diff --git a/config/identity/ownership/token.json b/config/identity/ownership/token.json
index 8a6ec1105..a940e4730 100644
--- a/config/identity/ownership/token.json
+++ b/config/identity/ownership/token.json
@@ -5,6 +5,7 @@
       "comment": "Determines WebID ownership by requesting a specific value to be added to the WebID document",
       "@id": "urn:solid-server:auth:password:OwnershipValidator",
       "@type": "TokenOwnershipValidator",
+      "converter": { "@id": "urn:solid-server:default:RepresentationConverter" },
       "storage": { "@id": "urn:solid-server:default:ExpiringIdpStorage" }
     }
   ]
diff --git a/package-lock.json b/package-lock.json
index d1b899af7..cd9f424ed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,6 @@
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-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        }
-      }
-    },
     "readable-stream": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
@@ -30023,14 +28980,6 @@
       "resolved": "https://registry.npmjs.org/readable-stream-node-to-web/-/readable-stream-node-to-web-1.0.1.tgz",
       "integrity": "sha1-i3YU+qFGXr+g2pucpjA/onBzt88="
     },
-    "readable-to-readable": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/readable-to-readable/-/readable-to-readable-0.1.3.tgz",
-      "integrity": "sha512-G+0kz01xJM/uTuItKcqC73cifW8S6CZ7tp77NLN87lE5mrSU+GC8geoSAlfmp0NocmXckQ7W8s8ns73HYsIA3w==",
-      "requires": {
-        "readable-stream": "^3.6.0"
-      }
-    },
     "readdirp": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
@@ -30132,40 +29081,6 @@
       "resolved": "https://registry.npmjs.org/relative-to-absolute-iri/-/relative-to-absolute-iri-1.0.6.tgz",
       "integrity": "sha512-Xw5/Zx6iWSCMJUXwXVOjySjH8Xli4hVFL9QQFvkl1qEmFBG94J+QUI9emnoctOCD3285f1jNV+QWV9eDYwIdfQ=="
     },
-    "request": {
-      "version": "2.88.2",
-      "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
-      "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
-      "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.8.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.6",
-        "extend": "~3.0.2",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.2",
-        "har-validator": "~5.1.3",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.19",
-        "oauth-sign": "~0.9.0",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.2",
-        "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.5.0",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.3.2"
-      },
-      "dependencies": {
-        "uuid": {
-          "version": "3.4.0",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
-          "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
-        }
-      }
-    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -30639,22 +29554,6 @@
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
-    "sshpk": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
-      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
-      "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
-      }
-    },
     "stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
@@ -31059,15 +29958,6 @@
         "nopt": "~1.0.10"
       }
     },
-    "tough-cookie": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
-      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
-      "requires": {
-        "psl": "^1.1.28",
-        "punycode": "^2.1.1"
-      }
-    },
     "tr46": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
@@ -31154,19 +30044,6 @@
         "tslib": "^1.8.1"
       }
     },
-    "tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "tweetnacl": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
-    },
     "type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -31197,11 +30074,6 @@
         "mime-types": "~2.1.24"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
-    },
     "typedarray-to-buffer": {
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
@@ -31366,6 +30238,7 @@
       "version": "4.4.0",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.0.tgz",
       "integrity": "sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==",
+      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
@@ -31444,16 +30317,6 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
-    "verror": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "requires": {
-        "assert-plus": "^1.0.0",
-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      }
-    },
     "vscode-textmate": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/vscode-textmate/-/vscode-textmate-5.2.0.tgz",
@@ -31736,11 +30599,6 @@
       "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
       "dev": true
     },
-    "xmldom": {
-      "version": "0.1.19",
-      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.19.tgz",
-      "integrity": "sha1-Yx/Ad3bv2EEYvyUXGzftTQdaCrw="
-    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/package.json b/package.json
index 33484bb2c..521509eb3 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,6 @@
   "dependencies": {
     "@comunica/actor-init-sparql": "^1.21.3",
     "@rdfjs/data-model": "^1.2.0",
-    "@rdfjs/fetch": "^2.1.0",
     "@solid/access-token-verifier": "^0.10.0",
     "@types/arrayify-stream": "^1.0.0",
     "@types/async-lock": "^1.1.2",
@@ -93,8 +92,6 @@
     "@types/pump": "^1.1.1",
     "@types/punycode": "^2.1.0",
     "@types/rdf-js": "^4.0.2",
-    "@types/rdfjs__fetch": "^2.0.3",
-    "@types/rdfjs__fetch-lite": "^2.0.3",
     "@types/redis": "^2.8.30",
     "@types/redlock": "^4.0.1",
     "@types/sparqljs": "^3.1.2",
diff --git a/src/identity/ownership/TokenOwnershipValidator.ts b/src/identity/ownership/TokenOwnershipValidator.ts
index 1558d582c..d025e698a 100644
--- a/src/identity/ownership/TokenOwnershipValidator.ts
+++ b/src/identity/ownership/TokenOwnershipValidator.ts
@@ -1,6 +1,8 @@
+import type { Quad } from 'n3';
 import { DataFactory } from 'n3';
 import { v4 } from 'uuid';
 import { getLoggerFor } from '../../logging/LogUtil';
+import type { RepresentationConverter } from '../../storage/conversion/RepresentationConverter';
 import type { ExpiringStorage } from '../../storage/keyvalue/ExpiringStorage';
 import { BadRequestHttpError } from '../../util/errors/BadRequestHttpError';
 import { fetchDataset } from '../../util/FetchUtil';
@@ -15,11 +17,13 @@ const { literal, namedNode, quad } = DataFactory;
 export class TokenOwnershipValidator extends OwnershipValidator {
   protected readonly logger = getLoggerFor(this);
 
+  private readonly converter: RepresentationConverter;
   private readonly storage: ExpiringStorage<string, string>;
   private readonly expiration: number;
 
-  public constructor(storage: ExpiringStorage<string, string>, expiration = 30) {
+  public constructor(converter: RepresentationConverter, storage: ExpiringStorage<string, string>, expiration = 30) {
     super();
+    this.converter = converter;
     this.storage = storage;
     // Convert minutes to milliseconds
     this.expiration = expiration * 60 * 1000;
@@ -37,9 +41,7 @@ export class TokenOwnershipValidator extends OwnershipValidator {
     }
 
     // Verify if the token can be found in the WebId
-    const dataset = await fetchDataset(webId);
-    const expectedQuad = quad(namedNode(webId), SOLID.terms.oidcIssuerRegistrationToken, literal(token));
-    if (!dataset.has(expectedQuad)) {
+    if (!await this.hasToken(webId, token)) {
       this.throwError(webId, token);
     }
     this.logger.debug(`Verified ownership of ${webId}`);
@@ -60,6 +62,22 @@ export class TokenOwnershipValidator extends OwnershipValidator {
     return v4();
   }
 
+  /**
+   * Fetches data from the WebID to determine if the token is present.
+   */
+  private async hasToken(webId: string, token: string): Promise<boolean> {
+    const representation = await fetchDataset(webId, this.converter);
+    const expectedQuad = quad(namedNode(webId), SOLID.terms.oidcIssuerRegistrationToken, literal(token));
+    for await (const data of representation.data) {
+      const triple = data as Quad;
+      if (triple.equals(expectedQuad)) {
+        representation.data.destroy();
+        return true;
+      }
+    }
+    return false;
+  }
+
   /**
    * Throws an error containing the description of which triple is needed for verification.
    */
diff --git a/src/identity/storage/WebIdAdapterFactory.ts b/src/identity/storage/WebIdAdapterFactory.ts
index b618e3d8f..c29c334aa 100644
--- a/src/identity/storage/WebIdAdapterFactory.ts
+++ b/src/identity/storage/WebIdAdapterFactory.ts
@@ -1,12 +1,12 @@
 import type { Response } from 'cross-fetch';
 import { fetch } from 'cross-fetch';
-import { Store } from 'n3';
+import type { Quad } from 'n3';
 import type { Adapter, AdapterPayload } from 'oidc-provider';
-import { BasicRepresentation } from '../../ldp/representation/BasicRepresentation';
 import { getLoggerFor } from '../../logging/LogUtil';
 import type { RepresentationConverter } from '../../storage/conversion/RepresentationConverter';
-import { INTERNAL_QUADS } from '../../util/ContentTypes';
 import { createErrorMessage } from '../../util/errors/ErrorUtil';
+import { fetchDataset } from '../../util/FetchUtil';
+import { OIDC } from '../../util/Vocabularies';
 import type { AdapterFactory } from './AdapterFactory';
 
 /* eslint-disable @typescript-eslint/naming-convention */
@@ -84,29 +84,27 @@ export class WebIdAdapter implements Adapter {
     return payload;
   }
 
+  /**
+   * Parses RDF data found at a client WebID.
+   * @param data - Raw data from the WebID.
+   * @param id - The actual WebID.
+   * @param response - Response object from the request.
+   */
   private async parseRdfWebId(data: string, id: string, response: Response): Promise<AdapterPayload> {
-    const contentType = response.headers.get('content-type');
-    if (!contentType) {
-      throw new Error(`No content-type received for client WebID ${id}`);
+    const representation = await fetchDataset(response, this.converter, data);
+
+    // Find the valid redirect URIs
+    const redirectUris: string[] = [];
+    for await (const entry of representation.data) {
+      const triple = entry as Quad;
+      if (triple.predicate.equals(OIDC.terms.redirect_uris)) {
+        redirectUris.push(triple.object.value);
+      }
     }
 
-    // Try to convert to quads
-    const representation = new BasicRepresentation(data, contentType);
-    const preferences = { type: { [INTERNAL_QUADS]: 1 }};
-    const converted = await this.converter.handleSafe({ representation, identifier: { path: id }, preferences });
-    const quads = new Store();
-    const importer = quads.import(converted.data);
-    await new Promise((resolve, reject): void => {
-      importer.on('end', resolve);
-      importer.on('error', reject);
-    });
-
-    // Find the valid redirect uris
-    const match = quads.getObjects(id, 'http://www.w3.org/ns/solid/oidc#redirect_uris', null);
-
     return {
       client_id: id,
-      redirect_uris: match.map((node): string => node.value),
+      redirect_uris: redirectUris,
     };
   }
 
diff --git a/src/util/FetchUtil.ts b/src/util/FetchUtil.ts
index e03a5182b..76d675054 100644
--- a/src/util/FetchUtil.ts
+++ b/src/util/FetchUtil.ts
@@ -1,29 +1,54 @@
-import fetch from '@rdfjs/fetch';
-import type { DatasetResponse } from '@rdfjs/fetch-lite';
-import type { Dataset } from 'rdf-js';
+import type { Response } from 'cross-fetch';
+import { fetch } from 'cross-fetch';
+import { BasicRepresentation } from '../ldp/representation/BasicRepresentation';
+import type { Representation } from '../ldp/representation/Representation';
 import { getLoggerFor } from '../logging/LogUtil';
-import { createErrorMessage } from './errors/ErrorUtil';
+import type { RepresentationConverter } from '../storage/conversion/RepresentationConverter';
+import { INTERNAL_QUADS } from './ContentTypes';
+import { BadRequestHttpError } from './errors/BadRequestHttpError';
 
 const logger = getLoggerFor('FetchUtil');
 
 /**
  * Fetches an RDF dataset from the given URL.
+ * Input can also be a Response if the request was already made.
+ * In case the given Response object was already parsed its body can be passed along as a string.
+ *
+ * The converter will be used to convert the response body to RDF.
+ *
+ * Response will be a Representation with content-type internal/quads.
  */
-export async function fetchDataset(url: string): Promise<Dataset> {
-  let rawResponse: DatasetResponse<Dataset>;
-  try {
-    rawResponse = (await fetch(url)) as DatasetResponse<Dataset>;
-  } catch (err: unknown) {
-    logger.error(`Cannot fetch ${url}: ${createErrorMessage(err)}`);
-    throw new Error(`Cannot fetch ${url}`);
+export async function fetchDataset(url: string, converter: RepresentationConverter): Promise<Representation>;
+export async function fetchDataset(response: Response, converter: RepresentationConverter, body?: string):
+Promise<Representation>;
+export async function fetchDataset(input: string | Response, converter: RepresentationConverter, body?: string):
+Promise<Representation> {
+  let response: Response;
+  if (typeof input === 'string') {
+    response = await fetch(input);
+  } else {
+    response = input;
   }
-  let dataset: Dataset;
-  try {
-    dataset = await rawResponse.dataset();
-  } catch (err: unknown) {
-    logger.error(`Could not parse RDF in ${url}: ${createErrorMessage(err)}`);
-    // Keeping the error message the same to prevent leaking possible information about intranet
-    throw new Error(`Cannot fetch ${url}`);
+  if (!body) {
+    body = await response.text();
   }
-  return dataset;
+
+  // Keeping the error message the same everywhere to prevent leaking possible information about intranet.
+  const error = new BadRequestHttpError(`Unable to access data at ${response.url}`);
+
+  if (response.status !== 200) {
+    logger.warn(`Cannot fetch ${response.url}: ${body}`);
+    throw error;
+  }
+
+  const contentType = response.headers.get('content-type');
+  if (!contentType) {
+    logger.warn(`Missing content-type header from ${response.url}`);
+    throw error;
+  }
+
+  // Try to convert to quads
+  const representation = new BasicRepresentation(body, contentType);
+  const preferences = { type: { [INTERNAL_QUADS]: 1 }};
+  return converter.handleSafe({ representation, identifier: { path: response.url }, preferences });
 }
diff --git a/src/util/Vocabularies.ts b/src/util/Vocabularies.ts
index c37cd0207..64480aa3e 100644
--- a/src/util/Vocabularies.ts
+++ b/src/util/Vocabularies.ts
@@ -100,6 +100,10 @@ export const MA = createUriAndTermNamespace('http://www.w3.org/ns/ma-ont#',
   'format',
 );
 
+export const OIDC = createUriAndTermNamespace('http://www.w3.org/ns/solid/oidc#',
+  'redirect_uris',
+);
+
 export const PIM = createUriAndTermNamespace('http://www.w3.org/ns/pim/space#',
   'Storage',
 );
diff --git a/test/unit/identity/ownership/TokenOwnershipValidator.test.ts b/test/unit/identity/ownership/TokenOwnershipValidator.test.ts
index be2b2dbcb..34bcfd3e1 100644
--- a/test/unit/identity/ownership/TokenOwnershipValidator.test.ts
+++ b/test/unit/identity/ownership/TokenOwnershipValidator.test.ts
@@ -1,15 +1,14 @@
-import fetch from '@rdfjs/fetch';
-import type { DatasetResponse } from '@rdfjs/fetch-lite';
+import { fetch } from 'cross-fetch';
 import { DataFactory } from 'n3';
 import type { Quad } from 'n3';
-import type { DatasetCore } from 'rdf-js';
 import { v4 } from 'uuid';
 import { TokenOwnershipValidator } from '../../../../src/identity/ownership/TokenOwnershipValidator';
+import { RdfToQuadConverter } from '../../../../src/storage/conversion/RdfToQuadConverter';
 import type { ExpiringStorage } from '../../../../src/storage/keyvalue/ExpiringStorage';
 import { SOLID } from '../../../../src/util/Vocabularies';
 const { literal, namedNode, quad } = DataFactory;
 
-jest.mock('@rdfjs/fetch');
+jest.mock('cross-fetch');
 jest.mock('uuid');
 
 function quadToString(qq: Quad): string {
@@ -24,26 +23,25 @@ describe('A TokenOwnershipValidator', (): void => {
   const fetchMock: jest.Mock = fetch as any;
   const webId = 'http://alice.test.com/#me';
   const token = 'randomlyGeneratedToken';
-  let rawResponse: DatasetResponse<DatasetCore>;
-  let dataset: DatasetCore;
-  let triples: Quad[];
   const tokenTriple = quad(namedNode(webId), SOLID.terms.oidcIssuerRegistrationToken, literal(token));
+  const tokenString = `${quadToString(tokenTriple)} .`;
+  const converter = new RdfToQuadConverter();
   let storage: ExpiringStorage<string, string>;
   let validator: TokenOwnershipValidator;
 
+  function mockFetch(body: string): void {
+    fetchMock.mockImplementation((url: string): any => ({
+      text: (): any => body,
+      url,
+      status: 200,
+      headers: { get: (): any => 'text/turtle' },
+    }));
+  }
+
   beforeEach(async(): Promise<void> => {
     const now = Date.now();
     jest.spyOn(Date, 'now').mockReturnValue(now);
     (v4 as jest.Mock).mockReturnValue(token);
-    triples = [];
-
-    dataset = {
-      has: (qq: Quad): boolean => triples.some((triple): boolean => triple.equals(qq)),
-    } as any;
-
-    rawResponse = {
-      dataset: async(): Promise<DatasetCore> => dataset,
-    } as any;
 
     const map = new Map<string, any>();
     storage = {
@@ -52,40 +50,41 @@ describe('A TokenOwnershipValidator', (): void => {
       delete: jest.fn().mockImplementation((key: string): any => map.delete(key)),
     } as any;
 
-    fetchMock.mockReturnValue(rawResponse);
+    mockFetch('');
 
-    validator = new TokenOwnershipValidator(storage);
+    validator = new TokenOwnershipValidator(converter, storage);
   });
 
   it('errors if no token is stored in the storage.', async(): Promise<void> => {
     // Even if the token is in the WebId, it will error since it's not in the storage
-    triples = [ tokenTriple ];
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    mockFetch(tokenString);
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
     expect(fetch).toHaveBeenCalledTimes(0);
   });
 
   it('errors if the expected triple is missing.', async(): Promise<void> => {
     // First call will add the token to the storage
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
     expect(fetch).toHaveBeenCalledTimes(0);
     // Second call will fetch the WebId
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
     expect(fetch).toHaveBeenCalledTimes(1);
   });
 
   it('resolves if the WebId contains the verification triple.', async(): Promise<void> => {
-    triples = [ tokenTriple ];
+    mockFetch(tokenString);
     // First call will add the token to the storage
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
     // Second call will succeed since it has the verification triple
     await expect(validator.handle({ webId })).resolves.toBeUndefined();
   });
 
   it('fails if the WebId contains the wrong verification triple.', async(): Promise<void> => {
-    triples = [ quad(namedNode(webId), SOLID.terms.oidcIssuerRegistrationToken, literal('wrongToken')) ];
+    const wrongQuad = quad(namedNode(webId), SOLID.terms.oidcIssuerRegistrationToken, literal('wrongToken'));
+    mockFetch(`${quadToString(wrongQuad)} .`);
     // First call will add the token to the storage
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
     // Second call will fail since it has the wrong verification triple
-    await expect(validator.handle({ webId })).rejects.toThrow(quadToString(tokenTriple));
+    await expect(validator.handle({ webId })).rejects.toThrow(tokenString);
   });
 });
diff --git a/test/unit/identity/storage/WebIdAdapterFactory.test.ts b/test/unit/identity/storage/WebIdAdapterFactory.test.ts
index 3a70c6fd5..be901987d 100644
--- a/test/unit/identity/storage/WebIdAdapterFactory.test.ts
+++ b/test/unit/identity/storage/WebIdAdapterFactory.test.ts
@@ -10,7 +10,6 @@ jest.mock('cross-fetch');
 describe('A WebIdAdapterFactory', (): void => {
   const fetchMock: jest.Mock = fetch as any;
   const id = 'https://app.test.com/card#me';
-  let data: string;
   let json: any;
   let rdf: string;
   let source: Adapter;
@@ -34,7 +33,7 @@ describe('A WebIdAdapterFactory', (): void => {
     };
     rdf = `<${id}> <http://www.w3.org/ns/solid/oidc#redirect_uris> <http://test.com>.`;
 
-    fetchMock.mockReturnValue({ text: (): any => data });
+    fetchMock.mockImplementation((url: string): any => ({ text: (): any => '', url, status: 200 }));
 
     source = {
       upsert: jest.fn(),
@@ -110,12 +109,12 @@ describe('A WebIdAdapterFactory', (): void => {
   });
 
   it('errors if the client ID requests does not respond with 200.', async(): Promise<void> => {
-    fetchMock.mockResolvedValueOnce({ status: 400, text: (): string => 'error' });
+    fetchMock.mockResolvedValueOnce({ url: id, status: 400, text: (): string => 'error' });
     await expect(adapter.find(id)).rejects.toThrow(`Unable to access data at ${id}: error`);
   });
 
   it('can handle a valid JSON-LD response.', async(): Promise<void> => {
-    fetchMock.mockResolvedValueOnce({ status: 200, text: (): string => JSON.stringify(json) });
+    fetchMock.mockResolvedValueOnce({ url: id, status: 200, text: (): string => JSON.stringify(json) });
     await expect(adapter.find(id)).resolves.toEqual({
       ...json,
       token_endpoint_auth_method: 'none',
@@ -124,14 +123,14 @@ describe('A WebIdAdapterFactory', (): void => {
 
   it('errors if there is a client_id mismatch.', async(): Promise<void> => {
     json.client_id = 'someone else';
-    fetchMock.mockResolvedValueOnce({ status: 200, text: (): string => JSON.stringify(json) });
+    fetchMock.mockResolvedValueOnce({ url: id, status: 200, text: (): string => JSON.stringify(json) });
     await expect(adapter.find(id)).rejects
       .toThrow('The client registration `client_id` field must match the client WebID');
   });
 
   it('can handle a valid RDF response.', async(): Promise<void> => {
     fetchMock.mockResolvedValueOnce(
-      { status: 200, text: (): string => rdf, headers: { get: (): any => 'text/turtle' }},
+      { url: id, status: 200, text: (): string => rdf, headers: { get: (): any => 'text/turtle' }},
     );
     await expect(adapter.find(id)).resolves.toEqual({
       client_id: id,
@@ -147,7 +146,10 @@ describe('A WebIdAdapterFactory', (): void => {
       'http://randomField': { '@value': 'this will not be there since RDF parsing only takes preset fields' },
     };
     fetchMock.mockResolvedValueOnce(
-      { status: 200, text: (): string => JSON.stringify(json), headers: { get: (): any => 'application/ld+json' }},
+      { url: id,
+        status: 200,
+        text: (): string => JSON.stringify(json),
+        headers: { get: (): any => 'application/ld+json' }},
     );
     await expect(adapter.find(id)).resolves.toEqual({
       client_id: id,
@@ -158,9 +160,9 @@ describe('A WebIdAdapterFactory', (): void => {
 
   it('errors if there is no content-type.', async(): Promise<void> => {
     fetchMock.mockResolvedValueOnce(
-      { status: 200, text: (): string => rdf, headers: { get: jest.fn() }},
+      { url: id, status: 200, text: (): string => rdf, headers: { get: jest.fn() }},
     );
     await expect(adapter.find(id)).rejects
-      .toThrow(`No content-type received for client WebID ${id}`);
+      .toThrow(`Unable to access data at ${id}`);
   });
 });
diff --git a/test/unit/util/FetchUtil.test.ts b/test/unit/util/FetchUtil.test.ts
index a41a6be85..d08fa4c22 100644
--- a/test/unit/util/FetchUtil.test.ts
+++ b/test/unit/util/FetchUtil.test.ts
@@ -1,38 +1,55 @@
-import fetch from '@rdfjs/fetch';
-import type { DatasetResponse } from '@rdfjs/fetch-lite';
-import type { Dataset } from 'rdf-js';
+import arrayifyStream from 'arrayify-stream';
+import { fetch } from 'cross-fetch';
+import { DataFactory } from 'n3';
+import { RdfToQuadConverter } from '../../../src/storage/conversion/RdfToQuadConverter';
 import { fetchDataset } from '../../../src/util/FetchUtil';
+const { namedNode, quad } = DataFactory;
 
-jest.mock('@rdfjs/fetch');
+jest.mock('cross-fetch');
 
 describe('FetchUtil', (): void => {
   describe('#fetchDataset', (): void => {
     const fetchMock: jest.Mock = fetch as any;
     const url = 'http://test.com/foo';
-    let datasetResponse: DatasetResponse<Dataset>;
-    const dataset: Dataset = {} as any;
+    const converter = new RdfToQuadConverter();
 
-    beforeEach(async(): Promise<void> => {
-      datasetResponse = {
-        dataset: jest.fn().mockReturnValue(dataset),
-      } as any;
+    function mockFetch(body: string, status = 200): void {
+      fetchMock.mockImplementation((input: string): any => ({
+        text: (): any => body,
+        url: input,
+        status,
+        headers: { get: (): any => 'text/turtle' },
+      }));
+    }
 
-      fetchMock.mockResolvedValue(datasetResponse);
-    });
-
-    it('errors if there was an issue fetching.', async(): Promise<void> => {
-      fetchMock.mockRejectedValueOnce(new Error('Invalid webId!'));
-      await expect(fetchDataset(url)).rejects.toThrow(`Cannot fetch ${url}`);
+    it('errors if the status code is not 200.', async(): Promise<void> => {
+      mockFetch('Invalid URL!', 404);
+      await expect(fetchDataset(url, converter)).rejects.toThrow(`Unable to access data at ${url}`);
       expect(fetchMock).toHaveBeenCalledWith(url);
     });
 
-    it('errors if there was an issue parsing the returned RDF.', async(): Promise<void> => {
-      (datasetResponse.dataset as jest.Mock).mockRejectedValueOnce(new Error('Invalid RDF!'));
-      await expect(fetchDataset(url)).rejects.toThrow(`Cannot fetch ${url}`);
+    it('errors if there is no content-type.', async(): Promise<void> => {
+      fetchMock.mockResolvedValueOnce({ url, text: (): any => '', status: 200, headers: { get: jest.fn() }});
+      await expect(fetchDataset(url, converter)).rejects.toThrow(`Unable to access data at ${url}`);
+      expect(fetchMock).toHaveBeenCalledWith(url);
     });
 
-    it('returns the resulting Dataset.', async(): Promise<void> => {
-      await expect(fetchDataset(url)).resolves.toBe(dataset);
+    it('returns a Representation with quads.', async(): Promise<void> => {
+      mockFetch('<http://test.com/s> <http://test.com/p> <http://test.com/o>.');
+      const representation = await fetchDataset(url, converter);
+      await expect(arrayifyStream(representation.data)).resolves.toEqual([
+        quad(namedNode('http://test.com/s'), namedNode('http://test.com/p'), namedNode('http://test.com/o')),
+      ]);
+    });
+
+    it('accepts Response objects as input.', async(): Promise<void> => {
+      mockFetch('<http://test.com/s> <http://test.com/p> <http://test.com/o>.');
+      const response = await fetch(url);
+      const body = await response.text();
+      const representation = await fetchDataset(response, converter, body);
+      await expect(arrayifyStream(representation.data)).resolves.toEqual([
+        quad(namedNode('http://test.com/s'), namedNode('http://test.com/p'), namedNode('http://test.com/o')),
+      ]);
     });
   });
 });