "OPENEDX_API_KEY": {
-      "description": "edX API key (EDX_API_KEY setting in Open edX)",
-      "required": true
-    },
     "OPENEDX_BASE_REDIRECT_URL": {
       "description": "The base redirect URL for an OAuth Application for the Open edX API",
       "required": false
diff --git a/courseware/api.py b/courseware/api.py
index e8eb714ab..3fd4dbcf5 100644
--- a/courseware/api.py
+++ b/courseware/api.py
@@ -62,7 +62,6 @@
 
 ACCESS_TOKEN_HEADER_NAME = "X-Access-Token"  # noqa: S105
 AUTH_TOKEN_HEADER_NAME = "Authorization"  # noqa: S105
-API_KEY_HEADER_NAME = "X-EdX-Api-Key"  # pragma: allowlist secret
 
 
 @dataclass(frozen=True)
@@ -127,10 +126,7 @@ def get_existing_openedx_user(user):
         raise ImproperlyConfigured("OPENEDX_SERVICE_WORKER_API_TOKEN is not set")  # noqa: EM101
     req_session = requests.Session()
     req_session.headers.update(
-        {
-            AUTH_TOKEN_HEADER_NAME: f"Bearer {settings.OPENEDX_SERVICE_WORKER_API_TOKEN}",
-            API_KEY_HEADER_NAME: settings.OPENEDX_API_KEY,
-        }
+        {AUTH_TOKEN_HEADER_NAME: f"Bearer {settings.OPENEDX_SERVICE_WORKER_API_TOKEN}"}
     )
     response = req_session.get(
         edx_url(f"{OPENEDX_USER_ACCOUNT_DETAIL_PATH}"), params={"email": user.email}
@@ -515,7 +511,7 @@ def get_edx_api_client(user, ttl_in_seconds=OPENEDX_AUTH_DEFAULT_TTL_IN_SECONDS)
             "{} does not have an associated OpenEdxApiAuth".format(str(user))  # noqa: EM103, UP032
         )
     return EdxApi(
-        {"access_token": auth.access_token, "api_key": settings.OPENEDX_API_KEY},
+        {"access_token": auth.access_token},
         settings.OPENEDX_API_BASE_URL,
         timeout=settings.EDX_API_CLIENT_TIMEOUT,
     )
@@ -532,10 +528,7 @@ def get_edx_api_service_client():
         raise ImproperlyConfigured("OPENEDX_SERVICE_WORKER_API_TOKEN is not set")  # noqa: EM101
 
     return EdxApi(
-        {
-            "access_token": settings.OPENEDX_SERVICE_WORKER_API_TOKEN,
-            "api_key": settings.OPENEDX_API_KEY,
-        },
+        {"access_token": settings.OPENEDX_SERVICE_WORKER_API_TOKEN},
         settings.OPENEDX_API_BASE_URL,
         timeout=settings.EDX_API_CLIENT_TIMEOUT,
     )
@@ -630,6 +623,7 @@ def enroll_in_edx_course_runs(user, course_runs, force_enrollment=True):  # noqa
         UnknownEdxApiEnrollException: Raised if an unknown error was encountered during the edX API request
     """
     edx_client = get_edx_api_service_client()
+
     username = user.username
     results = []
     for course_run in course_runs:
@@ -745,10 +739,10 @@ def unenroll_edx_course_run(run_enrollment):
         EdxApiEnrollErrorException: Raised if the underlying edX API HTTP request fails
         UnknownEdxApiEnrollException: Raised if an unknown error was encountered during the edX API request
     """
-    edx_client = get_edx_api_client(run_enrollment.user)
+    edx_client = get_edx_api_service_client()
     try:
         deactivated_enrollment = edx_client.enrollments.deactivate_enrollment(
-            run_enrollment.run.courseware_id
+            run_enrollment.run.courseware_id, username=run_enrollment.user.username
         )
     except HTTPError as exc:
         raise EdxApiEnrollErrorException(run_enrollment.user, run_enrollment.run, exc)  # noqa: B904, TRY200
diff --git a/courseware/api_test.py b/courseware/api_test.py
index a80bbed87..ada5d7112 100644
--- a/courseware/api_test.py
+++ b/courseware/api_test.py
@@ -716,14 +716,19 @@ def test_unenroll_edx_course_run(mocker):
     mock_client = mocker.MagicMock()
     run_enrollment = CourseRunEnrollmentFactory.create(edx_enrolled=True)
     courseware_id = run_enrollment.run.courseware_id
-    enroll_return_value = mocker.Mock(json={"course_id": courseware_id})
+    username = run_enrollment.user.username
+    enroll_return_value = mocker.Mock(
+        json={"course_id": courseware_id, "user": username}
+    )
     mock_client.enrollments.deactivate_enrollment = mocker.Mock(
         return_value=enroll_return_value
     )
-    mocker.patch("courseware.api.get_edx_api_client", return_value=mock_client)
+    mocker.patch("courseware.api.get_edx_api_service_client", return_value=mock_client)
     deactivated_enrollment = unenroll_edx_course_run(run_enrollment)
 
-    mock_client.enrollments.deactivate_enrollment.assert_called_once_with(courseware_id)
+    mock_client.enrollments.deactivate_enrollment.assert_called_once_with(
+        courseware_id, username=username
+    )
     assert deactivated_enrollment == enroll_return_value
 
 
@@ -744,7 +749,7 @@ def test_unenroll_edx_course_run_failure(
     mock_client.enrollments.deactivate_enrollment = mocker.Mock(
         side_effect=client_exception_raised
     )
-    mocker.patch("courseware.api.get_edx_api_client", return_value=mock_client)
+    mocker.patch("courseware.api.get_edx_api_service_client", return_value=mock_client)
     with pytest.raises(expected_exception):
         unenroll_edx_course_run(run_enrollment)
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 374eb7903..00f33bb77 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,7 +16,6 @@ x-environment: &py-environment
   REDIS_URL: redis://redis:6379/4
   DOCKER_HOST: ${DOCKER_HOST:-missing}
   WEBPACK_DEV_SERVER_HOST: ${WEBPACK_DEV_SERVER_HOST:-localhost}
-  OPENEDX_API_KEY: ${OPENEDX_API_KEY:-PUT_YOUR_API_KEY_HERE}
 
 x-extra-hosts: &default-extra-hosts
   - "edx.odl.local:${OPENEDX_IP:-172.22.0.1}"
diff --git a/mitxpro/settings.py b/mitxpro/settings.py
index 876ca2426..44da09723 100644
--- a/mitxpro/settings.py
+++ b/mitxpro/settings.py
@@ -1045,12 +1045,6 @@
     description="The OAuth2 client secret to connect to Open edX with",
     required=True,
 )
-OPENEDX_API_KEY = get_string(
-    name="OPENEDX_API_KEY",
-    default=None,
-    description="edX API key (EDX_API_KEY setting in Open edX)",
-    required=True,
-)
 
 MITXPRO_REGISTRATION_ACCESS_TOKEN = get_string(
     name="MITXPRO_REGISTRATION_ACCESS_TOKEN",
diff --git a/poetry.lock b/poetry.lock
index 056faafd1..52951355a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand.
 
 [[package]]
 name = "amqp"
@@ -1242,13 +1242,13 @@ files = [
 
 [[package]]
 name = "edx-api-client"
-version = "1.8.0"
+version = "1.9.0"
 description = "Python interface to the edX REST APIs"
 optional = false
 python-versions = "*"
 files = [
-    {file = "edx-api-client-1.8.0.tar.gz", hash = "sha256:cbf9af4d466cbea465054d78688e6f335a3e485a4e2f90dc82e050202af29ba1"},
-    {file = "edx_api_client-1.8.0-py2.py3-none-any.whl", hash = "sha256:050f0622c2c3a0d4f24902bf6218b2a554b86a5e84800b71d1fefd0bddf3ad13"},
+    {file = "edx-api-client-1.9.0.tar.gz", hash = "sha256:75006eb9d2540da3960993a3050372e52557b2c4c28d1d6f02cc2d6c46e72f57"},
+    {file = "edx_api_client-1.9.0-py2.py3-none-any.whl", hash = "sha256:10d2f1d0a33cf5c3bf77bdabb4862d9724e41d3f1d9084d5545b292383d60acf"},
 ]
 
 [package.dependencies]
@@ -4089,4 +4089,4 @@ xmlsec = ["xmlsec (>=0.6.1)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "3.9.15"
-content-hash = "37f393dfd4949325481056512f91def2894865cf71a6345f53538ba135885074"
+content-hash = "315a2f6add7e1a53b25cc80aeee9fa6301b6c9a51d227958e05b4c9c64ba390e"
diff --git a/pyproject.toml b/pyproject.toml
index 0d21843e0..b8e767aa5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ django-user-agents = "0.4.0"
 django-webpack-loader = "0.7.0"
 djangorestframework = "3.15.1"
 drf-flex-fields = "0.9.9"
-edx-api-client = "1.8.0"
+edx-api-client = "1.9.0"
 flaky = "3.8.1"
 google-api-python-client = "1.12.11"
 google-auth = "1.35.0"
diff --git a/pytest.ini b/pytest.ini
index bca581c5a..1faddffcd 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -33,7 +33,6 @@ env =
   OPENEDX_API_BASE_URL=http://localhost:18000
   OPENEDX_API_CLIENT_ID=fake_client_id
   OPENEDX_API_CLIENT_SECRET=fake_client_secret
-  OPENEDX_API_KEY=test-openedx-api-key
   SENTRY_DSN=
   WAGTAIL_CACHE_BACKEND=django.core.cache.backends.dummy.DummyCache
   WAGTAIL_CACHE_URL=