diff --git a/package.json b/package.json
index 471853f5..4a2d698c 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,6 @@
         "commander": "^8.0.0",
         "form-data": "^4.0.0",
         "handlebars": "^4.7.6",
-        "js-yaml": "^4.0.0",
         "json-schema-ref-parser": "^9.0.7",
         "mkdirp": "^1.0.4",
         "node-fetch": "^2.6.5",
@@ -82,7 +81,6 @@
         "@types/express": "4.17.13",
         "@types/glob": "7.1.4",
         "@types/jest": "27.0.2",
-        "@types/js-yaml": "4.0.3",
         "@types/node": "16.10.3",
         "@types/qs": "6.9.7",
         "@typescript-eslint/eslint-plugin": "4.33.0",
diff --git a/src/utils/getOpenApiSpec.spec.ts b/src/utils/getOpenApiSpec.spec.ts
deleted file mode 100644
index 8f3f0aa2..00000000
--- a/src/utils/getOpenApiSpec.spec.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { exists, readFile } from './fileSystem';
-import { getOpenApiSpec } from './getOpenApiSpec';
-
-jest.mock('./fileSystem');
-
-const existsMocked = exists as jest.MockedFunction<typeof exists>;
-const readFileMocked = readFile as jest.MockedFunction<typeof readFile>;
-
-function mockPromise<T>(value: T): Promise<T> {
-    return new Promise<T>(resolve => resolve(value));
-}
-
-describe('getOpenApiSpec', () => {
-    it('should read the json file', async () => {
-        existsMocked.mockReturnValue(mockPromise(true));
-        readFileMocked.mockReturnValue(mockPromise('{"message": "Hello World!"}'));
-        const spec = await getOpenApiSpec('spec.json');
-        expect(spec.message).toEqual('Hello World!');
-    });
-
-    it('should read the yaml file', async () => {
-        existsMocked.mockReturnValue(mockPromise(true));
-        readFileMocked.mockReturnValue(mockPromise('message: "Hello World!"'));
-        const spec = await getOpenApiSpec('spec.yaml');
-        expect(spec.message).toEqual('Hello World!');
-    });
-});
diff --git a/src/utils/getOpenApiSpec.ts b/src/utils/getOpenApiSpec.ts
index 920d4fb4..8302d238 100644
--- a/src/utils/getOpenApiSpec.ts
+++ b/src/utils/getOpenApiSpec.ts
@@ -1,8 +1,4 @@
-import { load } from 'js-yaml';
 import RefParser from 'json-schema-ref-parser';
-import { extname } from 'path';
-
-import { readSpec } from './readSpec';
 
 /**
  * Load and parse te open api spec. If the file extension is ".yml" or ".yaml"
@@ -11,26 +7,5 @@ import { readSpec } from './readSpec';
  * @param input
  */
 export async function getOpenApiSpec(input: string): Promise<any> {
-    const extension = extname(input).toLowerCase();
-    const content = await readSpec(input);
-    let rootObject: any;
-    switch (extension) {
-        case '.yml':
-        case '.yaml':
-            try {
-                rootObject = load(content);
-            } catch (e) {
-                throw new Error(`Could not parse OpenApi YAML: "${input}"`);
-            }
-            break;
-
-        default:
-            try {
-                rootObject = JSON.parse(content);
-            } catch (e) {
-                throw new Error(`Could not parse OpenApi JSON: "${input}"`);
-            }
-            break;
-    }
-    return await RefParser.bundle(rootObject);
+    return await RefParser.bundle(input);
 }