diff --git a/package.json b/package.json
index a109be3d..f3e6064e 100644
--- a/package.json
+++ b/package.json
@@ -136,10 +136,8 @@
     "@types/node-forge": "^0.9.7",
     "@types/varint": "^6.0.0",
     "abortable-iterator": "^3.0.0",
-    "aegir": "^33.0.0",
+    "aegir": "^33.1.1",
     "buffer": "^6.0.3",
-    "chai-bytes": "^0.1.2",
-    "chai-string": "^1.5.0",
     "delay": "^5.0.0",
     "interop-libp2p": "^0.3.0",
     "into-stream": "^6.0.0",
diff --git a/test/keychain/cms-interop.spec.js b/test/keychain/cms-interop.spec.js
index 546d163c..c21b6305 100644
--- a/test/keychain/cms-interop.spec.js
+++ b/test/keychain/cms-interop.spec.js
@@ -2,8 +2,7 @@
 /* eslint-env mocha */
 'use strict'
 
-const { chai, expect } = require('aegir/utils/chai')
-chai.use(require('chai-string'))
+const { expect } = require('aegir/utils/chai')
 const uint8ArrayFromString = require('uint8arrays/from-string')
 const uint8ArrayToString = require('uint8arrays/to-string')
 const { MemoryDatastore } = require('interface-datastore')
diff --git a/test/keychain/keychain.spec.js b/test/keychain/keychain.spec.js
index 55e15110..99ade942 100644
--- a/test/keychain/keychain.spec.js
+++ b/test/keychain/keychain.spec.js
@@ -2,9 +2,8 @@
 /* eslint-env mocha */
 'use strict'
 
-const { chai, expect } = require('aegir/utils/chai')
+const { expect } = require('aegir/utils/chai')
 const fail = expect.fail
-chai.use(require('chai-string'))
 const uint8ArrayFromString = require('uint8arrays/from-string')
 const uint8ArrayToString = require('uint8arrays/to-string')
 
diff --git a/test/peer-store/key-book.spec.js b/test/peer-store/key-book.spec.js
index af41a334..4e06ea2f 100644
--- a/test/peer-store/key-book.spec.js
+++ b/test/peer-store/key-book.spec.js
@@ -1,8 +1,7 @@
 'use strict'
 /* eslint-env mocha */
 
-const { chai, expect } = require('aegir/utils/chai')
-chai.use(require('chai-bytes'))
+const { expect } = require('aegir/utils/chai')
 const sinon = require('sinon')
 
 const PeerStore = require('../../src/peer-store')
diff --git a/test/peer-store/metadata-book.spec.js b/test/peer-store/metadata-book.spec.js
index 155b2205..e75ae419 100644
--- a/test/peer-store/metadata-book.spec.js
+++ b/test/peer-store/metadata-book.spec.js
@@ -1,8 +1,7 @@
 'use strict'
 /* eslint-env mocha */
 
-const { chai, expect } = require('aegir/utils/chai')
-chai.use(require('chai-bytes'))
+const { expect } = require('aegir/utils/chai')
 const uint8ArrayFromString = require('uint8arrays/from-string')
 
 const pDefer = require('p-defer')
diff --git a/test/peer-store/peer-store.node.js b/test/peer-store/peer-store.node.js
index 794de82c..d7a462ad 100644
--- a/test/peer-store/peer-store.node.js
+++ b/test/peer-store/peer-store.node.js
@@ -1,8 +1,7 @@
 'use strict'
 /* eslint-env mocha */
 
-const { chai, expect } = require('aegir/utils/chai')
-chai.use(require('chai-bytes'))
+const { expect } = require('aegir/utils/chai')
 const sinon = require('sinon')
 
 const baseOptions = require('../utils/base-options')
diff --git a/test/record/envelope.spec.js b/test/record/envelope.spec.js
index d95a925e..a99ad834 100644
--- a/test/record/envelope.spec.js
+++ b/test/record/envelope.spec.js
@@ -1,8 +1,7 @@
 'use strict'
 /* eslint-env mocha */
 
-const { chai, expect } = require('aegir/utils/chai')
-chai.use(require('chai-bytes'))
+const { expect } = require('aegir/utils/chai')
 const uint8arrayFromString = require('uint8arrays/from-string')
 const uint8arrayEquals = require('uint8arrays/equals')
 const Envelope = require('../../src/record/envelope')