diff --git a/packages/inter-protocol/src/my-lien.js b/packages/inter-protocol/src/my-lien.js
index a3d50eec5c7a..aadb9d2d52b5 100644
--- a/packages/inter-protocol/src/my-lien.js
+++ b/packages/inter-protocol/src/my-lien.js
@@ -21,7 +21,7 @@ const XLien = /** @type { const } */ ({
  */
 
 /**
- * @param {ERef<BridgeManager>} bridgeManager
+ * @param {ERef<import('@agoric/vats').BridgeManager>} bridgeManager
  * @param {Brand<'nat'>} brand
  * @param {string} [denom]
  * @returns {StakingAuthority}
diff --git a/packages/smart-wallet/src/walletFactory.js b/packages/smart-wallet/src/walletFactory.js
index 79b705f521e3..b69f731be1a0 100644
--- a/packages/smart-wallet/src/walletFactory.js
+++ b/packages/smart-wallet/src/walletFactory.js
@@ -60,7 +60,7 @@ export const publishDepositFacet = async (
  * @param {ZCF<SmartWalletContractTerms>} zcf
  * @param {{
  *   storageNode: ERef<StorageNode>,
- *   bridgeManager?: ERef<import('@agoric/vats/src/bridge.js').BridgeManager>,
+ *   bridgeManager?: ERef<import('@agoric/vats').BridgeManager>,
  * }} privateArgs
  */
 export const start = async (zcf, privateArgs) => {
diff --git a/packages/smart-wallet/test/supports.js b/packages/smart-wallet/test/supports.js
index 8189af7bea04..8f62ebc4f318 100644
--- a/packages/smart-wallet/test/supports.js
+++ b/packages/smart-wallet/test/supports.js
@@ -84,9 +84,9 @@ const setUpZoeForTest = async () => {
 harden(setUpZoeForTest);
 
 const makeFakeBridgeManager = () => {
-  /** @type {Record<string, ERef<import('@agoric/vats/src/bridge').BridgeHandler>>} */
+  /** @type {Record<string, ERef<import('@agoric/vats').BridgeHandler>>} */
   const handlers = {};
-  /** @type {import('@agoric/vats/src/bridge').BridgeManager} */
+  /** @type {import('@agoric/vats').BridgeManager} */
   const manager = {
     register(srcID, handler) {
       handlers[srcID] = handler;
diff --git a/packages/vats/src/core/chain-behaviors.js b/packages/vats/src/core/chain-behaviors.js
index 9ec7b027f5d4..68ad51967bed 100644
--- a/packages/vats/src/core/chain-behaviors.js
+++ b/packages/vats/src/core/chain-behaviors.js
@@ -362,7 +362,7 @@ harden(connectChainFaucet);
 
 /**
  * @param {SoloVats | NetVats} vats
- * @param {OptionalBridgeManager} dibcBridgeManager
+ * @param {import('../bridge.js').BridgeManager=} dibcBridgeManager
  */
 export const registerNetworkProtocols = async (vats, dibcBridgeManager) => {
   const ps = [];
diff --git a/packages/vats/src/core/types.js b/packages/vats/src/core/types.js
index f27f532fda77..1410fb465c04 100644
--- a/packages/vats/src/core/types.js
+++ b/packages/vats/src/core/types.js
@@ -65,11 +65,6 @@
  * }} ChainDevices
  */
 
-/**
- * @typedef {ReturnType<typeof import('../bridge.js').makeBridgeManager>} BridgeManager
- * @typedef {BridgeManager | undefined} OptionalBridgeManager
- */
-
 /**
  * @typedef {{
  *   getChainBundle: () => unknown,