diff --git a/packages/zoe/test/unitTests/contracts/grifter.js b/packages/zoe/test/unitTests/contracts/grifter.js
deleted file mode 100644
index 7b0f462116e..00000000000
--- a/packages/zoe/test/unitTests/contracts/grifter.js
+++ /dev/null
@@ -1,49 +0,0 @@
-// @ts-check
-
-// Eventually will be importable from '@agoric/zoe-contract-support'
-import {
-  assertIssuerKeywords,
-  assertProposalShape,
-} from '../../../src/contractSupport';
-
-/**
- * @type {ContractStartFn}
- */
-const start = zcf => {
-  assertIssuerKeywords(zcf, harden(['Asset', 'Price']));
-
-  const makeAccompliceInvitation = malSeat => {
-    const { want: wantProposal } = malSeat.getProposal();
-
-    return zcf.makeInvitation(
-      vicSeat => {
-        const malAlloc = malSeat.getCurrentAllocation();
-        const malSeatStaging = malSeat.stage(wantProposal);
-        const vicSeatStaging = vicSeat.stage(malAlloc);
-        zcf.reallocate(malSeatStaging, vicSeatStaging);
-        malSeat.exit();
-        vicSeat.exit();
-      },
-      'tantalizing offer',
-      harden({
-        customProperties: {
-          Price: wantProposal.Price,
-        },
-      }),
-    );
-  };
-
-  const firstOfferExpected = harden({
-    want: { Price: null },
-  });
-
-  const creatorInvitation = zcf.makeInvitation(
-    assertProposalShape(makeAccompliceInvitation, firstOfferExpected),
-    'firstOffer',
-  );
-
-  return harden({ creatorInvitation });
-};
-
-harden(start);
-export { start };
diff --git a/packages/zoe/test/unitTests/contracts/test-grifter.js b/packages/zoe/test/unitTests/contracts/test-grifter.js
deleted file mode 100644
index a4ac33551f8..00000000000
--- a/packages/zoe/test/unitTests/contracts/test-grifter.js
+++ /dev/null
@@ -1,60 +0,0 @@
-import '@agoric/install-ses';
-// eslint-disable-next-line import/no-extraneous-dependencies
-import { test } from 'tape-promise/tape';
-// eslint-disable-next-line import/no-extraneous-dependencies
-import bundleSource from '@agoric/bundle-source';
-import { E } from '@agoric/eventual-send';
-
-// noinspection ES6PreferShortImport
-import { makeZoe } from '../../../src/zoeService/zoe';
-import { setup } from '../setupBasicMints';
-import fakeVatAdmin from './fakeVatAdmin';
-
-const grifterRoot = `${__dirname}/grifter`;
-
-test('zoe - grifter tries to steal; prevented by offer safety', async t => {
-  t.plan(1);
-  // Setup zoe and mints
-  const { moola, moolaR, moolaMint, bucksR, bucks } = setup();
-  const zoe = makeZoe(fakeVatAdmin);
-  // Pack the contract.
-  const bundle = await bundleSource(grifterRoot);
-  const installationHandle = await zoe.install(bundle);
-
-  const issuerKeywordRecord = harden({
-    Asset: bucksR.issuer,
-    Price: moolaR.issuer,
-  });
-
-  const { creatorInvitation: malloryInvitation } = await zoe.startInstance(
-    installationHandle,
-    issuerKeywordRecord,
-  );
-
-  // Mallory doesn't need any money
-  const malloryProposal = harden({
-    want: { Price: moola(37) },
-  });
-  const mallorySeat = await zoe.offer(
-    malloryInvitation,
-    malloryProposal,
-    harden({}),
-  );
-
-  const vicInvitationP = await E(mallorySeat).getOfferResult();
-
-  const vicMoolaPayment = moolaMint.mintPayment(moola(37));
-  const vicProposal = harden({
-    give: { Price: moola(37) },
-    want: { Asset: bucks(24) },
-    exit: { onDemand: null },
-  });
-  const vicPayments = { Price: vicMoolaPayment };
-  const vicSeat = await zoe.offer(vicInvitationP, vicProposal, vicPayments);
-
-  t.rejects(
-    E(vicSeat).getOfferResult(),
-    /The reallocation was not offer safe/,
-    `vicOffer is rejected`,
-  );
-});