diff --git a/src/privileges/admin.js b/src/privileges/admin.js
index c29cb60050..11ef66973b 100644
--- a/src/privileges/admin.js
+++ b/src/privileges/admin.js
@@ -77,7 +77,6 @@ privsAdmin.socketMap = {
 	'admin.analytics.get': 'admin:dashboard',
 
 	'admin.categories.update': 'admin:categories',
-	'admin.categories.purge': 'admin:categories',
 	'admin.categories.copySettingsFrom': 'admin:categories',
 
 	'admin.categories.getPrivilegeSettings': 'admin:privileges',
diff --git a/src/socket.io/admin/categories.js b/src/socket.io/admin/categories.js
index 563cd310be..492d6811b3 100644
--- a/src/socket.io/admin/categories.js
+++ b/src/socket.io/admin/categories.js
@@ -11,12 +11,6 @@ Categories.getNames = async function () {
 	return await categories.getAllCategoryFields(['cid', 'name']);
 };
 
-Categories.purge = async function (socket, cid) {
-	sockets.warnDeprecated(socket, 'DELETE /api/v3/categories/:cid');
-
-	await api.categories.delete(socket, { cid: cid });
-};
-
 Categories.update = async function (socket, data) {
 	sockets.warnDeprecated(socket, 'PUT /api/v3/categories/:cid');
 
diff --git a/test/categories.js b/test/categories.js
index 1f87a60a2c..78e953f8a9 100644
--- a/test/categories.js
+++ b/test/categories.js
@@ -348,7 +348,7 @@ describe('Categories', () => {
 		});
 	});
 
-	describe('admin socket methods', () => {
+	describe('admin api/socket methods', () => {
 		const socketCategories = require('../src/socket.io/admin/categories');
 		const apiCategories = require('../src/api/categories');
 		let cid;
@@ -449,25 +449,20 @@ describe('Categories', () => {
 			assert(childrenCids.includes(String(cid)));
 		});
 
-		it('should purge category', (done) => {
-			Categories.create({
+		it('should purge category', async () => {
+			const category = await Categories.create({
 				name: 'purge me',
 				description: 'update description',
-			}, (err, category) => {
-				assert.ifError(err);
-				Topics.post({
-					uid: posterUid,
-					cid: category.cid,
-					title: 'Test Topic Title',
-					content: 'The content of test topic',
-				}, (err) => {
-					assert.ifError(err);
-					socketCategories.purge({ uid: adminUid }, category.cid, (err) => {
-						assert.ifError(err);
-						done();
-					});
-				});
 			});
+			await Topics.post({
+				uid: posterUid,
+				cid: category.cid,
+				title: 'Test Topic Title',
+				content: 'The content of test topic',
+			});
+			await apiCategories.delete({ uid: adminUid }, { cid: category.cid });
+			const data = await Categories.getCategoryById(category.cid);
+			assert.strictEqual(data, null);
 		});
 
 		it('should get all category names', (done) => {