diff --git a/src/vector/platform/WebPlatform.ts b/src/vector/platform/WebPlatform.ts
index e6cefd20e7..86e7082b1d 100644
--- a/src/vector/platform/WebPlatform.ts
+++ b/src/vector/platform/WebPlatform.ts
@@ -27,7 +27,6 @@ import { logger } from "matrix-js-sdk/src/logger";
 import VectorBasePlatform from "./VectorBasePlatform";
 import { parseQs } from "../url_utils";
 import { _t } from "../../languageHandler";
-import regist = jsrsasign.KJUR.crypto.ECParameterDB.regist;
 
 const POKE_RATE_MS = 10 * 60 * 1000; // 10 min