diff --git a/plugins/techdocs-node/package.json b/plugins/techdocs-node/package.json
index 816dac3a00..9f8d41e9b2 100644
--- a/plugins/techdocs-node/package.json
+++ b/plugins/techdocs-node/package.json
@@ -63,7 +63,6 @@
     "js-yaml": "^4.0.0",
     "json5": "^2.1.3",
     "mime-types": "^2.1.27",
-    "mock-fs": "^5.2.0",
     "p-limit": "^3.1.0",
     "recursive-readdir": "^2.2.2",
     "winston": "^3.2.1"
@@ -74,7 +73,6 @@
     "@types/fs-extra": "^9.0.5",
     "@types/js-yaml": "^4.0.0",
     "@types/mime-types": "^2.1.0",
-    "@types/mock-fs": "^4.13.0",
     "@types/recursive-readdir": "^2.2.0",
     "@types/supertest": "^2.0.8",
     "aws-sdk-client-mock": "^2.0.0",
diff --git a/plugins/techdocs-node/src/testUtils/StorageFilesMock.ts b/plugins/techdocs-node/src/testUtils/StorageFilesMock.ts
deleted file mode 100644
index dd28110d00..0000000000
--- a/plugins/techdocs-node/src/testUtils/StorageFilesMock.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright 2020 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import os from 'os';
-import path from 'path';
-import fs from 'fs-extra';
-import { IStorageFilesMock } from './types';
-
-export const storageRootDir: string =
-  os.platform() === 'win32' ? 'C:\\rootDir' : '/rootDir';
-
-const encoding = 'utf8';
-
-export class StorageFilesMock implements IStorageFilesMock {
-  static rootDir = storageRootDir;
-
-  private files: Record<string, string>;
-
-  constructor() {
-    this.files = {};
-  }
-
-  public emptyFiles(): void {
-    this.files = {};
-  }
-
-  public fileExists(targetPath: string): boolean {
-    const filePath = path.join(storageRootDir, targetPath);
-    const posixPath = filePath.split(path.posix.sep).join(path.sep);
-    return this.files[posixPath] !== undefined;
-  }
-
-  public readFile(targetPath: string): Buffer {
-    const filePath = path.join(storageRootDir, targetPath);
-    return Buffer.from(this.files[filePath] ?? '', encoding);
-  }
-
-  public writeFile(targetPath: string, sourcePath: string): void;
-  public writeFile(targetPath: string, sourceBuffer: Buffer): void;
-  public writeFile(targetPath: string, source: string | Buffer): void {
-    const filePath = path.join(storageRootDir, targetPath);
-    if (typeof source === 'string') {
-      this.files[filePath] = fs.readFileSync(source).toString(encoding);
-    } else {
-      this.files[filePath] = source.toString(encoding);
-    }
-  }
-}
diff --git a/plugins/techdocs-node/src/testUtils/types.ts b/plugins/techdocs-node/src/testUtils/types.ts
deleted file mode 100644
index b58e004ab8..0000000000
--- a/plugins/techdocs-node/src/testUtils/types.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2020 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export interface IStorageFilesMock {
-  emptyFiles(): void;
-  fileExists(targetPath: string): boolean;
-  readFile(targetPath: string): Buffer;
-  writeFile(targetPath: string, sourcePath: string): void;
-  writeFile(targetPath: string, sourceBuffer: Buffer): void;
-  writeFile(targetPath: string, source: string | Buffer): void;
-}
diff --git a/yarn.lock b/yarn.lock
index 3b4b943ee8..334f8baae0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9681,7 +9681,6 @@ __metadata:
     "@types/fs-extra": ^9.0.5
     "@types/js-yaml": ^4.0.0
     "@types/mime-types": ^2.1.0
-    "@types/mock-fs": ^4.13.0
     "@types/recursive-readdir": ^2.2.0
     "@types/supertest": ^2.0.8
     aws-sdk-client-mock: ^2.0.0
@@ -9692,7 +9691,6 @@ __metadata:
     js-yaml: ^4.0.0
     json5: ^2.1.3
     mime-types: ^2.1.27
-    mock-fs: ^5.2.0
     p-limit: ^3.1.0
     recursive-readdir: ^2.2.2
     supertest: ^6.1.3