diff --git a/services/web/app/src/Features/Helpers/FeatureFlag.js b/services/web/app/src/Features/Helpers/FeatureFlag.js
deleted file mode 100644
index 44f0b812aa..0000000000
--- a/services/web/app/src/Features/Helpers/FeatureFlag.js
+++ /dev/null
@@ -1,9 +0,0 @@
-function shouldDisplayFeature(req, name, variantFlag) {
-  if (req.query && req.query[name]) {
-    return req.query[name] === 'true'
-  } else {
-    return variantFlag === true
-  }
-}
-
-module.exports = { shouldDisplayFeature }
diff --git a/services/web/locales/en.json b/services/web/locales/en.json
index 98324f0f9c..4799f4197b 100644
--- a/services/web/locales/en.json
+++ b/services/web/locales/en.json
@@ -101,7 +101,6 @@
   "administration_and_security": "Administration and security",
   "advanced_reference_search": "Advanced <0>reference search</0>",
   "advanced_reference_search_mode": "Advanced reference search",
-  "advanced_search": "Advanced Search",
   "aggregate_changed": "Changed",
   "aggregate_to": "to",
   "agree_with_the_terms": "I agree with the Overleaf terms",
diff --git a/services/web/test/unit/src/HelperFiles/FeatureFlagTests.js b/services/web/test/unit/src/HelperFiles/FeatureFlagTests.js
deleted file mode 100644
index bb31a5afab..0000000000
--- a/services/web/test/unit/src/HelperFiles/FeatureFlagTests.js
+++ /dev/null
@@ -1,52 +0,0 @@
-const { expect } = require('chai')
-const SandboxedModule = require('sandboxed-module')
-const modulePath = require('path').join(
-  __dirname,
-  '../../../../app/src/Features/Helpers/FeatureFlag'
-)
-
-describe('FeatureFlag', function () {
-  beforeEach(function () {
-    this.FeatureFlag = SandboxedModule.require(modulePath, {})
-  })
-
-  describe('shouldDisplayFeature', function () {
-    describe('no req.query', function () {
-      const req = {}
-      it('should return false when variantFlag=false', function () {
-        expect(this.FeatureFlag.shouldDisplayFeature(req, '', false)).to.be
-          .false
-      })
-      it('should return true when variantFlag=true', function () {
-        expect(this.FeatureFlag.shouldDisplayFeature(req, '', true)).to.be.true
-      })
-    })
-
-    describe('req.query but no query param', function () {
-      const req = { query: {} }
-      it('should return false when variantFlag=false', function () {
-        expect(this.FeatureFlag.shouldDisplayFeature(req, '', false)).to.be
-          .false
-      })
-      it('should return true when variantFlag=true', function () {
-        expect(this.FeatureFlag.shouldDisplayFeature(req, '', true)).to.be.true
-      })
-    })
-
-    describe('req.query[name] exists', function () {
-      const paramName = 'test'
-      const req = { query: {} }
-
-      it('should return false when value is not "true"', function () {
-        req.query[paramName] = 'nope'
-        expect(this.FeatureFlag.shouldDisplayFeature(req, paramName, false)).to
-          .be.false
-      })
-      it('should return true when value is "true"', function () {
-        req.query[paramName] = 'true'
-        expect(this.FeatureFlag.shouldDisplayFeature(req, paramName, false)).to
-          .be.true
-      })
-    })
-  })
-})