diff --git a/charts/eric-oss-hello-world-python-app/templates/deployment/deployment.yaml b/charts/eric-oss-hello-world-python-app/templates/deployment/deployment.yaml
index a50b737..5eb87d6 100644
--- a/charts/eric-oss-hello-world-python-app/templates/deployment/deployment.yaml
+++ b/charts/eric-oss-hello-world-python-app/templates/deployment/deployment.yaml
@@ -111,10 +111,6 @@ spec:
               mountPath: {{ index .Values "clientCredsMountPath" | default .Values.instantiationDefaults.clientCredsMountPath | quote }}
               readOnly: true
           env:
-            - name: IAM_CLIENT_ID
-              value: {{ index .Values "clientId" | quote }}
-            - name: IAM_CLIENT_SECRET
-              value: {{ index .Values "clientSecret" | quote }}
             - name: EIC_HOST_URL
               value: {{ index .Values "eicHostUrl" | quote }}
             - name: LOG_ENDPOINT
diff --git a/eric-oss-hello-world-python-app/config.py b/eric-oss-hello-world-python-app/config.py
index 5122923..39a7e9a 100644
--- a/eric-oss-hello-world-python-app/config.py
+++ b/eric-oss-hello-world-python-app/config.py
@@ -5,8 +5,6 @@
 
 def get_config():
     """get env and return config with all env vals required"""
-    iam_client_id = get_os_env_string("IAM_CLIENT_ID", "")
-    iam_client_secret = get_os_env_string("IAM_CLIENT_SECRET", "")
     eic_host_url = get_os_env_string("EIC_HOST_URL", "")
     ca_cert_file_name = get_os_env_string("CA_CERT_FILE_NAME", "")
     ca_cert_file_path = get_os_env_string("CA_CERT_FILE_PATH", "")
@@ -19,8 +17,6 @@ def get_config():
     client_id_file_name = get_os_env_string("CLIENT_ID_FILE_NAME", "")
 
     config = {
-        "iam_client_id": iam_client_id,
-        "iam_client_secret": iam_client_secret,
         "eic_host_url": eic_host_url,
         "ca_cert_file_name": ca_cert_file_name,
         "ca_cert_file_path": ca_cert_file_path,
diff --git a/eric-oss-hello-world-python-app/tests/conftest.py b/eric-oss-hello-world-python-app/tests/conftest.py
index 372472a..d0b60bb 100644
--- a/eric-oss-hello-world-python-app/tests/conftest.py
+++ b/eric-oss-hello-world-python-app/tests/conftest.py
@@ -31,18 +31,7 @@ def match_request_data(request):
             ]
         ]
     )
-    uses_legacy = all(
-        [
-            parameter in request.text
-            for parameter in [
-                "grant_type=client_credentials",
-                "tenant_id=master",
-                "client_id=IAM_CLIENT_ID",
-                "client_secret=IAM_CLIENT_SECRET",
-            ]
-        ]
-    )
-    return uses_x509 or uses_legacy
+    return uses_x509
 
 
 @pytest.fixture(name="mock_login_api")
@@ -109,8 +98,6 @@ def no_log_certs():
 
 
 def populate_environment_variables():
-    os.environ["IAM_CLIENT_ID"] = "IAM_CLIENT_ID"
-    os.environ["IAM_CLIENT_SECRET"] = "IAM_CLIENT_SECRET"
     os.environ["EIC_HOST_URL"] = "https://www.eic-host-url.com"
     os.environ["CA_CERT_FILE_NAME"] = "CA_CERT_FILE_NAME"
     os.environ["CA_CERT_FILE_PATH"] = "CA_CERT_MOUNT_PATH"