diff --git a/packages/SwingSet/src/types-ambient.js b/packages/SwingSet/src/types-ambient.js
index 98f67fb9af48..352630af64b4 100644
--- a/packages/SwingSet/src/types-ambient.js
+++ b/packages/SwingSet/src/types-ambient.js
@@ -2,7 +2,7 @@
 
 // XXX all on one line because otherwise tsc puts the `*` in the type name
 /**
- * @import { Bundle, BundleCap, BundleFormat, BundleID, BundleRef, BundleSpec, DeviceInvocation, DeviceInvocationResult, DeviceInvocationResultError, DeviceInvocationResultOk, EndoZipBase64Bundle, GetExportBundle, KernelDeliveryBringOutYourDead, KernelDeliveryChangeVatOptions, KernelDeliveryDropExports, KernelDeliveryMessage, KernelDeliveryNotify, KernelDeliveryObject, KernelDeliveryOneNotify, KernelDeliveryRetireExports, KernelDeliveryRetireImports, KernelDeliveryStartVat, KernelKeeper, KernelOneResolution, KernelOptions, KernelSlog, KernelSyscallDropImports, KernelSyscallExit, KernelSyscallInvoke, KernelSyscallObject, KernelSyscallResolve, KernelSyscallResult, KernelSyscallResultError, KernelSyscallResultOk, KernelSyscallRetireExports, KernelSyscallRetireImports, KernelSyscallSend, KernelSyscallSubscribe, KernelSyscallVatstoreDelete, KernelSyscallVatstoreGet, KernelSyscallVatstoreGetNextKey, KernelSyscallVatstoreSet, ManagerType, Message, MeteringVatPowers, NestedEvaluateBundle, PolicyInput, PolicyInputCrankComplete, PolicyInputCrankFailed, PolicyInputCreateVat, PolicyInputNone, PolicyOutput, ResolutionPolicy, RunPolicy, SlogFinishDelivery, SlogFinishSyscall, SnapshotResult, SnapStore, SourceOfBundle, SourceSpec, StaticVatPowers, SwingSetCapData, SwingSetConfig, SwingSetConfigDescriptor, SwingSetConfigProperties, SwingSetKernelConfig, TerminationVatPowers, VatKeeper, VatPowers, VatSlog, VatStats, WaitUntilQuiescent, XSnap, } from './types-external.js';
+ * @import { Bundle, BundleCap, BundleFormat, BundleID, BundleRef, BundleSpec, DeviceInvocation, DeviceInvocationResult, DeviceInvocationResultError, DeviceInvocationResultOk, EndoZipBase64Bundle, GetExportBundle, KernelDeliveryBringOutYourDead, KernelDeliveryChangeVatOptions, KernelDeliveryDropExports, KernelDeliveryMessage, KernelDeliveryNotify, KernelDeliveryObject, KernelDeliveryOneNotify, KernelDeliveryRetireExports, KernelDeliveryRetireImports, KernelDeliveryStartVat, KernelKeeper, KernelOneResolution, KernelOptions, KernelSlog, KernelSyscallDropImports, KernelSyscallExit, KernelSyscallInvoke, KernelSyscallObject, KernelSyscallResolve, KernelSyscallResult, KernelSyscallResultError, KernelSyscallResultOk, KernelSyscallRetireExports, KernelSyscallRetireImports, KernelSyscallSend, KernelSyscallSubscribe, KernelSyscallVatstoreDelete, KernelSyscallVatstoreGet, KernelSyscallVatstoreGetNextKey, KernelSyscallVatstoreSet, ManagerType, Message, MeteringVatPowers, NestedEvaluateBundle, PolicyInput, PolicyInputCrankComplete, PolicyInputCrankFailed, PolicyInputCreateVat, PolicyInputNone, PolicyOutput, ResolutionPolicy, RunPolicy, SlogFinishDelivery, SlogFinishSyscall, SnapshotResult, SnapStore, SourceOfBundle, SourceSpec, StaticVatPowers, SwingSetCapData, SwingSetConfig, SwingSetConfigDescriptor, SwingSetConfigProperties, SwingSetKernelConfig, TerminationVatPowers, VatAdminSvc, VatKeeper, VatPowers, VatSlog, VatStats, WaitUntilQuiescent, XSnap, } from './types-external.js';
  */
 
 /**
diff --git a/packages/zoe/src/zoeService/types-ambient.js b/packages/zoe/src/zoeService/types-ambient.js
index 8d9b2c863fe7..17d9f7a31e17 100644
--- a/packages/zoe/src/zoeService/types-ambient.js
+++ b/packages/zoe/src/zoeService/types-ambient.js
@@ -274,10 +274,6 @@
  * @typedef {import('./utils.js').Instance<any>} Instance
  */
 
-/**
- * @import {VatAdminSvc} from '@agoric/swingset-vat'
- */
-
 /**
  * @typedef {{bundleCap: import('@agoric/swingset-vat').BundleCap } | {name: string} | {id: BundleID}} ZCFSpec
  */