diff --git a/packages/ERTP/package.json b/packages/ERTP/package.json
index 60d7d137ca3b..eb8a06cfe25f 100644
--- a/packages/ERTP/package.json
+++ b/packages/ERTP/package.json
@@ -36,7 +36,6 @@
   "dependencies": {
     "@agoric/assert": "^0.0.7",
     "@agoric/eventual-send": "^0.9.2",
-    "@agoric/harden": "^0.0.8",
     "@agoric/import-manager": "^0.0.6",
     "@agoric/layer-cake": "^0.0.1",
     "@agoric/marshal": "^0.2.2",
diff --git a/packages/ERTP/src/amountMath.js b/packages/ERTP/src/amountMath.js
index 2e13dbf9c219..4925f8446b36 100644
--- a/packages/ERTP/src/amountMath.js
+++ b/packages/ERTP/src/amountMath.js
@@ -1,5 +1,6 @@
+/* global harden */
 // @ts-check
-import harden from '@agoric/harden';
+
 import { assert, details } from '@agoric/assert';
 
 import { mustBeComparable } from '@agoric/same-structure';
diff --git a/packages/ERTP/src/issuer.js b/packages/ERTP/src/issuer.js
index d515d6f81604..d48fb711a259 100644
--- a/packages/ERTP/src/issuer.js
+++ b/packages/ERTP/src/issuer.js
@@ -1,7 +1,8 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
+
+/* global harden */
 // @ts-check
 
-import harden from '@agoric/harden';
 import { assert, details } from '@agoric/assert';
 import makeStore from '@agoric/weak-store';
 import { isPromise } from '@agoric/produce-promise';
diff --git a/packages/ERTP/src/mathHelpers/natMathHelpers.js b/packages/ERTP/src/mathHelpers/natMathHelpers.js
index ab623e7fc07c..73c5ce86d743 100644
--- a/packages/ERTP/src/mathHelpers/natMathHelpers.js
+++ b/packages/ERTP/src/mathHelpers/natMathHelpers.js
@@ -1,5 +1,6 @@
+/* global harden */
+
 import Nat from '@agoric/nat';
-import harden from '@agoric/harden';
 
 // Fungible digital assets use the natMathHelpers to manage balances -
 // the operations are merely arithmetic on natural, non-negative
diff --git a/packages/ERTP/src/mathHelpers/setMathHelpers.js b/packages/ERTP/src/mathHelpers/setMathHelpers.js
index d61232f37ab8..45838c9d8982 100644
--- a/packages/ERTP/src/mathHelpers/setMathHelpers.js
+++ b/packages/ERTP/src/mathHelpers/setMathHelpers.js
@@ -1,4 +1,5 @@
-import harden from '@agoric/harden';
+/* global harden */
+
 import { passStyleOf } from '@agoric/marshal';
 import { assert, details } from '@agoric/assert';
 import { sameStructure } from '@agoric/same-structure';
diff --git a/packages/ERTP/src/mathHelpers/strSetMathHelpers.js b/packages/ERTP/src/mathHelpers/strSetMathHelpers.js
index 14456eb15c4c..75bee3ab1d3d 100644
--- a/packages/ERTP/src/mathHelpers/strSetMathHelpers.js
+++ b/packages/ERTP/src/mathHelpers/strSetMathHelpers.js
@@ -1,4 +1,5 @@
-import harden from '@agoric/harden';
+/* global harden */
+
 import { passStyleOf } from '@agoric/marshal';
 import { assert, details } from '@agoric/assert';
 
diff --git a/packages/ERTP/test/swingsetTests/splitPayments/bootstrap.js b/packages/ERTP/test/swingsetTests/splitPayments/bootstrap.js
index 37cda4f6593a..9785b65b3b5b 100644
--- a/packages/ERTP/test/swingsetTests/splitPayments/bootstrap.js
+++ b/packages/ERTP/test/swingsetTests/splitPayments/bootstrap.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 import produceIssuer from '../../../src/issuer';
 
diff --git a/packages/ERTP/test/swingsetTests/splitPayments/vat-alice.js b/packages/ERTP/test/swingsetTests/splitPayments/vat-alice.js
index 2484c4b79d9e..41ae97d26ce2 100644
--- a/packages/ERTP/test/swingsetTests/splitPayments/vat-alice.js
+++ b/packages/ERTP/test/swingsetTests/splitPayments/vat-alice.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 function makeAliceMaker(E, log) {
   return harden({
diff --git a/packages/ERTP/test/unitTests/mathHelpers/test-natMathHelpers.js b/packages/ERTP/test/unitTests/mathHelpers/test-natMathHelpers.js
index 65433fa5962b..f61f97765180 100644
--- a/packages/ERTP/test/unitTests/mathHelpers/test-natMathHelpers.js
+++ b/packages/ERTP/test/unitTests/mathHelpers/test-natMathHelpers.js
@@ -1,6 +1,8 @@
+/* global harden */
 // eslint-disable-next-line import/no-extraneous-dependencies
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import harden from '@agoric/harden';
 
 import makeAmountMath from '../../../src/amountMath';
 
diff --git a/packages/ERTP/test/unitTests/mathHelpers/test-setMathHelpers.js b/packages/ERTP/test/unitTests/mathHelpers/test-setMathHelpers.js
index 2e930fe5188d..0a804a0bc7e6 100644
--- a/packages/ERTP/test/unitTests/mathHelpers/test-setMathHelpers.js
+++ b/packages/ERTP/test/unitTests/mathHelpers/test-setMathHelpers.js
@@ -1,6 +1,8 @@
+/* global harden */
 // eslint-disable-next-line import/no-extraneous-dependencies
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import harden from '@agoric/harden';
 
 import makeAmountMath from '../../../src/amountMath';
 
diff --git a/packages/ERTP/test/unitTests/mathHelpers/test-strSetMathHelpers.js b/packages/ERTP/test/unitTests/mathHelpers/test-strSetMathHelpers.js
index e37fb463afb8..946f20adfc85 100644
--- a/packages/ERTP/test/unitTests/mathHelpers/test-strSetMathHelpers.js
+++ b/packages/ERTP/test/unitTests/mathHelpers/test-strSetMathHelpers.js
@@ -1,6 +1,8 @@
+/* global harden */
 // eslint-disable-next-line import/no-extraneous-dependencies
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import harden from '@agoric/harden';
 
 import makeAmountMath from '../../../src/amountMath';
 
diff --git a/packages/ERTP/test/unitTests/test-issuerObj.js b/packages/ERTP/test/unitTests/test-issuerObj.js
index 7c95c1147fea..d88bb813c6a5 100644
--- a/packages/ERTP/test/unitTests/test-issuerObj.js
+++ b/packages/ERTP/test/unitTests/test-issuerObj.js
@@ -1,4 +1,5 @@
 // eslint-disable-next-line import/no-extraneous-dependencies
+import '@agoric/install-ses';
 import test from 'tape-promise/tape';
 import { E } from '@agoric/eventual-send';
 
diff --git a/packages/ERTP/test/unitTests/test-mintObj.js b/packages/ERTP/test/unitTests/test-mintObj.js
index 350bc59134f4..989645f93cd5 100644
--- a/packages/ERTP/test/unitTests/test-mintObj.js
+++ b/packages/ERTP/test/unitTests/test-mintObj.js
@@ -1,6 +1,8 @@
+/* global harden */
 // eslint-disable-next-line import/no-extraneous-dependencies
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import harden from '@agoric/harden';
 
 import produceIssuer from '../../src/issuer';
 
diff --git a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/bootstrap.js b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/bootstrap.js
index 53d55153f644..00c34987cf3c 100644
--- a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/bootstrap.js
+++ b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/bootstrap.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 // This javascript source file uses the "tildot" syntax (foo~.bar()) for
 // eventual sends.
diff --git a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-bot.js b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-bot.js
index 4e1d9383a8f7..8c12d7e5ac7b 100644
--- a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-bot.js
+++ b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-bot.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 export default function setup(syscall, state, helpers) {
   function log(what) {
diff --git a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-user.js b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-user.js
index c8623085b8cb..65af32ed5140 100644
--- a/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-user.js
+++ b/packages/acorn-eventual-send/encouragementBotCommsWavyDot/vat-user.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 // This javascript source file uses the "tildot" syntax (foo~.bar()) for
 // eventual sends.
diff --git a/packages/acorn-eventual-send/test/test-rollup.js b/packages/acorn-eventual-send/test/test-rollup.js
index dd1e2b1409b8..83a608c6150a 100644
--- a/packages/acorn-eventual-send/test/test-rollup.js
+++ b/packages/acorn-eventual-send/test/test-rollup.js
@@ -8,7 +8,7 @@ test('SwingSet bug', async t => {
     const bundle = await rollup({
       input: require.resolve('../encouragementBotCommsWavyDot/bootstrap.js'),
       treeshake: false,
-      external: ['@agoric/evaluate', '@agoric/nat', '@agoric/harden'],
+      external: ['@agoric/evaluate', '@agoric/nat'],
       acornInjectPlugins: [eventualSend(acorn)],
     });
     t.ok(bundle);
diff --git a/packages/agoric-cli/package.json b/packages/agoric-cli/package.json
index f78a88af55b0..09f8da5f24cc 100644
--- a/packages/agoric-cli/package.json
+++ b/packages/agoric-cli/package.json
@@ -16,6 +16,7 @@
     "lint-check-jessie": "eslint -c '.eslintrc-jessie.js' '**/*.{js,jsx}'"
   },
   "devDependencies": {
+    "@agoric/install-ses": "0.1.0",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
     "tape-promise": "^4.0.0",
diff --git a/packages/agoric-cli/test/test-main.js b/packages/agoric-cli/test/test-main.js
index 098accc09b14..95d6410c4db6 100644
--- a/packages/agoric-cli/test/test-main.js
+++ b/packages/agoric-cli/test/test-main.js
@@ -1,4 +1,5 @@
 /* global globalThis */
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import fs from 'fs';
 import anylogger from 'anylogger';
diff --git a/packages/assert/package.json b/packages/assert/package.json
old mode 100644
new mode 100755
index fcdcac539d7c..3f0749a29110
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -29,10 +29,10 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/harden": "^0.0.8"
   },
   "devDependencies": {
     "esm": "^3.2.25",
+    "@agoric/install-ses": "0.1.0",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
     "tape-promise": "^4.0.0"
diff --git a/packages/assert/src/assert.js b/packages/assert/src/assert.js
index 1180c3c9882b..62f2752a5c60 100644
--- a/packages/assert/src/assert.js
+++ b/packages/assert/src/assert.js
@@ -1,14 +1,13 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
+
+/* global harden */
+
 // @ts-check
 
 // This module assumes the de-facto standard `console` host object.
 // To the extent that this `console` is considered a resource,
 // this module must be considered a resource module.
 
-import rawHarden from '@agoric/harden';
-
-const harden = /** @type {<T>(x: T) => T} */ (rawHarden);
-
 /**
  * Prepend the correct indefinite article onto a noun, typically a typeof result
  * e.g., "an Object" vs. "a Number"
diff --git a/packages/assert/test/test-assert.js b/packages/assert/test/test-assert.js
index dcfb08b1ec02..13aecc6d577c 100644
--- a/packages/assert/test/test-assert.js
+++ b/packages/assert/test/test-assert.js
@@ -1,3 +1,4 @@
+import '@agoric/install-ses';
 import { test } from 'tape';
 import { an, assert, details, q } from '../src/assert';
 import { throwsAndLogs } from './throwsAndLogs';
diff --git a/packages/assert/test/throwsAndLogs.js b/packages/assert/test/throwsAndLogs.js
index 30bc420daa04..e8ea8ea357d2 100644
--- a/packages/assert/test/throwsAndLogs.js
+++ b/packages/assert/test/throwsAndLogs.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 const { defineProperty } = Object;
 
diff --git a/packages/bundle-source/demo/dir1/index.js b/packages/bundle-source/demo/dir1/index.js
index deec7419fe7c..95a848e88d69 100644
--- a/packages/bundle-source/demo/dir1/index.js
+++ b/packages/bundle-source/demo/dir1/index.js
@@ -1,4 +1,5 @@
-import harden from '@agoric/harden';
+/* global harden */
+
 import { encourage, makeError } from './encourage';
 import more from './sub/more';
 
diff --git a/packages/bundle-source/package.json b/packages/bundle-source/package.json
index a4b5a2e86358..84196e4ed932 100644
--- a/packages/bundle-source/package.json
+++ b/packages/bundle-source/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "@agoric/acorn-eventual-send": "^2.0.5",
     "@agoric/babel-parser": "^7.6.4",
-    "@agoric/harden": "^0.0.8",
+    "@agoric/install-ses": "0.1.0",
     "@agoric/transform-eventual-send": "^1.3.0",
     "@babel/generator": "^7.6.4",
     "@rollup/plugin-commonjs": "^11.0.2",
diff --git a/packages/bundle-source/src/index.js b/packages/bundle-source/src/index.js
index 7fc8990d0f21..92c0e05e14ac 100644
--- a/packages/bundle-source/src/index.js
+++ b/packages/bundle-source/src/index.js
@@ -48,7 +48,7 @@ export default async function bundleSource(
     input: resolvedPath,
     treeshake: false,
     preserveModules: moduleFormat === 'nestedEvaluate',
-    external: ['@agoric/harden', ...externals],
+    external: [...externals],
     plugins: [
       resolvePlugin({ preferBuiltins: true }),
       tildotPlugin(),
diff --git a/packages/bundle-source/test/circular.js b/packages/bundle-source/test/circular.js
index 434f77dbf669..36777ea5239e 100644
--- a/packages/bundle-source/test/circular.js
+++ b/packages/bundle-source/test/circular.js
@@ -1,4 +1,5 @@
 /* global Compartment */
+
 import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import bundleSource from '..';
@@ -15,7 +16,6 @@ test('circular export', async t => {
       'nestedEvaluate',
     );
 
-    // Fake out `require('@agoric/harden')`.
     const require = _ => o => o;
     const nestedEvaluate = src => {
       // console.log('========== evaluating', src);
diff --git a/packages/bundle-source/test/sanity.js b/packages/bundle-source/test/sanity.js
index d2403c9d7bfa..b1fc8f738e76 100644
--- a/packages/bundle-source/test/sanity.js
+++ b/packages/bundle-source/test/sanity.js
@@ -1,4 +1,5 @@
 /* global Compartment */
+
 import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import bundleSource from '..';
@@ -21,9 +22,7 @@ test('nestedEvaluate', async t => {
     // console.log(srcMap1);
 
     t.equal(mf1, 'nestedEvaluate', 'module format is nestedEvaluate');
-    t.assert(src1.match(/require\('@agoric\/harden'\)/), 'harden is required');
 
-    // Fake out `require('@agoric/harden')`.
     const require = _ => o => o;
     const nestedEvaluate = src => {
       // console.log('========== evaluating', src);
@@ -78,9 +77,7 @@ test('getExport', async t => {
     // console.log(srcMap1);
 
     t.equal(mf1, 'getExport', 'module format is getExport');
-    t.assert(src1.match(/require\('@agoric\/harden'\)/), 'harden is required');
 
-    // Fake out `require('@agoric/harden')`.
     // eslint-disable-next-line no-eval
     const ex1 = eval(`const require = _ => o => o;${srcMap1}`)();
 
diff --git a/packages/bundle-source/test/tildot-transform.js b/packages/bundle-source/test/tildot-transform.js
index a2214a5f30b7..fa006135e18f 100644
--- a/packages/bundle-source/test/tildot-transform.js
+++ b/packages/bundle-source/test/tildot-transform.js
@@ -1,3 +1,4 @@
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import bundleSource from '..';
 
diff --git a/packages/captp/lib/captp.js b/packages/captp/lib/captp.js
index a018788713e5..4fb711299a7c 100644
--- a/packages/captp/lib/captp.js
+++ b/packages/captp/lib/captp.js
@@ -1,12 +1,13 @@
+/* global harden */
+
 // This logic was mostly lifted from @agoric/swingset-vat liveSlots.js
 // Defects in it are mfig's fault.
 import { Remotable, makeMarshal, QCLASS } from '@agoric/marshal';
-import harden from '@agoric/harden';
 import Nat from '@agoric/nat';
 import { HandledPromise, E } from '@agoric/eventual-send';
 import { isPromise } from '@agoric/produce-promise';
 
-export { E, HandledPromise, Nat, harden };
+export { E, HandledPromise, Nat };
 
 export function makeCapTP(ourId, send, bootstrapObj = undefined) {
   let unplug = false;
diff --git a/packages/captp/package.json b/packages/captp/package.json
index b13fa0a86823..789f63aa5aaf 100644
--- a/packages/captp/package.json
+++ b/packages/captp/package.json
@@ -32,13 +32,13 @@
     "lint-check-jessie": "eslint -c '.eslintrc-jessie.js' '**/*.js'"
   },
   "devDependencies": {
+    "@agoric/install-ses": "0.1.0",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
     "tape-promise": "^4.0.0"
   },
   "dependencies": {
     "@agoric/eventual-send": "^0.9.2",
-    "@agoric/harden": "^0.0.8",
     "@agoric/marshal": "^0.2.2",
     "@agoric/nat": "^2.0.1",
     "@agoric/produce-promise": "^0.1.2",
diff --git a/packages/captp/test/crosstalk.js b/packages/captp/test/crosstalk.js
index 2d5207618695..9a74ac89959c 100644
--- a/packages/captp/test/crosstalk.js
+++ b/packages/captp/test/crosstalk.js
@@ -1,5 +1,8 @@
+/* global harden */
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import { harden, makeCapTP, E } from '../lib/captp';
+import { makeCapTP, E } from '../lib/captp';
 
 test('prevent crosstalk', async t => {
   try {
diff --git a/packages/captp/test/disco.js b/packages/captp/test/disco.js
index d13ee1c03f64..1f1716a932d6 100644
--- a/packages/captp/test/disco.js
+++ b/packages/captp/test/disco.js
@@ -1,5 +1,8 @@
+/* global harden */
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import { harden, makeCapTP } from '../lib/captp';
+import { makeCapTP } from '../lib/captp';
 
 test('try disconnecting captp', async t => {
   try {
diff --git a/packages/captp/test/loopback.js b/packages/captp/test/loopback.js
index c3e853e634fa..ce9f786a3471 100644
--- a/packages/captp/test/loopback.js
+++ b/packages/captp/test/loopback.js
@@ -1,5 +1,8 @@
+/* global harden */
+
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import { E, harden, makeCapTP } from '../lib/captp';
+import { E, makeCapTP } from '../lib/captp';
 
 test('try loopback captp', async t => {
   try {
diff --git a/packages/eventual-send/package.json b/packages/eventual-send/package.json
index 35913097424a..0078c739e627 100644
--- a/packages/eventual-send/package.json
+++ b/packages/eventual-send/package.json
@@ -21,10 +21,10 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/harden": "^0.0.8"
   },
   "devDependencies": {
     "esm": "^3.2.7",
+    "@agoric/install-ses": "0.1.0",
     "rollup": "^1.2.2",
     "tape": "^4.11.0",
     "tape-promise": "^4.0.0"
diff --git a/packages/eventual-send/rollup.config.js b/packages/eventual-send/rollup.config.js
index e67a5dab481f..357d7312c6c1 100644
--- a/packages/eventual-send/rollup.config.js
+++ b/packages/eventual-send/rollup.config.js
@@ -6,9 +6,9 @@ export default [
         file: 'dist/eventual-send.umd.js',
         format: 'umd',
         name: 'EventualSend',
-        globals: {
-          '@agoric/harden': 'harden',
-        },
+        // globals: {
+        //  '@agoric/harden': 'harden',
+        // },
       },
       {
         file: 'dist/eventual-send.esm.js',
diff --git a/packages/eventual-send/src/E.js b/packages/eventual-send/src/E.js
index 9f8e9682084c..e67449f9ba0c 100644
--- a/packages/eventual-send/src/E.js
+++ b/packages/eventual-send/src/E.js
@@ -1,9 +1,8 @@
-/* global */
+/* global harden */
+
 // eslint-disable-next-line spaced-comment
 /// <reference path="index.d.ts" />
 
-import harden from '@agoric/harden';
-
 const readOnlyProxy = {
   set(_target, _prop, _value) {
     return false;
diff --git a/packages/eventual-send/src/index.js b/packages/eventual-send/src/index.js
index 128724485472..8f6423991b58 100644
--- a/packages/eventual-send/src/index.js
+++ b/packages/eventual-send/src/index.js
@@ -1,6 +1,4 @@
-/* global HandledPromise */
-
-import harden from '@agoric/harden';
+/* global harden HandledPromise */
 
 import makeE from './E';
 
diff --git a/packages/eventual-send/test/test-e.js b/packages/eventual-send/test/test-e.js
index 97fc9215310d..b17b7be68435 100644
--- a/packages/eventual-send/test/test-e.js
+++ b/packages/eventual-send/test/test-e.js
@@ -1,3 +1,4 @@
+import '@agoric/install-ses';
 import test from 'tape-promise/tape';
 import { E, HandledPromise } from '../src/index';
 
diff --git a/packages/import-manager/package.json b/packages/import-manager/package.json
index 751d4d5c6465..c0fccbca6387 100644
--- a/packages/import-manager/package.json
+++ b/packages/import-manager/package.json
@@ -28,9 +28,9 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/harden": "^0.0.8"
   },
   "devDependencies": {
+    "@agoric/install-ses": "0.1.0",
     "esm": "^3.2.25",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
diff --git a/packages/import-manager/src/importManager.js b/packages/import-manager/src/importManager.js
index 795957d93fa4..c9e3054afe1d 100644
--- a/packages/import-manager/src/importManager.js
+++ b/packages/import-manager/src/importManager.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 // ImportManager allows a package to make some code available that can be run
 // locally by a calling vat without requiring a remote round trip to the hosting
diff --git a/packages/import-manager/test/unitTests/test-importsA.js b/packages/import-manager/test/unitTests/test-importsA.js
index c4a95f2a01a9..56e8b1b1b422 100644
--- a/packages/import-manager/test/unitTests/test-importsA.js
+++ b/packages/import-manager/test/unitTests/test-importsA.js
@@ -1,5 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import { makeGoodImportManager } from './goodImports';
 
diff --git a/packages/marshal/marshal.js b/packages/marshal/marshal.js
index e3b46a69933a..a0138773226f 100644
--- a/packages/marshal/marshal.js
+++ b/packages/marshal/marshal.js
@@ -1,5 +1,6 @@
+/* global harden */
 // @ts-check
-import harden from '@agoric/harden';
+
 import Nat from '@agoric/nat';
 import { isPromise } from '@agoric/produce-promise';
 
diff --git a/packages/marshal/package.json b/packages/marshal/package.json
index 97ea1b0f2aa6..6eaf79fef7ea 100644
--- a/packages/marshal/package.json
+++ b/packages/marshal/package.json
@@ -29,12 +29,12 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/eventual-send": "^0.9.2",
-    "@agoric/harden": "^0.0.8",
     "@agoric/nat": "^2.0.1",
     "@agoric/produce-promise": "^0.1.2"
   },
   "devDependencies": {
     "esm": "^3.2.25",
+    "@agoric/install-ses": "0.1.0",
     "tap-spec": "^5.0.0",
     "tape": "^4.10.2",
     "tape-promise": "^4.0.0"
diff --git a/packages/marshal/test/test-marshal.js b/packages/marshal/test/test-marshal.js
index 25742fd9c579..3a41741572a3 100644
--- a/packages/marshal/test/test-marshal.js
+++ b/packages/marshal/test/test-marshal.js
@@ -1,7 +1,7 @@
-/* globals BigInt */
+/* global harden BigInt */
 
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
-import harden from '@agoric/harden';
 import {
   Remotable,
   getInterfaceOf,
diff --git a/packages/notifier/package.json b/packages/notifier/package.json
index a98b6b7dd57a..83629650263b 100644
--- a/packages/notifier/package.json
+++ b/packages/notifier/package.json
@@ -28,10 +28,10 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/harden": "^0.0.8",
     "@agoric/produce-promise": "^0.1.2"
   },
   "devDependencies": {
+    "@agoric/install-ses": "0.1.0",
     "esm": "^3.2.25",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
diff --git a/packages/notifier/src/notifier.js b/packages/notifier/src/notifier.js
index 08009bbed46f..7dd36eb60f0c 100644
--- a/packages/notifier/src/notifier.js
+++ b/packages/notifier/src/notifier.js
@@ -1,5 +1,6 @@
+/* global harden */
+
 import { producePromise } from '@agoric/produce-promise';
-import harden from '@agoric/harden';
 
 /**
  * Produces a pair of objects, which allow a service to produce a stream of
diff --git a/packages/notifier/test/test-notifier.js b/packages/notifier/test/test-notifier.js
index 298cf3d7afb2..a4b9a5c74d03 100644
--- a/packages/notifier/test/test-notifier.js
+++ b/packages/notifier/test/test-notifier.js
@@ -1,4 +1,5 @@
 // eslint-disable-next-line import/no-extraneous-dependencies
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import { produceNotifier } from '../src/notifier';
 
diff --git a/packages/produce-promise/package.json b/packages/produce-promise/package.json
index 0b3b5519844c..99062ff9736f 100644
--- a/packages/produce-promise/package.json
+++ b/packages/produce-promise/package.json
@@ -28,8 +28,7 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/eventual-send": "^0.9.2",
-    "@agoric/harden": "^0.0.8"
+    "@agoric/eventual-send": "^0.9.2"
   },
   "devDependencies": {
     "esm": "^3.2.25",
diff --git a/packages/produce-promise/src/producePromise.js b/packages/produce-promise/src/producePromise.js
index 93e33b029191..785ac217429f 100644
--- a/packages/produce-promise/src/producePromise.js
+++ b/packages/produce-promise/src/producePromise.js
@@ -1,5 +1,6 @@
+/* global harden */
 // @ts-check
-import harden from '@agoric/harden';
+
 import { HandledPromise } from '@agoric/eventual-send';
 
 /**
diff --git a/packages/registrar/package.json b/packages/registrar/package.json
index 121efe114f00..8bbfec27f7e2 100644
--- a/packages/registrar/package.json
+++ b/packages/registrar/package.json
@@ -27,10 +27,10 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/assert": "^0.0.7",
-    "@agoric/harden": "^0.0.8",
     "@agoric/sparse-ints": "^0.0.6"
   },
   "devDependencies": {
+    "@agoric/install-ses": "0.1.0",
     "esm": "^3.2.25",
     "tap-spec": "^5.0.0",
     "tape": "^4.11.0",
diff --git a/packages/registrar/src/registrar.js b/packages/registrar/src/registrar.js
index d627a9c9cea5..f69740489099 100644
--- a/packages/registrar/src/registrar.js
+++ b/packages/registrar/src/registrar.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import { generateSparseInts } from '@agoric/sparse-ints';
 import { assert, details } from '@agoric/assert';
 
diff --git a/packages/registrar/test/unitTests/test-registrar.js b/packages/registrar/test/unitTests/test-registrar.js
index 5f862b0cd8c7..6ec5764ae220 100644
--- a/packages/registrar/test/unitTests/test-registrar.js
+++ b/packages/registrar/test/unitTests/test-registrar.js
@@ -1,3 +1,4 @@
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import { makeRegistrar } from '../../src/registrar';
 
diff --git a/packages/same-structure/package.json b/packages/same-structure/package.json
index a3e4f9190a81..b25333b3bb2b 100644
--- a/packages/same-structure/package.json
+++ b/packages/same-structure/package.json
@@ -30,7 +30,6 @@
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
     "@agoric/assert": "^0.0.7",
-    "@agoric/harden": "^0.0.8",
     "@agoric/marshal": "^0.2.2"
   },
   "devDependencies": {
diff --git a/packages/same-structure/src/sameStructure.js b/packages/same-structure/src/sameStructure.js
index d3bb846284c4..da0e48c5944f 100644
--- a/packages/same-structure/src/sameStructure.js
+++ b/packages/same-structure/src/sameStructure.js
@@ -1,4 +1,5 @@
-import harden from '@agoric/harden';
+/* global harden */
+
 import { sameValueZero, passStyleOf } from '@agoric/marshal';
 import { assert, details, q } from '@agoric/assert';
 
diff --git a/packages/sharing-service/package.json b/packages/sharing-service/package.json
index f881ccfa37a8..67047ba5c74c 100644
--- a/packages/sharing-service/package.json
+++ b/packages/sharing-service/package.json
@@ -26,8 +26,7 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/assert": "^0.0.7",
-    "@agoric/harden": "^0.0.8"
+    "@agoric/assert": "^0.0.7"
   },
   "devDependencies": {
     "@agoric/install-ses": "0.1.0",
diff --git a/packages/sharing-service/src/sharedMap.js b/packages/sharing-service/src/sharedMap.js
index 137852abc60d..89acae6219df 100644
--- a/packages/sharing-service/src/sharedMap.js
+++ b/packages/sharing-service/src/sharedMap.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 // Allows multiple parties to store values for retrieval by others.
 function makeSharedMap(name) {
diff --git a/packages/sharing-service/src/sharing.js b/packages/sharing-service/src/sharing.js
index 1e970d00d986..c392fc87b12d 100644
--- a/packages/sharing-service/src/sharing.js
+++ b/packages/sharing-service/src/sharing.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 import { assert, details } from '@agoric/assert';
 import { makeSharedMap } from './sharedMap';
diff --git a/packages/sharing-service/test/swingsetTests/sharingService/bootstrap.js b/packages/sharing-service/test/swingsetTests/sharingService/bootstrap.js
index 48e932571d46..fb2f63222c3c 100644
--- a/packages/sharing-service/test/swingsetTests/sharingService/bootstrap.js
+++ b/packages/sharing-service/test/swingsetTests/sharingService/bootstrap.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 import { makeSharedMap } from '../../../src/sharedMap';
 import { makeSharingService } from '../../../src/sharing';
diff --git a/packages/sharing-service/test/swingsetTests/sharingService/vat-alice.js b/packages/sharing-service/test/swingsetTests/sharingService/vat-alice.js
index 135dfa846763..a1567816ba50 100644
--- a/packages/sharing-service/test/swingsetTests/sharingService/vat-alice.js
+++ b/packages/sharing-service/test/swingsetTests/sharingService/vat-alice.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 function makeAliceMaker(E, _host, _log) {
   return harden({
diff --git a/packages/sharing-service/test/swingsetTests/sharingService/vat-bob.js b/packages/sharing-service/test/swingsetTests/sharingService/vat-bob.js
index 42e7e682e101..d57ca41b5407 100644
--- a/packages/sharing-service/test/swingsetTests/sharingService/vat-bob.js
+++ b/packages/sharing-service/test/swingsetTests/sharingService/vat-bob.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 function makeBobMaker(E, _host, _log) {
   return harden({
diff --git a/packages/sharing-service/test/swingsetTests/sharingService/vat-sharing.js b/packages/sharing-service/test/swingsetTests/sharingService/vat-sharing.js
index cd4edf2406a5..1f2f474f235c 100644
--- a/packages/sharing-service/test/swingsetTests/sharingService/vat-sharing.js
+++ b/packages/sharing-service/test/swingsetTests/sharingService/vat-sharing.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 import { makeSharingService } from '../../../src/sharing';
 
diff --git a/packages/sharing-service/test/unitTests/test-sharing.js b/packages/sharing-service/test/unitTests/test-sharing.js
index 5cc6af47acf9..f146a678a8e1 100644
--- a/packages/sharing-service/test/unitTests/test-sharing.js
+++ b/packages/sharing-service/test/unitTests/test-sharing.js
@@ -1,3 +1,4 @@
+import '@agoric/install-ses';
 import { test } from 'tape-promise/tape';
 import { makeSharingService } from '../../src/sharing';
 
diff --git a/packages/sparse-ints/package.json b/packages/sparse-ints/package.json
index ee64b3bc6322..08b07aa5d65e 100644
--- a/packages/sparse-ints/package.json
+++ b/packages/sparse-ints/package.json
@@ -26,7 +26,6 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/harden": "^0.0.8"
   },
   "devDependencies": {
     "esm": "^3.2.25",
diff --git a/packages/sparse-ints/src/sparseInts.js b/packages/sparse-ints/src/sparseInts.js
index 201c05f9c1aa..bf58321113e7 100644
--- a/packages/sparse-ints/src/sparseInts.js
+++ b/packages/sparse-ints/src/sparseInts.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 // Generator function to produce a stream of positive integers that are
 // sparsely scattered across the number space. This supports IDs that
diff --git a/packages/spawner/package.json b/packages/spawner/package.json
index 6a4a3560f54b..4ac694608c95 100644
--- a/packages/spawner/package.json
+++ b/packages/spawner/package.json
@@ -31,7 +31,6 @@
     "@agoric/assert": "^0.0.7",
     "@agoric/ertp": "^0.5.5",
     "@agoric/eventual-send": "^0.9.2",
-    "@agoric/harden": "^0.0.8",
     "@agoric/import-bundle": "^0.0.7",
     "@agoric/nat": "^2.0.1",
     "@agoric/produce-promise": "^0.1.2",
diff --git a/packages/spawner/src/allSettled.js b/packages/spawner/src/allSettled.js
index d8975594d8a7..ba48b464d9b5 100644
--- a/packages/spawner/src/allSettled.js
+++ b/packages/spawner/src/allSettled.js
@@ -1,4 +1,4 @@
-import harden from '@agoric/harden';
+/* global harden */
 
 import { producePromise } from '@agoric/produce-promise';
 
diff --git a/packages/spawner/src/contractHost.js b/packages/spawner/src/contractHost.js
index b9bc217277dc..abbf2883629d 100644
--- a/packages/spawner/src/contractHost.js
+++ b/packages/spawner/src/contractHost.js
@@ -1,7 +1,8 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
+/* global harden */
+
 import Nat from '@agoric/nat';
-import harden from '@agoric/harden';
 import { importBundle } from '@agoric/import-bundle';
 import makeStore from '@agoric/weak-store';
 import { assert, details } from '@agoric/assert';
diff --git a/packages/spawner/src/coveredCall.js b/packages/spawner/src/coveredCall.js
index 054409831b01..1484080bfbe5 100644
--- a/packages/spawner/src/coveredCall.js
+++ b/packages/spawner/src/coveredCall.js
@@ -1,7 +1,7 @@
-/* global E */
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden E */
+
 import { mustBeSameStructure, sameStructure } from '@agoric/same-structure';
 
 /**
diff --git a/packages/spawner/src/escrow.js b/packages/spawner/src/escrow.js
index 383c60e5a73b..a2d01a9de9ee 100644
--- a/packages/spawner/src/escrow.js
+++ b/packages/spawner/src/escrow.js
@@ -1,7 +1,7 @@
-/* global E producePromise */
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden E producePromise */
+
 import { mustBeSameStructure } from '@agoric/same-structure';
 
 // For clarity, the code below internally speaks of a scenario is which Alice is
diff --git a/packages/spawner/src/makeCollect.js b/packages/spawner/src/makeCollect.js
index c4040126153f..4d19d4d0aedd 100644
--- a/packages/spawner/src/makeCollect.js
+++ b/packages/spawner/src/makeCollect.js
@@ -1,4 +1,5 @@
-import harden from '@agoric/harden';
+/* global harden */
+
 import { allSettled } from './allSettled';
 
 function makeCollect(E, log) {
diff --git a/packages/spawner/test/swingsetTests/contractHost/bootstrap.js b/packages/spawner/test/swingsetTests/contractHost/bootstrap.js
index aa8f303fe166..360d84864b4e 100644
--- a/packages/spawner/test/swingsetTests/contractHost/bootstrap.js
+++ b/packages/spawner/test/swingsetTests/contractHost/bootstrap.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import makeAmountMath from '@agoric/ertp/src/amountMath';
 import { bundleFunction } from '../../make-function-bundle';
 
diff --git a/packages/spawner/test/swingsetTests/contractHost/vat-alice.js b/packages/spawner/test/swingsetTests/contractHost/vat-alice.js
index a878352a50f0..e406b306a554 100644
--- a/packages/spawner/test/swingsetTests/contractHost/vat-alice.js
+++ b/packages/spawner/test/swingsetTests/contractHost/vat-alice.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2018 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import { allComparable } from '@agoric/same-structure';
 import makeAmountMath from '@agoric/ertp/src/amountMath';
 
diff --git a/packages/spawner/test/swingsetTests/contractHost/vat-bob.js b/packages/spawner/test/swingsetTests/contractHost/vat-bob.js
index 9144d287f2cb..054a84547928 100644
--- a/packages/spawner/test/swingsetTests/contractHost/vat-bob.js
+++ b/packages/spawner/test/swingsetTests/contractHost/vat-bob.js
@@ -1,7 +1,8 @@
 // Copyright (C) 2013 Google Inc, under Apache License 2.0
 // Copyright (C) 2018 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import makeAmountMath from '@agoric/ertp/src/amountMath';
 
 import { makeCollect } from '../../../src/makeCollect';
diff --git a/packages/spawner/test/swingsetTests/contractHost/vat-fred.js b/packages/spawner/test/swingsetTests/contractHost/vat-fred.js
index 097fa3d6d80b..155e7a10fb10 100644
--- a/packages/spawner/test/swingsetTests/contractHost/vat-fred.js
+++ b/packages/spawner/test/swingsetTests/contractHost/vat-fred.js
@@ -1,7 +1,8 @@
 // Copyright (C) 2013 Google Inc, under Apache License 2.0
 // Copyright (C) 2018 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import makeAmountMath from '@agoric/ertp/src/amountMath';
 import { allComparable } from '@agoric/same-structure';
 
diff --git a/packages/spawner/test/swingsetTests/contractHost/vat-host.js b/packages/spawner/test/swingsetTests/contractHost/vat-host.js
index 481a9d0d0c13..73ca0b49e5de 100644
--- a/packages/spawner/test/swingsetTests/contractHost/vat-host.js
+++ b/packages/spawner/test/swingsetTests/contractHost/vat-host.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2018 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import { makeContractHost } from '../../../src/contractHost';
 
 function setup(syscall, state, helpers, vatPowers0) {
diff --git a/packages/spawner/test/swingsetTests/contractHost/vat-mint.js b/packages/spawner/test/swingsetTests/contractHost/vat-mint.js
index 2137ddc00cf6..b342200b0973 100644
--- a/packages/spawner/test/swingsetTests/contractHost/vat-mint.js
+++ b/packages/spawner/test/swingsetTests/contractHost/vat-mint.js
@@ -1,6 +1,6 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
 
 import produceIssuer from '@agoric/ertp';
 
diff --git a/packages/spawner/test/swingsetTests/escrow/bootstrap.js b/packages/spawner/test/swingsetTests/escrow/bootstrap.js
index b7496c65bbd8..dd30167572e7 100644
--- a/packages/spawner/test/swingsetTests/escrow/bootstrap.js
+++ b/packages/spawner/test/swingsetTests/escrow/bootstrap.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import produceIssuer from '@agoric/ertp';
 import { allComparable } from '@agoric/same-structure';
 import { assert, details } from '@agoric/assert';
diff --git a/packages/spawner/test/swingsetTests/escrow/vat-host.js b/packages/spawner/test/swingsetTests/escrow/vat-host.js
index 481a9d0d0c13..73ca0b49e5de 100644
--- a/packages/spawner/test/swingsetTests/escrow/vat-host.js
+++ b/packages/spawner/test/swingsetTests/escrow/vat-host.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2018 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import { makeContractHost } from '../../../src/contractHost';
 
 function setup(syscall, state, helpers, vatPowers0) {
diff --git a/packages/spawner/test/swingsetTests/escrow/vat-mint.js b/packages/spawner/test/swingsetTests/escrow/vat-mint.js
index 557e4a134d62..b342200b0973 100644
--- a/packages/spawner/test/swingsetTests/escrow/vat-mint.js
+++ b/packages/spawner/test/swingsetTests/escrow/vat-mint.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2019 Agoric, under Apache License 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import produceIssuer from '@agoric/ertp';
 
 function build(_E, _log) {
diff --git a/packages/store/package.json b/packages/store/package.json
index 04ed73b9c2d9..0a764d710f11 100644
--- a/packages/store/package.json
+++ b/packages/store/package.json
@@ -28,8 +28,7 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/assert": "^0.0.7",
-    "@agoric/harden": "^0.0.8"
+    "@agoric/assert": "^0.0.7"
   },
   "devDependencies": {
     "esm": "^3.2.25",
diff --git a/packages/store/src/store.js b/packages/store/src/store.js
index 2effb2253202..31685ddce7a4 100644
--- a/packages/store/src/store.js
+++ b/packages/store/src/store.js
@@ -1,11 +1,10 @@
 // Copyright (C) 2019 Agoric, under Apache license 2.0
+
+/* global harden */
 // @ts-check
 
-import rawHarden from '@agoric/harden';
 import { assert, details, q } from '@agoric/assert';
 
-const harden = /** @type {<T>(x: T) => T} */ (rawHarden);
-
 /**
  * @template K,V
  * @typedef {Object} Store A wrapper around a Map
diff --git a/packages/weak-store/package.json b/packages/weak-store/package.json
index 3ca791823887..5b3784f90c33 100644
--- a/packages/weak-store/package.json
+++ b/packages/weak-store/package.json
@@ -26,8 +26,7 @@
   },
   "homepage": "https://github.com/Agoric/agoric-sdk#readme",
   "dependencies": {
-    "@agoric/assert": "^0.0.7",
-    "@agoric/harden": "^0.0.8"
+    "@agoric/assert": "^0.0.7"
   },
   "devDependencies": {
     "esm": "^3.2.25",
diff --git a/packages/weak-store/src/weakStore.js b/packages/weak-store/src/weakStore.js
index 94ac02b11beb..75c03640a799 100644
--- a/packages/weak-store/src/weakStore.js
+++ b/packages/weak-store/src/weakStore.js
@@ -1,6 +1,7 @@
 // Copyright (C) 2019 Agoric, under Apache license 2.0
 
-import harden from '@agoric/harden';
+/* global harden */
+
 import { assert, details, q } from '@agoric/assert';
 /**
  * Distinguishes between adding a new key (init) and updating or