diff --git a/packages/backend/src/core/entities/NoteEntityService.ts b/packages/backend/src/core/entities/NoteEntityService.ts
index dca73567cc..a37284316b 100644
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@@ -128,7 +128,7 @@ export class NoteEntityService implements OnModuleInit {
 	}
 
 	@bindThis
-	private async hideNote(packedNote: Packed<'Note'>, meId: MiUser['id'] | null): Promise<void> {
+	public async hideNote(packedNote: Packed<'Note'>, meId: MiUser['id'] | null): Promise<void> {
 		if (meId === packedNote.userId) return;
 
 		// TODO: isVisibleForMe を使うようにしても良さそう(型違うけど)