diff --git a/atst/routes/portfolios/admin.py b/atst/routes/portfolios/admin.py
index 19666907..66bf5a20 100644
--- a/atst/routes/portfolios/admin.py
+++ b/atst/routes/portfolios/admin.py
@@ -94,34 +94,6 @@ def admin(portfolio_id):
     return render_admin_page(portfolio)
 
 
-@portfolios_bp.route("/portfolios/<portfolio_id>/admin", methods=["POST"])
-@user_can(Permissions.EDIT_PORTFOLIO_USERS, message="view portfolio admin page")
-def edit_members(portfolio_id):
-    portfolio = Portfolios.get_for_update(portfolio_id)
-    member_perms_form = member_forms.MembersPermissionsForm(http_request.form)
-
-    if member_perms_form.validate():
-        for subform in member_perms_form.members_permissions:
-            member_id = subform.member_id.data
-            member = PortfolioRoles.get_by_id(member_id)
-            if member is not portfolio.owner_role:
-                new_perm_set = subform.data["permission_sets"]
-                PortfolioRoles.update(member, new_perm_set)
-
-        flash("update_portfolio_members", portfolio=portfolio)
-
-        return redirect(
-            url_for(
-                "portfolios.admin",
-                portfolio_id=portfolio_id,
-                fragment="portfolio-members",
-                _anchor="portfolio-members",
-            )
-        )
-    else:
-        return render_admin_page(portfolio)
-
-
 @portfolios_bp.route("/portfolios/<portfolio_id>/update_ppoc", methods=["POST"])
 @user_can(Permissions.EDIT_PORTFOLIO_POC, message="update portfolio ppoc")
 def update_ppoc(portfolio_id):
diff --git a/tests/routes/portfolios/test_admin.py b/tests/routes/portfolios/test_admin.py
index 95b37be2..65d0f5d1 100644
--- a/tests/routes/portfolios/test_admin.py
+++ b/tests/routes/portfolios/test_admin.py
@@ -34,138 +34,6 @@ def test_member_table_access(client, user_session):
     assert "<select" not in view_resp.data.decode()
 
 
-def test_update_member_permissions(client, user_session):
-    portfolio = PortfolioFactory.create()
-    rando = UserFactory.create()
-    rando_pf_role = PortfolioRoleFactory.create(
-        user=rando,
-        portfolio=portfolio,
-        permission_sets=[PermissionSets.get(PermissionSets.VIEW_PORTFOLIO_ADMIN)],
-    )
-
-    user = UserFactory.create()
-    PortfolioRoleFactory.create(
-        user=user,
-        portfolio=portfolio,
-        permission_sets=PermissionSets.get_many(
-            [PermissionSets.EDIT_PORTFOLIO_ADMIN, PermissionSets.VIEW_PORTFOLIO_ADMIN]
-        ),
-    )
-    user_session(user)
-
-    form_data = {
-        "members_permissions-0-member_id": rando_pf_role.id,
-        "members_permissions-0-perms_app_mgmt": "edit_portfolio_application_management",
-        "members_permissions-0-perms_funding": "view_portfolio_funding",
-        "members_permissions-0-perms_reporting": "view_portfolio_reports",
-        "members_permissions-0-perms_portfolio_mgmt": "view_portfolio_admin",
-    }
-
-    response = client.post(
-        url_for("portfolios.edit_members", portfolio_id=portfolio.id),
-        data=form_data,
-        follow_redirects=True,
-    )
-
-    assert response.status_code == 200
-    assert rando_pf_role.has_permission_set(
-        PermissionSets.EDIT_PORTFOLIO_APPLICATION_MANAGEMENT
-    )
-
-
-def test_no_update_member_permissions_without_edit_access(client, user_session):
-    portfolio = PortfolioFactory.create()
-    rando = UserFactory.create()
-    rando_pf_role = PortfolioRoleFactory.create(
-        user=rando,
-        portfolio=portfolio,
-        permission_sets=[PermissionSets.get(PermissionSets.VIEW_PORTFOLIO_ADMIN)],
-    )
-
-    user = UserFactory.create()
-    PortfolioRoleFactory.create(
-        user=user,
-        portfolio=portfolio,
-        permission_sets=[PermissionSets.get(PermissionSets.VIEW_PORTFOLIO_ADMIN)],
-    )
-    user_session(user)
-
-    form_data = {
-        "members_permissions-0-member_id": rando_pf_role.id,
-        "members_permissions-0-perms_app_mgmt": "edit_portfolio_application_management",
-        "members_permissions-0-perms_funding": "view_portfolio_funding",
-        "members_permissions-0-perms_reporting": "view_portfolio_reports",
-        "members_permissions-0-perms_portfolio_mgmt": "view_portfolio_admin",
-    }
-
-    response = client.post(
-        url_for("portfolios.edit_members", portfolio_id=portfolio.id),
-        data=form_data,
-        follow_redirects=True,
-    )
-
-    assert response.status_code == 404
-    assert not rando_pf_role.has_permission_set(
-        PermissionSets.EDIT_PORTFOLIO_APPLICATION_MANAGEMENT
-    )
-
-
-def test_rerender_admin_page_if_member_perms_form_does_not_validate(
-    client, user_session, monkeypatch
-):
-    portfolio = PortfolioFactory.create()
-    user = UserFactory.create()
-    role = PortfolioRoleFactory.create(
-        user=user,
-        portfolio=portfolio,
-        permission_sets=[PermissionSets.get(PermissionSets.EDIT_PORTFOLIO_ADMIN)],
-    )
-    user_session(user)
-    form_data = {
-        "members_permissions-0-member_id": role.id,
-        "members_permissions-0-perms_app_mgmt": "bad input",
-        "members_permissions-0-perms_funding": "view_portfolio_funding",
-        "members_permissions-0-perms_reporting": "view_portfolio_reports",
-        "members_permissions-0-perms_portfolio_mgmt": "view_portfolio_admin",
-    }
-
-    mock_route = MagicMock(return_value=("", 200, {}))
-    monkeypatch.setattr("atst.routes.portfolios.admin.render_admin_page", mock_route)
-    client.post(
-        url_for("portfolios.edit_members", portfolio_id=portfolio.id), data=form_data
-    )
-    mock_route.assert_called()
-
-
-def test_cannot_update_portfolio_ppoc_perms(client, user_session):
-    portfolio = PortfolioFactory.create()
-    ppoc = portfolio.owner
-    ppoc_pf_role = PortfolioRoles.get(portfolio_id=portfolio.id, user_id=ppoc.id)
-    user = UserFactory.create()
-    PortfolioRoleFactory.create(portfolio=portfolio, user=user)
-
-    user_session(user)
-
-    assert ppoc_pf_role.has_permission_set(PermissionSets.PORTFOLIO_POC)
-
-    member_perms_data = {
-        "members_permissions-0-member_id": ppoc_pf_role.id,
-        "members_permissions-0-perms_app_mgmt": "view_portfolio_application_management",
-        "members_permissions-0-perms_funding": "view_portfolio_funding",
-        "members_permissions-0-perms_reporting": "view_portfolio_reports",
-        "members_permissions-0-perms_portfolio_mgmt": "view_portfolio_admin",
-    }
-
-    response = client.post(
-        url_for("portfolios.edit_members", portfolio_id=portfolio.id),
-        data=member_perms_data,
-        follow_redirects=True,
-    )
-
-    assert response.status_code == 404
-    assert ppoc_pf_role.has_permission_set(PermissionSets.PORTFOLIO_POC)
-
-
 def test_update_portfolio_name_and_description(client, user_session):
     portfolio = PortfolioFactory.create()
     user_session(portfolio.owner)