diff --git a/lib/firefly.ts b/lib/firefly.ts
index f977a5f..01dde76 100644
--- a/lib/firefly.ts
+++ b/lib/firefly.ts
@@ -344,6 +344,10 @@ export default class FireFly extends HttpBase {
     return this.getOne<FireFlyTokenPoolResponse>(`/tokens/pools/${nameOrId}`, options);
   }
 
+  async deleteTokenPool(nameOrId: string, options?: FireFlyDeleteOptions) {
+    await this.deleteOne(`/tokens/pools/${nameOrId}`, options);
+  }
+
   mintTokens(transfer: FireFlyTokenMintRequest, options?: FireFlyCreateOptions) {
     return this.createOne<FireFlyTokenTransferResponse>('/tokens/mint', transfer, options);
   }
diff --git a/lib/interfaces.ts b/lib/interfaces.ts
index 0438aa5..e55aee9 100644
--- a/lib/interfaces.ts
+++ b/lib/interfaces.ts
@@ -171,7 +171,8 @@ export interface FireFlyEnrichedEvent extends FireFlyEventResponse {
   operation?: FireFlyOperationResponse;
 }
 
-export interface FireFlyEventDelivery extends FireFlyEnrichedEvent {
+export interface FireFlyEventDelivery extends Omit<FireFlyEnrichedEvent, 'type'> {
+  type: FireFlyEnrichedEvent['type'] | 'protocol_error';
   subscription: {
     id: string;
     name: string;