diff --git a/src/database/redis/helpers.js b/src/database/redis/helpers.js
index dd7bf1b6af..63c91a9856 100644
--- a/src/database/redis/helpers.js
+++ b/src/database/redis/helpers.js
@@ -11,33 +11,6 @@ helpers.execBatch = async function (batch) {
 	return await proFn();
 };
 
-helpers.execKeys = function (redisClient, type, command, keys, callback) {
-	callback = callback || function () {};
-	var queue = redisClient[type]();
-	for (var i = 0; i < keys.length; i += 1) {
-		queue[command](keys[i]);
-	}
-	queue.exec(callback);
-};
-
-helpers.execKeysValue = function (redisClient, type, command, keys, value, callback) {
-	callback = callback || function () {};
-	var queue = redisClient[type]();
-	for (var i = 0; i < keys.length; i += 1) {
-		queue[command](String(keys[i]), String(value));
-	}
-	queue.exec(callback);
-};
-
-helpers.execKeyValues = function (redisClient, type, command, key, values, callback) {
-	callback = callback || function () {};
-	var queue = redisClient[type]();
-	for (var i = 0; i < values.length; i += 1) {
-		queue[command](String(key), String(values[i]));
-	}
-	queue.exec(callback);
-};
-
 helpers.resultsToBool = function (results) {
 	for (var i = 0; i < results.length; i += 1) {
 		results[i] = results[i] === 1;
diff --git a/test/controllers.js b/test/controllers.js
index 7133f3ee2a..eb61ccaa54 100644
--- a/test/controllers.js
+++ b/test/controllers.js
@@ -560,6 +560,15 @@ describe('Controllers', function () {
 		});
 	});
 
+	it('should load client.css', function (done) {
+		request(nconf.get('url') + '/assets/client.css', function (err, res, body) {
+			assert.ifError(err);
+			assert.equal(res.statusCode, 200);
+			assert(body);
+			done();
+		});
+	});
+
 	it('should load admin.css', function (done) {
 		request(nconf.get('url') + '/assets/admin.css', function (err, res, body) {
 			assert.ifError(err);
diff --git a/test/file.js b/test/file.js
index 630076bda6..423a08ca39 100644
--- a/test/file.js
+++ b/test/file.js
@@ -97,4 +97,12 @@ describe('file', function () {
 			});
 		});
 	});
+
+	it('should walk directory', function (done) {
+		file.walk(__dirname, function (err, data) {
+			assert.ifError(err);
+			assert(Array.isArray(data));
+			done();
+		});
+	});
 });