diff --git a/plugins/explore/api-report.md b/plugins/explore/api-report.md
index d184ce01a4..d10f5ddf95 100644
--- a/plugins/explore/api-report.md
+++ b/plugins/explore/api-report.md
@@ -9,7 +9,6 @@ import { ApiRef } from '@backstage/core-plugin-api';
 import { BackstagePlugin } from '@backstage/core-plugin-api';
 import { default as default_2 } from 'react';
 import { DiscoveryApi } from '@backstage/core-plugin-api';
-import { DomainEntity } from '@backstage/catalog-model';
 import { ExploreToolsConfig } from '@backstage/plugin-explore-react';
 import { ExternalRouteRef } from '@backstage/core-plugin-api';
 import { FetchApi } from '@backstage/core-plugin-api';
@@ -31,9 +30,6 @@ export const catalogEntityRouteRef: ExternalRouteRef<
   true
 >;
 
-// @public (undocumented)
-export const DomainCard: (props: { entity: DomainEntity }) => JSX.Element;
-
 // @public (undocumented)
 export const DomainExplorerContent: (props: {
   title?: string | undefined;
diff --git a/plugins/explore/src/components/DefaultExplorePage/DefaultExplorePage.test.tsx b/plugins/explore/src/components/DefaultExplorePage/DefaultExplorePage.test.tsx
index 62d197803f..f2533dbc40 100644
--- a/plugins/explore/src/components/DefaultExplorePage/DefaultExplorePage.test.tsx
+++ b/plugins/explore/src/components/DefaultExplorePage/DefaultExplorePage.test.tsx
@@ -56,8 +56,9 @@ describe('<DefaultExplorePage />', () => {
 
     await waitFor(() => {
       const elements = getAllByRole('tab');
-      expect(elements.length).toBe(3);
+      expect(elements.length).toBe(4);
       expect(getByText(elements[0], 'Domains')).toBeInTheDocument();
+      expect(getByText(elements[1], 'Systems')).toBeInTheDocument();
       expect(getByText(elements[1], 'Groups')).toBeInTheDocument();
       expect(getByText(elements[2], 'Tools')).toBeInTheDocument();
     });
diff --git a/plugins/explore/src/components/index.ts b/plugins/explore/src/components/index.ts
index 96175770fa..4cee9f7143 100644
--- a/plugins/explore/src/components/index.ts
+++ b/plugins/explore/src/components/index.ts
@@ -14,5 +14,6 @@
  * limitations under the License.
  */
 
+export * from './EntityExplorerContent';
 export * from './ExploreLayout';
 export * from './ToolSearchResultListItem';