diff --git a/plugins/techdocs-addons-test-utils/api-report.md b/plugins/techdocs-addons-test-utils/api-report.md
index 342863beea..a32d2d4854 100644
--- a/plugins/techdocs-addons-test-utils/api-report.md
+++ b/plugins/techdocs-addons-test-utils/api-report.md
@@ -36,12 +36,4 @@ export class TechDocsAddonTester {
   // (undocumented)
   withMetadata(metadata: Partial<TechDocsMetadata>): this;
 }
-
-// @public (undocumented)
-export type TechdocsAddonTesterApis<T> = TechDocsAddonTesterTestApiPair<T>[];
-
-// @public (undocumented)
-export type TechDocsAddonTesterTestApiPair<TApi> = TApi extends infer TImpl
-  ? readonly [ApiRef<TApi>, Partial<TImpl>]
-  : never;
 ```
diff --git a/plugins/techdocs-addons-test-utils/src/test-utils.tsx b/plugins/techdocs-addons-test-utils/src/test-utils.tsx
index 9082aadc13..a2d6cafcb1 100644
--- a/plugins/techdocs-addons-test-utils/src/test-utils.tsx
+++ b/plugins/techdocs-addons-test-utils/src/test-utils.tsx
@@ -53,17 +53,13 @@ const searchApi = {
   query: jest.fn().mockResolvedValue({ results: [] }),
 };
 
-/**
- * @public
- */
-export type TechDocsAddonTesterTestApiPair<TApi> = TApi extends infer TImpl
+/** @ignore */
+type TechDocsAddonTesterTestApiPair<TApi> = TApi extends infer TImpl
   ? readonly [ApiRef<TApi>, Partial<TImpl>]
   : never;
 
-/**
- * @public
- */
-export type TechdocsAddonTesterApis<T> = TechDocsAddonTesterTestApiPair<T>[];
+/** @ignore */
+type TechdocsAddonTesterApis<T> = TechDocsAddonTesterTestApiPair<T>[];
 
 type TechDocsAddonTesterOptions = {
   dom: ReactElement;