diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 3960790ce7..236ece70e8 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -2756,16 +2756,11 @@ class JobOptionsSerializer(LabelsListMixin, BaseSerializer):
         if obj.organization_id:
             res['organization'] = self.reverse('api:organization_detail', kwargs={'pk': obj.organization_id})
         if isinstance(obj, UnifiedJobTemplate):
-            res['extra_credentials'] = self.reverse(
-                'api:job_template_extra_credentials_list',
-                kwargs={'pk': obj.pk}
-            )
             res['credentials'] = self.reverse(
                 'api:job_template_credentials_list',
                 kwargs={'pk': obj.pk}
             )
         elif isinstance(obj, UnifiedJob):
-            res['extra_credentials'] = self.reverse('api:job_extra_credentials_list', kwargs={'pk': obj.pk})
             res['credentials'] = self.reverse('api:job_credentials_list', kwargs={'pk': obj.pk})
 
         return res
@@ -2934,7 +2929,6 @@ class JobTemplateSerializer(JobTemplateMixin, UnifiedJobTemplateSerializer, JobO
         summary_fields = super(JobTemplateSerializer, self).get_summary_fields(obj)
         all_creds = []
         # Organize credential data into multitude of deprecated fields
-        extra_creds = []
         if obj.pk:
             for cred in obj.credentials.all():
                 summarized_cred = {
@@ -2945,10 +2939,6 @@ class JobTemplateSerializer(JobTemplateMixin, UnifiedJobTemplateSerializer, JobO
                     'cloud': cred.credential_type.kind == 'cloud'
                 }
                 all_creds.append(summarized_cred)
-                if cred.credential_type.kind in ('cloud', 'net'):
-                    extra_creds.append(summarized_cred)
-        if self.is_detail_view:
-            summary_fields['extra_credentials'] = extra_creds
         summary_fields['credentials'] = all_creds
         return summary_fields
 
@@ -3023,7 +3013,6 @@ class JobSerializer(UnifiedJobSerializer, JobOptionsSerializer):
         summary_fields = super(JobSerializer, self).get_summary_fields(obj)
         all_creds = []
         # Organize credential data into multitude of deprecated fields
-        extra_creds = []
         if obj.pk:
             for cred in obj.credentials.all():
                 summarized_cred = {
@@ -3034,10 +3023,6 @@ class JobSerializer(UnifiedJobSerializer, JobOptionsSerializer):
                     'cloud': cred.credential_type.kind == 'cloud'
                 }
                 all_creds.append(summarized_cred)
-                if cred.credential_type.kind in ('cloud', 'net'):
-                    extra_creds.append(summarized_cred)
-        if self.is_detail_view:
-            summary_fields['extra_credentials'] = extra_creds
         summary_fields['credentials'] = all_creds
         return summary_fields
 
diff --git a/awx/api/urls/urls.py b/awx/api/urls/urls.py
index ac1182ddca..2745f87095 100644
--- a/awx/api/urls/urls.py
+++ b/awx/api/urls/urls.py
@@ -23,9 +23,7 @@ from awx.api.views import (
     UnifiedJobList,
     HostAnsibleFactsDetail,
     JobCredentialsList,
-    JobExtraCredentialsList,
     JobTemplateCredentialsList,
-    JobTemplateExtraCredentialsList,
     SchedulePreview,
     ScheduleZoneInfo,
     OAuth2ApplicationList,
@@ -83,9 +81,7 @@ v2_urls = [
     url(r'^credential_types/', include(credential_type_urls)),
     url(r'^credential_input_sources/', include(credential_input_source_urls)),
     url(r'^hosts/(?P<pk>[0-9]+)/ansible_facts/$', HostAnsibleFactsDetail.as_view(), name='host_ansible_facts_detail'),
-    url(r'^jobs/(?P<pk>[0-9]+)/extra_credentials/$', JobExtraCredentialsList.as_view(), name='job_extra_credentials_list'),
     url(r'^jobs/(?P<pk>[0-9]+)/credentials/$', JobCredentialsList.as_view(), name='job_credentials_list'),
-    url(r'^job_templates/(?P<pk>[0-9]+)/extra_credentials/$', JobTemplateExtraCredentialsList.as_view(), name='job_template_extra_credentials_list'),
     url(r'^job_templates/(?P<pk>[0-9]+)/credentials/$', JobTemplateCredentialsList.as_view(), name='job_template_credentials_list'),
     url(r'^schedules/preview/$', SchedulePreview.as_view(), name='schedule_rrule'),
     url(r'^schedules/zoneinfo/$', ScheduleZoneInfo.as_view(), name='schedule_zoneinfo'),
diff --git a/awx/api/views/__init__.py b/awx/api/views/__init__.py
index aca8d892a0..1e215d653f 100644
--- a/awx/api/views/__init__.py
+++ b/awx/api/views/__init__.py
@@ -12,7 +12,7 @@ import socket
 import sys
 import time
 from base64 import b64encode
-from collections import OrderedDict, Iterable
+from collections import OrderedDict
 
 
 # Django
@@ -2344,51 +2344,6 @@ class JobTemplateLaunch(RetrieveAPIView):
         if 'inventory' not in modern_data and id_fd in modern_data:
             modern_data['inventory'] = modern_data[id_fd]
 
-        # Automatically convert legacy launch credential arguments into a list of `.credentials`
-        if 'credentials' in modern_data and 'extra_credentials' in modern_data:
-            raise ParseError({"error": _(
-                "'credentials' cannot be used in combination with 'extra_credentials'."
-            )})
-
-        if 'extra_credentials' in modern_data:
-            # make a list of the current credentials
-            existing_credentials = obj.credentials.all()
-            template_credentials = list(existing_credentials)  # save copy of existing
-            new_credentials = []
-            if 'extra_credentials' in modern_data:
-                existing_credentials = [
-                    cred for cred in existing_credentials
-                    if cred.credential_type.kind not in ('cloud', 'net')
-                ]
-                prompted_value = modern_data.pop('extra_credentials')
-
-                # validate type, since these are not covered by a serializer
-                if not isinstance(prompted_value, Iterable):
-                    msg = _(
-                        "Incorrect type. Expected a list received {}."
-                    ).format(prompted_value.__class__.__name__)
-                    raise ParseError({'extra_credentials': [msg], 'credentials': [msg]})
-
-                # add the deprecated credential specified in the request
-                if not isinstance(prompted_value, Iterable) or isinstance(prompted_value, str):
-                    prompted_value = [prompted_value]
-
-                # If user gave extra_credentials, special case to use exactly
-                # the given list without merging with JT credentials
-                if prompted_value:
-                    obj._deprecated_credential_launch = True  # signal to not merge credentials
-                new_credentials.extend(prompted_value)
-
-            # combine the list of "new" and the filtered list of "old"
-            new_credentials.extend([cred.pk for cred in existing_credentials])
-            if new_credentials:
-                # If provided list doesn't contain the pre-existing credentials
-                # defined on the template, add them back here
-                for cred_obj in template_credentials:
-                    if cred_obj.pk not in new_credentials:
-                        new_credentials.append(cred_obj.pk)
-                modern_data['credentials'] = new_credentials
-
         # credential passwords were historically provided as top-level attributes
         if 'credential_passwords' not in modern_data:
             modern_data['credential_passwords'] = data.copy()
@@ -2711,22 +2666,6 @@ class JobTemplateCredentialsList(SubListCreateAttachDetachAPIView):
         return super(JobTemplateCredentialsList, self).is_valid_relation(parent, sub, created)
 
 
-class JobTemplateExtraCredentialsList(JobTemplateCredentialsList):
-
-    deprecated = True
-
-    def get_queryset(self):
-        sublist_qs = super(JobTemplateExtraCredentialsList, self).get_queryset()
-        sublist_qs = sublist_qs.filter(credential_type__kind__in=['cloud', 'net'])
-        return sublist_qs
-
-    def is_valid_relation(self, parent, sub, created=False):
-        valid = super(JobTemplateExtraCredentialsList, self).is_valid_relation(parent, sub, created)
-        if sub.credential_type.kind not in ('cloud', 'net'):
-            return {'error': _('Extra credentials must be network or cloud.')}
-        return valid
-
-
 class JobTemplateLabelList(DeleteLastUnattachLabelMixin, SubListCreateAttachDetachAPIView):
 
     model = models.Label
@@ -3543,16 +3482,6 @@ class JobCredentialsList(SubListAPIView):
     relationship = 'credentials'
 
 
-class JobExtraCredentialsList(JobCredentialsList):
-
-    deprecated = True
-
-    def get_queryset(self):
-        sublist_qs = super(JobExtraCredentialsList, self).get_queryset()
-        sublist_qs = sublist_qs.filter(credential_type__kind__in=['cloud', 'net'])
-        return sublist_qs
-
-
 class JobLabelList(SubListAPIView):
 
     model = models.Label
diff --git a/awx/main/models/jobs.py b/awx/main/models/jobs.py
index e67478a8e8..1ecb788900 100644
--- a/awx/main/models/jobs.py
+++ b/awx/main/models/jobs.py
@@ -439,13 +439,9 @@ class JobTemplate(UnifiedJobTemplate, JobOptions, SurveyJobTemplateMixin, Resour
             field = self._meta.get_field(field_name)
             if isinstance(field, models.ManyToManyField):
                 old_value = set(old_value.all())
-                if getattr(self, '_deprecated_credential_launch', False):
-                    # TODO: remove this code branch when support for `extra_credentials` goes away
-                    new_value = set(kwargs[field_name])
-                else:
-                    new_value = set(kwargs[field_name]) - old_value
-                    if not new_value:
-                        continue
+                new_value = set(kwargs[field_name]) - old_value
+                if not new_value:
+                    continue
 
             if new_value == old_value:
                 # no-op case: Fields the same as template's value
diff --git a/awx/main/models/unified_jobs.py b/awx/main/models/unified_jobs.py
index 70fd0e004d..1e6d549e80 100644
--- a/awx/main/models/unified_jobs.py
+++ b/awx/main/models/unified_jobs.py
@@ -413,9 +413,8 @@ class UnifiedJobTemplate(PolymorphicModel, CommonModelNameNotUnique, Notificatio
         if 'extra_vars' in validated_kwargs:
             unified_job.handle_extra_data(validated_kwargs['extra_vars'])
 
-        if not getattr(self, '_deprecated_credential_launch', False):
-            # Create record of provided prompts for relaunch and rescheduling
-            unified_job.create_config_from_prompts(kwargs, parent=self)
+        # Create record of provided prompts for relaunch and rescheduling
+        unified_job.create_config_from_prompts(kwargs, parent=self)
 
         # manually issue the create activity stream entry _after_ M2M relations
         # have been associated to the UJ
diff --git a/awx/main/tests/docs/test_swagger_generation.py b/awx/main/tests/docs/test_swagger_generation.py
index 5ee30e0b1e..806382158f 100644
--- a/awx/main/tests/docs/test_swagger_generation.py
+++ b/awx/main/tests/docs/test_swagger_generation.py
@@ -105,9 +105,6 @@ class TestSwaggerGeneration():
             'get', 'put', 'patch', 'delete'
         ]
 
-        # Test deprecated paths
-        assert paths['/api/v2/jobs/{id}/extra_credentials/']['get']['deprecated'] is True
-
     @pytest.mark.parametrize('path', [
         '/api/',
         '/api/v2/',
diff --git a/awx/main/tests/functional/api/test_deprecated_credential_assignment.py b/awx/main/tests/functional/api/test_deprecated_credential_assignment.py
index 880b7ff892..38fea20c4d 100644
--- a/awx/main/tests/functional/api/test_deprecated_credential_assignment.py
+++ b/awx/main/tests/functional/api/test_deprecated_credential_assignment.py
@@ -24,41 +24,6 @@ def job_template(job_template, project, inventory):
     return job_template
 
 
-@pytest.mark.django_db
-def test_extra_credentials_filtering(get, job_template, admin,
-                                     machine_credential, vault_credential, credential):
-    job_template.credentials.add(machine_credential)
-    job_template.credentials.add(vault_credential)
-    job_template.credentials.add(credential)
-    url = reverse(
-        'api:job_template_extra_credentials_list',
-        kwargs={'pk': job_template.pk}
-    )
-    resp = get(url, admin, expect=200)
-    assert resp.data['count'] == 1
-    assert resp.data['results'][0]['id'] == credential.pk
-
-
-@pytest.mark.django_db
-def test_extra_credentials_requires_cloud_or_net(get, post, job_template, admin,
-                                                 machine_credential, vault_credential, credential,
-                                                 net_credential):
-    url = reverse(
-        'api:job_template_extra_credentials_list',
-        kwargs={'pk': job_template.pk}
-    )
-
-    for cred in (machine_credential, vault_credential):
-        resp = post(url, {'associate': True, 'id': cred.pk}, admin, expect=400)
-        assert 'Extra credentials must be network or cloud.' in smart_str(resp.content)
-
-    post(url, {'associate': True, 'id': credential.pk}, admin, expect=204)
-    assert get(url, admin).data['count'] == 1
-
-    post(url, {'associate': True, 'id': net_credential.pk}, admin, expect=204)
-    assert get(url, admin).data['count'] == 2
-
-
 @pytest.mark.django_db
 def test_prevent_multiple_machine_creds(get, post, job_template, admin, machine_credential):
     url = reverse(
@@ -115,52 +80,6 @@ def test_prevent_multiple_machine_creds_at_launch(get, post, job_template, admin
     assert 'Cannot assign multiple Machine credentials.' in smart_str(resp.content)
 
 
-@pytest.mark.django_db
-def test_extra_credentials_unique_by_kind(get, post, job_template, admin,
-                                          credentialtype_aws):
-    url = reverse(
-        'api:job_template_extra_credentials_list',
-        kwargs={'pk': job_template.pk}
-    )
-
-    def _new_cred(name):
-        return {
-            'name': name,
-            'credential_type': credentialtype_aws.pk,
-            'inputs': {
-                'username': 'bob',
-                'password': 'secret',
-            }
-        }
-
-    post(url, _new_cred('First Cred'), admin, expect=201)
-    assert get(url, admin).data['count'] == 1
-
-    resp = post(url, _new_cred('Second Cred'), admin, expect=400)
-    assert 'Cannot assign multiple Amazon Web Services credentials.' in smart_str(resp.content)
-
-
-@pytest.mark.django_db
-def test_extra_credentials_at_launch(get, post, job_template, admin, credential):
-    url = reverse('api:job_template_launch', kwargs={'pk': job_template.pk})
-    pk = post(url, {'extra_credentials': [credential.pk]}, admin, expect=201).data['job']
-    summary_fields = get(reverse('api:job_detail', kwargs={'pk': pk}), admin).data['summary_fields']
-
-    assert len(summary_fields['credentials']) == 1
-
-
-@pytest.mark.django_db
-def test_modify_extra_credentials_at_launch(get, post, job_template, admin,
-                                            machine_credential, vault_credential, credential):
-    job_template.credentials.add(machine_credential)
-    job_template.credentials.add(vault_credential)
-    url = reverse('api:job_template_launch', kwargs={'pk': job_template.pk})
-    pk = post(url, {'extra_credentials': [credential.pk]}, admin, expect=201).data['job']
-
-    summary_fields = get(reverse('api:job_detail', kwargs={'pk': pk}), admin).data['summary_fields']
-    assert len(summary_fields['credentials']) == 3
-
-
 @pytest.mark.django_db
 def test_ssh_password_prompted_at_launch(get, post, job_template, admin, machine_credential):
     job_template.credentials.add(machine_credential)
@@ -229,25 +148,6 @@ def test_vault_credential_with_password_at_launch(get, post, job_template, admin
         signal_start.assert_called_with(vault_password='testing123')
 
 
-@pytest.mark.django_db
-def test_extra_creds_prompted_at_launch(get, post, job_template, admin, net_credential):
-    url = reverse('api:job_template_launch', kwargs={'pk': job_template.pk})
-    resp = post(url, {'extra_credentials': [net_credential.pk]}, admin, expect=201)
-
-    summary_fields = get(
-        reverse('api:job_detail', kwargs={'pk': resp.data['job']}),
-        admin
-    ).data['summary_fields']
-    assert len(summary_fields['credentials']) == 1
-
-
-@pytest.mark.django_db
-def test_invalid_mixed_credentials_specification(get, post, job_template, admin, net_credential):
-    url = reverse('api:job_template_launch', kwargs={'pk': job_template.pk})
-    post(url=url, data={'credentials': [net_credential.pk], 'extra_credentials': [net_credential.pk]},
-         user=admin, expect=400)
-
-
 @pytest.mark.django_db
 def test_deprecated_credential_activity_stream(patch, admin_user, machine_credential, job_template):
     job_template.credentials.add(machine_credential)
diff --git a/awx/main/tests/functional/api/test_job.py b/awx/main/tests/functional/api/test_job.py
index db32c0dd7f..a0467bd6c0 100644
--- a/awx/main/tests/functional/api/test_job.py
+++ b/awx/main/tests/functional/api/test_job.py
@@ -22,20 +22,6 @@ from awx.main.models import (
 )
 
 
-@pytest.mark.django_db
-def test_extra_credentials(get, organization_factory, job_template_factory, credential):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-    jt.credentials.add(credential)
-    jt.save()
-    job = jt.create_unified_job()
-
-    url = reverse('api:job_extra_credentials_list', kwargs={'pk': job.pk})
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 1
-
-
 @pytest.mark.django_db
 def test_job_relaunch_permission_denied_response(
         post, get, inventory, project, credential, net_credential, machine_credential):
@@ -50,7 +36,7 @@ def test_job_relaunch_permission_denied_response(
     r = get(job.get_absolute_url(), jt_user, expect=200)
     assert r.data['summary_fields']['user_capabilities']['start']
 
-    # Job has prompted extra_credential, launch denied w/ message
+    # Job has prompted credential, launch denied w/ message
     job.launch_config.credentials.add(net_credential)
     r = post(reverse('api:job_relaunch', kwargs={'pk':job.pk}), {}, jt_user, expect=403)
     assert 'launched with prompted fields you do not have access to' in r.data['detail']
@@ -70,7 +56,7 @@ def test_job_relaunch_prompts_not_accepted_response(
     r = get(job.get_absolute_url(), jt_user, expect=200)
     assert r.data['summary_fields']['user_capabilities']['start']
 
-    # Job has prompted extra_credential, launch denied w/ message
+    # Job has prompted credential, launch denied w/ message
     job.launch_config.credentials.add(net_credential)
     r = post(reverse('api:job_relaunch', kwargs={'pk':job.pk}), {}, jt_user, expect=403)
 
diff --git a/awx/main/tests/functional/api/test_job_runtime_params.py b/awx/main/tests/functional/api/test_job_runtime_params.py
index 4d86b8dd07..d792ec656d 100644
--- a/awx/main/tests/functional/api/test_job_runtime_params.py
+++ b/awx/main/tests/functional/api/test_job_runtime_params.py
@@ -304,7 +304,7 @@ def test_job_launch_with_default_creds(machine_credential, vault_credential, dep
 @pytest.mark.django_db
 def test_job_launch_JT_enforces_unique_credentials_kinds(machine_credential, credentialtype_aws, deploy_jobtemplate):
     """
-    JT launching should require that extra_credentials have distinct CredentialTypes
+    JT launching should require that credentials have distinct CredentialTypes
     """
     creds = []
     for i in range(2):
diff --git a/awx/main/tests/functional/api/test_job_template.py b/awx/main/tests/functional/api/test_job_template.py
index 6ad0271042..1883f6e6ec 100644
--- a/awx/main/tests/functional/api/test_job_template.py
+++ b/awx/main/tests/functional/api/test_job_template.py
@@ -45,27 +45,6 @@ def test_create(post, project, machine_credential, inventory, alice, grant_proje
     )
 
 
-@pytest.mark.django_db
-def test_extra_credential_creation(get, post, organization_factory, job_template_factory, credentialtype_aws):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-
-    url = reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk})
-    response = post(url, {
-        'name': 'My Cred',
-        'credential_type': credentialtype_aws.pk,
-        'inputs': {
-            'username': 'bob',
-            'password': 'secret',
-        }
-    }, objs.superusers.admin)
-    assert response.status_code == 201
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 1
-
-
 @pytest.mark.django_db
 @pytest.mark.parametrize('kind', ['scm', 'insights'])
 def test_invalid_credential_kind_xfail(get, post, organization_factory, job_template_factory, kind):
@@ -87,42 +66,6 @@ def test_invalid_credential_kind_xfail(get, post, organization_factory, job_temp
     assert 'Cannot assign a Credential of kind `{}`.'.format(kind) in response.data.values()
 
 
-@pytest.mark.django_db
-def test_extra_credential_unique_type_xfail(get, post, organization_factory, job_template_factory, credentialtype_aws):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-
-    url = reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk})
-    response = post(url, {
-        'name': 'My Cred',
-        'credential_type': credentialtype_aws.pk,
-        'inputs': {
-            'username': 'bob',
-            'password': 'secret',
-        }
-    }, objs.superusers.admin)
-    assert response.status_code == 201
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 1
-
-    # this request should fail because you can't assign the same type (aws)
-    # twice
-    response = post(url, {
-        'name': 'My Cred',
-        'credential_type': credentialtype_aws.pk,
-        'inputs': {
-            'username': 'joe',
-            'password': 'another-secret',
-        }
-    }, objs.superusers.admin)
-    assert response.status_code == 400
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 1
-
-
 @pytest.mark.django_db
 def test_create_with_forks_exceeding_maximum_xfail(alice, post, project, inventory, settings):
     project.use_role.members.add(alice)
@@ -143,60 +86,6 @@ def test_create_with_forks_exceeding_maximum_xfail(alice, post, project, invento
     assert 'Maximum number of forks (10) exceeded' in str(response.data)
 
 
-@pytest.mark.django_db
-def test_attach_extra_credential(get, post, organization_factory, job_template_factory, credential):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-
-    url = reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk})
-    response = post(url, {
-        'associate': True,
-        'id': credential.id,
-    }, objs.superusers.admin)
-    assert response.status_code == 204
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 1
-
-
-@pytest.mark.django_db
-def test_detach_extra_credential(get, post, organization_factory, job_template_factory, credential):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-    jt.credentials.add(credential)
-    jt.save()
-
-    url = reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk})
-    response = post(url, {
-        'disassociate': True,
-        'id': credential.id,
-    }, objs.superusers.admin)
-    assert response.status_code == 204
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 0
-
-
-@pytest.mark.django_db
-def test_attach_extra_credential_wrong_kind_xfail(get, post, organization_factory, job_template_factory, machine_credential):
-    """Extra credentials only allow net + cloud credentials"""
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-
-    url = reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk})
-    response = post(url, {
-        'associate': True,
-        'id': machine_credential.id,
-    }, objs.superusers.admin)
-    assert response.status_code == 400
-
-    response = get(url, user=objs.superusers.admin)
-    assert response.data.get('count') == 0
-
-
 @pytest.mark.django_db
 @pytest.mark.parametrize(
     "grant_project, grant_inventory, expect", [
@@ -368,57 +257,6 @@ def test_launch_with_pending_deletion_inventory_workflow(get, post, organization
     assert resp.data['inventory'] == ['The inventory associated with this Workflow is being deleted.']
 
 
-@pytest.mark.django_db
-def test_launch_with_extra_credentials(get, post, organization_factory,
-                                       job_template_factory, machine_credential,
-                                       credential, net_credential):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-    jt.ask_credential_on_launch = True
-    jt.save()
-
-    resp = post(
-        reverse('api:job_template_launch', kwargs={'pk': jt.pk}),
-        dict(
-            credentials=[machine_credential.pk, credential.pk, net_credential.pk]
-        ),
-        objs.superusers.admin, expect=201
-    )
-    job_pk = resp.data.get('id')
-
-    resp = get(reverse('api:job_extra_credentials_list', kwargs={'pk': job_pk}), objs.superusers.admin)
-    assert resp.data.get('count') == 2
-
-    resp = get(reverse('api:job_template_extra_credentials_list', kwargs={'pk': jt.pk}), objs.superusers.admin)
-    assert resp.data.get('count') == 0
-
-
-@pytest.mark.django_db
-def test_launch_with_extra_credentials_not_allowed(get, post, organization_factory,
-                                                   job_template_factory, machine_credential,
-                                                   credential, net_credential):
-    objs = organization_factory("org", superusers=['admin'])
-    jt = job_template_factory("jt", organization=objs.organization,
-                              inventory='test_inv', project='test_proj').job_template
-    jt.credentials.add(machine_credential)
-    jt.ask_credential_on_launch = False
-    jt.save()
-
-    resp = post(
-        reverse('api:job_template_launch', kwargs={'pk': jt.pk}),
-        dict(
-            credentials=[machine_credential.pk, credential.pk, net_credential.pk]
-        ),
-        objs.superusers.admin
-    )
-    assert 'credentials' in resp.data['ignored_fields'].keys()
-    job_pk = resp.data.get('id')
-
-    resp = get(reverse('api:job_extra_credentials_list', kwargs={'pk': job_pk}), objs.superusers.admin)
-    assert resp.data.get('count') == 0
-
-
 @pytest.mark.django_db
 def test_jt_without_project(inventory):
     data = dict(name="Test", job_type="run",
diff --git a/awx/main/tests/functional/test_rbac_job_templates.py b/awx/main/tests/functional/test_rbac_job_templates.py
index 0cbd8bcbc6..99dc1e22ce 100644
--- a/awx/main/tests/functional/test_rbac_job_templates.py
+++ b/awx/main/tests/functional/test_rbac_job_templates.py
@@ -128,7 +128,7 @@ def test_job_template_access_admin(role_names, jt_linked, rando):
 
 
 @pytest.mark.django_db
-def test_job_template_extra_credentials_prompts_access(
+def test_job_template_credentials_prompts_access(
         rando, post, inventory, project, machine_credential, vault_credential):
     jt = JobTemplate.objects.create(
         name = 'test-jt',
@@ -149,14 +149,14 @@ def test_job_template_extra_credentials_prompts_access(
 @pytest.mark.django_db
 class TestJobTemplateCredentials:
 
-    def test_job_template_cannot_add_extra_credentials(self, job_template, credential, rando):
+    def test_job_template_cannot_add_credentials(self, job_template, credential, rando):
         job_template.admin_role.members.add(rando)
         credential.read_role.members.add(rando)
         # without permission to credential, user can not attach it
         assert not JobTemplateAccess(rando).can_attach(
             job_template, credential, 'credentials', {})
 
-    def test_job_template_can_add_extra_credentials(self, job_template, credential, rando):
+    def test_job_template_can_add_credentials(self, job_template, credential, rando):
         job_template.admin_role.members.add(rando)
         credential.use_role.members.add(rando)
         # user has permission to apply credential
diff --git a/awx/ui/client/src/job-submission/job-submission-factories/launchjob.factory.js b/awx/ui/client/src/job-submission/job-submission-factories/launchjob.factory.js
index b12f417ba5..e8c6553241 100644
--- a/awx/ui/client/src/job-submission/job-submission-factories/launchjob.factory.js
+++ b/awx/ui/client/src/job-submission/job-submission-factories/launchjob.factory.js
@@ -123,9 +123,9 @@ export default
                         if(!Empty(scope.selected_credentials.machine)) {
                             job_launch_data.credential_id = scope.selected_credentials.machine.id;
                         }
-                        job_launch_data.extra_credentials = [];
+                        job_launch_data.credentials = [];
                         scope.selected_credentials.extra.forEach((extraCredential) => {
-                            job_launch_data.extra_credentials.push(extraCredential.id);
+                            job_launch_data.credentials.push(extraCredential.id);
                         });
                     }
 
diff --git a/awx/ui_next/src/components/PromptDetail/data.job_template.json b/awx/ui_next/src/components/PromptDetail/data.job_template.json
index 0f29f134d2..4a3653f842 100644
--- a/awx/ui_next/src/components/PromptDetail/data.job_template.json
+++ b/awx/ui_next/src/components/PromptDetail/data.job_template.json
@@ -9,7 +9,6 @@
       "labels": "/api/v2/job_templates/7/labels/",
       "inventory": "/api/v2/inventories/1/",
       "project": "/api/v2/projects/6/",
-      "extra_credentials": "/api/v2/job_templates/7/extra_credentials/",
       "credentials": "/api/v2/job_templates/7/credentials/",
       "last_job": "/api/v2/jobs/12/",
       "jobs": "/api/v2/job_templates/7/jobs/",
@@ -143,7 +142,6 @@
               "type": "job"
           }
       ],
-      "extra_credentials": [],
       "credentials": [
         {
           "id": 1, "kind": "ssh" , "name": "Credential 1"
@@ -195,4 +193,4 @@
   "job_slice_count": 1,
   "webhook_service": "github",
   "webhook_credential": 8
-}
\ No newline at end of file
+}
diff --git a/awx/ui_next/src/screens/Job/shared/data.job.json b/awx/ui_next/src/screens/Job/shared/data.job.json
index cc6d37b750..8bebbbda67 100644
--- a/awx/ui_next/src/screens/Job/shared/data.job.json
+++ b/awx/ui_next/src/screens/Job/shared/data.job.json
@@ -7,7 +7,6 @@
       "labels": "/api/v2/jobs/2/labels/",
       "inventory": "/api/v2/inventories/1/",
       "project": "/api/v2/projects/6/",
-      "extra_credentials": "/api/v2/jobs/2/extra_credentials/",
       "credentials": "/api/v2/jobs/2/credentials/",
       "unified_job_template": "/api/v2/job_templates/7/",
       "stdout": "/api/v2/jobs/2/stdout/",
@@ -80,7 +79,6 @@
           "count": 0,
           "results": []
       },
-      "extra_credentials": [],
       "credentials": [
           {
               "id": 1,
diff --git a/awx/ui_next/src/screens/Template/shared/data.job_template.json b/awx/ui_next/src/screens/Template/shared/data.job_template.json
index 6f1caa3e3f..4d0cdb6aae 100644
--- a/awx/ui_next/src/screens/Template/shared/data.job_template.json
+++ b/awx/ui_next/src/screens/Template/shared/data.job_template.json
@@ -9,7 +9,6 @@
         "labels": "/api/v2/job_templates/7/labels/",
         "inventory": "/api/v2/inventories/1/",
         "project": "/api/v2/projects/6/",
-        "extra_credentials": "/api/v2/job_templates/7/extra_credentials/",
         "credentials": "/api/v2/job_templates/7/credentials/",
         "last_job": "/api/v2/jobs/12/",
         "jobs": "/api/v2/job_templates/7/jobs/",
@@ -118,7 +117,6 @@
             "finished": "2019-10-01T14:34:35.142483Z",
             "type": "job"
         }],
-        "extra_credentials": [],
         "credentials": [{
                 "id": 1,
                 "kind": "ssh",
diff --git a/awxkit/awxkit/api/pages/credentials.py b/awxkit/awxkit/api/pages/credentials.py
index 2ef8a7c05c..8a5e7e0eca 100644
--- a/awxkit/awxkit/api/pages/credentials.py
+++ b/awxkit/awxkit/api/pages/credentials.py
@@ -362,9 +362,7 @@ class Credentials(page.PageList, Credential):
 
 
 page.register_page([resources.credentials,
-                    resources.related_credentials,
-                    resources.job_extra_credentials,
-                    resources.job_template_extra_credentials],
+                    resources.related_credentials],
                    Credentials)
 
 
diff --git a/awxkit/awxkit/api/pages/job_templates.py b/awxkit/awxkit/api/pages/job_templates.py
index 929383fd55..ad59bfb742 100644
--- a/awxkit/awxkit/api/pages/job_templates.py
+++ b/awxkit/awxkit/api/pages/job_templates.py
@@ -189,16 +189,6 @@ class JobTemplate(
                     dict(id=kwargs['vault_credential']))
         return ret
 
-    def add_extra_credential(self, credential):
-        with suppress(exc.NoContent):
-            self.related.extra_credentials.post(
-                dict(id=credential.id, associate=True))
-
-    def remove_extra_credential(self, credential):
-        with suppress(exc.NoContent):
-            self.related.extra_credentials.post(
-                dict(id=credential.id, disassociate=True))
-
     def add_credential(self, credential):
         with suppress(exc.NoContent):
             self.related.credentials.post(
diff --git a/awxkit/awxkit/api/resources.py b/awxkit/awxkit/api/resources.py
index 31b671df68..25995188f9 100644
--- a/awxkit/awxkit/api/resources.py
+++ b/awxkit/awxkit/api/resources.py
@@ -88,7 +88,6 @@ class Resources(object):
     _job_event = r'job_events/\d+/'
     _job_event_children = r'job_events/\d+/children/'
     _job_events = 'job_events/'
-    _job_extra_credentials = _job + 'extra_credentials/'
     _job_host_summaries = r'jobs/\d+/job_host_summaries/'
     _job_host_summary = r'job_host_summaries/\d+/'
     _job_job_event = r'jobs/\d+/job_events/\d+/'
@@ -105,7 +104,6 @@ class Resources(object):
     _job_template_access_list = r'job_templates/\d+/access_list/'
     _job_template_callback = r'job_templates/\d+/callback/'
     _job_template_copy = r'job_templates/\d+/copy/'
-    _job_template_extra_credentials = _job_template + 'extra_credentials/'
     _job_template_jobs = r'job_templates/\d+/jobs/'
     _job_template_labels = r'job_templates/\d+/labels/'
     _job_template_launch = r'job_templates/\d+/launch/'
diff --git a/docs/credentials/custom_credential_types.md b/docs/credentials/custom_credential_types.md
index 238dad12ba..630db24b30 100644
--- a/docs/credentials/custom_credential_types.md
+++ b/docs/credentials/custom_credential_types.md
@@ -37,7 +37,7 @@ Important Changes
   two OpenStack credentials.
 
 * In the same manner as "promptable SSH credentials", when
-  ``ask_credential_on_launch = true``, ``JobTemplate.extra_credentials`` can be
+  ``ask_credential_on_launch = true``, ``JobTemplate.credentials`` can be
   specified in the launch payload.
 
 * Custom inventory sources can now utilize a ``Credential``; you
@@ -221,9 +221,9 @@ API resources in `/api/v2/` now have two credential related fields:
       ...
     }
 
-...and a new endpoint for fetching all "extra" credentials:
+...and a new endpoint for fetching all credentials:
 
-    HTTP GET /api/v2/job_templates/N/extra_credentials/
+    HTTP GET /api/v2/job_templates/N/credentials/
 
     {
         'count': N,
@@ -239,21 +239,21 @@ Similar to other list attachment/detachment API views, cloud and network
 credentials can be created and attached via an `HTTP POST` at this new
 endpoint:
 
-    HTTP POST /api/v2/job_templates/N/extra_credentials/
+    HTTP POST /api/v2/job_templates/N/credentials/
 
     {
         'id': <cloud_credential_primary_key>,
         'associate': True,
     }
 
-    HTTP POST /api/v2/job_templates/N/extra_credentials/
+    HTTP POST /api/v2/job_templates/N/credentials/
 
     {
         'id': <network_credential_primary_key>,
         'disassociate': True,
     }
 
-    HTTP POST /api/v2/job_templates/N/extra_credentials/
+    HTTP POST /api/v2/job_templates/N/credentials/
 
     {
         'name': 'My Credential',
diff --git a/docs/prompting.md b/docs/prompting.md
index c2f2f49b59..5f2d998022 100644
--- a/docs/prompting.md
+++ b/docs/prompting.md
@@ -283,7 +283,3 @@ of what happened.
    - Job template has machine & cloud credentials, set to prompt for credential on launch
    - Schedule for job template provides no credentials
    - Spawned job still uses all job template credentials
-
-**Credentials Deprecated Behavior**
-   - Manual launch providing `"extra_credentials": []` should launch with no job credentials
-   - Such jobs cannot have schedules created from them