diff --git a/packages/taler-util/src/walletTypes.ts b/packages/taler-util/src/walletTypes.ts
index 006140070..10dbf75eb 100644
--- a/packages/taler-util/src/walletTypes.ts
+++ b/packages/taler-util/src/walletTypes.ts
@@ -68,8 +68,6 @@ export class CreateReserveResponse {
   reservePub: string;
 }
 
-
-
 export interface Balance {
   available: AmountString;
   pendingIncoming: AmountString;
@@ -949,4 +947,9 @@ export interface WalletCurrencyInfo {
 
 export interface DeleteTransactionRequest {
   transactionId: string;
-}
\ No newline at end of file
+}
+
+export const codecForDeleteTransactionRequest = (): Codec<DeleteTransactionRequest> =>
+  buildCodecForObject<DeleteTransactionRequest>()
+    .property("transactionId", codecForString())
+    .build("DeleteTransactionRequest");
diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index c380786ab..317d81ceb 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -25,6 +25,7 @@
 import {
   BackupRecovery,
   codecForAny,
+  codecForDeleteTransactionRequest,
   DeleteTransactionRequest,
   TalerErrorCode,
   WalletCurrencyInfo,
@@ -1191,9 +1192,15 @@ export class Wallet {
         const req = codecForCreateDepositGroupRequest().decode(payload);
         return await createDepositGroup(this.ws, req);
       }
-      case "trackDepositGroup":
+      case "trackDepositGroup": {
         const req = codecForTrackDepositGroupRequest().decode(payload);
         return trackDepositGroup(this.ws, req);
+      }
+      case "deleteTransaction": {
+        const req = codecForDeleteTransactionRequest().decode(payload);
+        await deleteTransaction(this.ws, req.transactionId);
+        return {};
+      }
     }
     throw OperationFailedError.fromCode(
       TalerErrorCode.WALLET_CORE_API_OPERATION_UNKNOWN,