diff --git a/packages/backend/src/core/UtilityService.ts b/packages/backend/src/core/UtilityService.ts
index d2e1835038..3098367392 100644
--- a/packages/backend/src/core/UtilityService.ts
+++ b/packages/backend/src/core/UtilityService.ts
@@ -94,15 +94,6 @@ export class UtilityService {
 		return this.meta.bubbleInstances.some(x => `.${host.toLowerCase()}`.endsWith(`.${x}`));
 	}
 
-	@bindThis
-	public isBubbledHost(host: string | null): boolean {
-		if (host == null) return false;
-
-		// TODO remove null conditional after merging lab/persisted-instance-blocks
-		// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
-		return this.meta.bubbleInstances?.includes(host);
-	}
-
 	@bindThis
 	public concatNoteContentsForKeyWordCheck(content: {
 		cw?: string | null;