diff --git a/packages/hdwallet-keepkey/src/mayachain.ts b/packages/hdwallet-keepkey/src/mayachain.ts
index d4f160597..0f518afdf 100644
--- a/packages/hdwallet-keepkey/src/mayachain.ts
+++ b/packages/hdwallet-keepkey/src/mayachain.ts
@@ -1,4 +1,4 @@
-import type { AccountData, AminoSignResponse, OfflineAminoSigner, StdSignDoc, StdTx } from "@cosmjs/amino";
+import type { AccountData, AminoSignResponse, OfflineAminoSigner, StdSignDoc } from "@cosmjs/amino";
 import type { SignerData } from "@cosmjs/stargate";
 import * as Messages from "@keepkey/device-protocol/lib/messages_pb";
 import * as MayachainMessages from "@keepkey/device-protocol/lib/messages-mayachain_pb";