diff --git a/src/lib/config-utils.ts b/src/lib/config-utils.ts
deleted file mode 100644
index d31e3827e..000000000
--- a/src/lib/config-utils.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import _ from 'lodash';
-
-import { PackageList } from '@verdaccio/types';
-import { getMatchedPackagesSpec } from '@verdaccio/utils';
-
-import { LegacyPackageList, MatchedPackage } from '../types';
-import { ErrorCode } from './utils';
-
-/**
- * Normalize user list.
- * @return {Array}
- */
-export function normalizeUserList(oldFormat: any, newFormat: any): any {
-  const result: any[][] = [];
-  /* eslint prefer-rest-params: "off" */
-
-  for (let i = 0; i < arguments.length; i++) {
-    if (arguments[i] == null) {
-      continue;
-    }
-
-    // if it's a string, split it to array
-    if (_.isString(arguments[i])) {
-      result.push(arguments[i].split(/\s+/));
-    } else if (Array.isArray(arguments[i])) {
-      result.push(arguments[i]);
-    } else {
-      throw ErrorCode.getInternalError(
-        'CONFIG: bad package acl (array or string expected): ' + JSON.stringify(arguments[i])
-      );
-    }
-  }
-  return _.flatten(result);
-}
-
-/**
- * Check whether an uplink can proxy
- */
-export function hasProxyTo(pkg: string, upLink: string, packages: PackageList): boolean {
-  const matchedPkg: MatchedPackage = getMatchedPackagesSpec(pkg, packages);
-  const proxyList = typeof matchedPkg !== 'undefined' ? matchedPkg.proxy : [];
-  if (proxyList) {
-    return proxyList.some((curr) => upLink === curr);
-  }
-
-  return false;
-}
diff --git a/src/lib/storage.ts b/src/lib/storage.ts
index 563edbcc7..76fc442c7 100644
--- a/src/lib/storage.ts
+++ b/src/lib/storage.ts
@@ -4,6 +4,7 @@ import buildDebug from 'debug';
 import _ from 'lodash';
 import { PassThrough, pipeline as streamPipeline } from 'stream';
 
+import { hasProxyTo } from '@verdaccio/config';
 import { errorUtils, pluginUtils, searchUtils, validatioUtils } from '@verdaccio/core';
 import { asyncLoadPlugin } from '@verdaccio/loaders';
 import { IProxy, ProxySearchParams, ProxyStorage } from '@verdaccio/proxy';
@@ -24,7 +25,6 @@ import { GenericBody, Token, TokenFilter } from '@verdaccio/types';
 
 import { logger } from '../lib/logger';
 import { IPluginFilters, ISyncUplinks, StringValue } from '../types';
-import { hasProxyTo } from './config-utils';
 import { API_ERROR, DIST_TAGS, HTTP_STATUS } from './constants';
 import LocalStorage from './local-storage';
 import { mergeVersions } from './metadata-utils';
diff --git a/src/types/index.ts b/src/types/index.ts
index 1d1516864..3bc424e64 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -33,8 +33,6 @@ export type LegacyPackageAccess = PackageAccess & {
   unpublish?: string[];
 };
 
-export type MatchedPackage = PackageAccess | void;
-
 export type JWTPayload = RemoteUser & {
   password?: string;
 };
diff --git a/test/unit/modules/utils/config-utils.spec.ts b/test/unit/modules/utils/config-utils.spec.ts
deleted file mode 100644
index dabdc37a9..000000000
--- a/test/unit/modules/utils/config-utils.spec.ts
+++ /dev/null
@@ -1,71 +0,0 @@
-import _ from 'lodash';
-import path from 'path';
-
-import { normalisePackageAccess } from '@verdaccio/config';
-
-import { hasProxyTo } from '../../../../src/lib/config-utils';
-import { parseConfigFile } from '../../../../src/lib/utils';
-
-describe('Config Utilities', () => {
-  const parseConfigurationFile = (conf) => {
-    const { name, ext } = path.parse(conf);
-    const format = ext.startsWith('.') ? ext.substring(1) : 'yaml';
-
-    return path.join(__dirname, `../../partials/config/${format}/${name}.${format}`);
-  };
-
-  describe('hasProxyTo', () => {
-    test('should test basic config', () => {
-      const packages = normalisePackageAccess(
-        parseConfigFile(parseConfigurationFile('pkgs-basic')).packages
-      );
-      // react
-      expect(hasProxyTo('react', 'facebook', packages)).toBeFalsy();
-      expect(hasProxyTo('react', 'google', packages)).toBeFalsy();
-      // vue
-      expect(hasProxyTo('vue', 'google', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'fake', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'npmjs', packages)).toBeTruthy();
-      // angular
-      expect(hasProxyTo('angular', 'google', packages)).toBeFalsy();
-      expect(hasProxyTo('angular', 'facebook', packages)).toBeFalsy();
-      expect(hasProxyTo('angular', 'npmjs', packages)).toBeTruthy();
-    });
-
-    test('should test resolve based on custom package access', () => {
-      const packages = normalisePackageAccess(
-        parseConfigFile(parseConfigurationFile('pkgs-custom')).packages
-      );
-      // react
-      expect(hasProxyTo('react', 'facebook', packages)).toBeTruthy();
-      expect(hasProxyTo('react', 'google', packages)).toBeFalsy();
-      // vue
-      expect(hasProxyTo('vue', 'google', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'fake', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'npmjs', packages)).toBeTruthy();
-      // angular
-      expect(hasProxyTo('angular', 'google', packages)).toBeTruthy();
-      expect(hasProxyTo('angular', 'facebook', packages)).toBeFalsy();
-      expect(hasProxyTo('angular', 'npmjs', packages)).toBeFalsy();
-    });
-
-    test('should not resolve any proxy', () => {
-      const packages = normalisePackageAccess(
-        parseConfigFile(parseConfigurationFile('pkgs-empty')).packages
-      );
-      // react
-      expect(hasProxyTo('react', 'npmjs', packages)).toBeFalsy();
-      expect(hasProxyTo('react', 'npmjs', packages)).toBeFalsy();
-      // vue
-      expect(hasProxyTo('vue', 'npmjs', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'npmjs', packages)).toBeFalsy();
-      expect(hasProxyTo('vue', 'npmjs', packages)).toBeFalsy();
-      // angular
-      expect(hasProxyTo('angular', 'npmjs', packages)).toBeFalsy();
-      expect(hasProxyTo('angular', 'npmjs', packages)).toBeFalsy();
-      expect(hasProxyTo('angular', 'npmjs', packages)).toBeFalsy();
-      // private
-      expect(hasProxyTo('private', 'fake', packages)).toBeFalsy();
-    });
-  });
-});