diff --git a/plugins/permission-common/api-report.md b/plugins/permission-common/api-report.md
index 8ac9559861..db05766dc0 100644
--- a/plugins/permission-common/api-report.md
+++ b/plugins/permission-common/api-report.md
@@ -75,9 +75,6 @@ export function isReadPermission(permission: Permission): boolean;
 // @public
 export function isUpdatePermission(permission: Permission): boolean;
 
-// @public
-export type NonEmptyArray<T> = [T, ...T[]];
-
 // @public
 export type NotCriteria<TQuery> = {
   not: PermissionCriteria<TQuery>;
diff --git a/plugins/permission-common/src/types/api.ts b/plugins/permission-common/src/types/api.ts
index 5d526e0c01..e0ab1f1642 100644
--- a/plugins/permission-common/src/types/api.ts
+++ b/plugins/permission-common/src/types/api.ts
@@ -74,9 +74,9 @@ export type PermissionCondition<TParams extends unknown[] = unknown[]> = {
 
 /**
  * Utility type to represent an array with 1 or more elements.
- * @public
+ * @ignore
  */
-export type NonEmptyArray<T> = [T, ...T[]];
+type NonEmptyArray<T> = [T, ...T[]];
 
 /**
  * Represnts a logical AND for the provided criteria.
diff --git a/plugins/permission-common/src/types/index.ts b/plugins/permission-common/src/types/index.ts
index 28c21ec9f5..fa98de73f1 100644
--- a/plugins/permission-common/src/types/index.ts
+++ b/plugins/permission-common/src/types/index.ts
@@ -26,7 +26,6 @@ export type {
   AllOfCriteria,
   AnyOfCriteria,
   NotCriteria,
-  NonEmptyArray,
 } from './api';
 export type { DiscoveryApi } from './discovery';
 export type {