diff --git a/packages/orchestration/src/utils/start-helper.js b/packages/orchestration/src/utils/start-helper.js
index 4cabfed1e30..d66700df50b 100644
--- a/packages/orchestration/src/utils/start-helper.js
+++ b/packages/orchestration/src/utils/start-helper.js
@@ -10,7 +10,7 @@ import { prepareOrchestrator } from '../exos/orchestrator.js';
 import { prepareRemoteChainFacade } from '../exos/remote-chain-facade.js';
 import { makeOrchestrationFacade } from '../facade.js';
 import { makeZoeTools } from './zoe-tools.js';
-import { makeZcfTools } from '../exos/zcf-tools.js';
+import { makeZcfTools } from './zcf-tools.js';
 
 /**
  * @import {LocalChain} from '@agoric/vats/src/localchain.js';
diff --git a/packages/orchestration/src/exos/zcf-tools.js b/packages/orchestration/src/utils/zcf-tools.js
similarity index 81%
rename from packages/orchestration/src/exos/zcf-tools.js
rename to packages/orchestration/src/utils/zcf-tools.js
index 75458857297..9cb677ca720 100644
--- a/packages/orchestration/src/exos/zcf-tools.js
+++ b/packages/orchestration/src/utils/zcf-tools.js
@@ -9,18 +9,6 @@ import { VowShape } from '@agoric/vow';
 
 import { M } from '@endo/patterns';
 
-export const ZcfToolsI = M.interface(
-  'ZCF',
-  {
-    makeInvitation: M.call(M.remotable('OfferHandler'), M.string())
-      .optional(M.record(), M.pattern())
-      .returns(VowShape),
-  },
-  {
-    defaultGuards: 'passable',
-  },
-);
-
 /**
  * @param {ZCF} zcf
  * @param {VowTools} vowTools
diff --git a/packages/orchestration/test/exos/zcf-tools.test.ts b/packages/orchestration/test/utils/zcf-tools.test.ts
similarity index 97%
rename from packages/orchestration/test/exos/zcf-tools.test.ts
rename to packages/orchestration/test/utils/zcf-tools.test.ts
index b81267af899..61f699233f8 100644
--- a/packages/orchestration/test/exos/zcf-tools.test.ts
+++ b/packages/orchestration/test/utils/zcf-tools.test.ts
@@ -8,7 +8,7 @@ import { makeNodeBundleCache } from '@endo/bundle-source/cache.js';
 import { E, Far } from '@endo/far';
 import type { TestFn } from 'ava';
 import { createRequire } from 'node:module';
-import { makeZcfTools } from '../../src/exos/zcf-tools.js';
+import { makeZcfTools } from '../../src/utils/zcf-tools.js';
 import { provideDurableZone } from '../supports.js';
 
 const nodeRequire = createRequire(import.meta.url);