diff --git a/lib/QueryBuilder.js b/lib/QueryBuilder.js
index e85cf51..807f049 100755
--- a/lib/QueryBuilder.js
+++ b/lib/QueryBuilder.js
@@ -95,9 +95,9 @@ module.exports = class QueryBuilder {
 
 		like = `${field} ${like} ?`;
 
-		if (pos == 'before') {
+		if (pos === 'before') {
 			val = `%${val}`;
-		} else if (pos == 'after') {
+		} else if (pos === 'after') {
 			val = `${val}%`;
 		} else {
 			val = `%${val}%`;
@@ -261,12 +261,6 @@ module.exports = class QueryBuilder {
 			vals = this.state.values.concat(this.state.whereValues);
 		}
 
-//console.log(this.state);
-//console.log(sql);
-//console.log(vals);
-//console.log(callback);
-//console.log('------------------------');
-
 		// Reset the state so another query can be built
 		this._resetState();
 
diff --git a/lib/drivers/Firebird.js b/lib/drivers/Firebird.js
index 4b67cd5..495d15a 100644
--- a/lib/drivers/Firebird.js
+++ b/lib/drivers/Firebird.js
@@ -35,12 +35,10 @@ module.exports = (function() {
 	/**
 	 * SQL to insert a group of rows
 	 *
-	 * @param {String} table - The table to insert to
-	 * @param {Array} [data] - The array of object containing data to insert
 	 * @return {void}
 	 * @throws {Error}
 	 */
-	driver.insertBatch = function(table, data) {
+	driver.insertBatch = function() {
 		throw new Error('Not Implemented');
 	};
 
diff --git a/lib/drivers/Sqlite.js b/lib/drivers/Sqlite.js
index b3ff336..d2110d9 100644
--- a/lib/drivers/Sqlite.js
+++ b/lib/drivers/Sqlite.js
@@ -7,8 +7,7 @@
  */
 module.exports = (function() {
 	delete require.cache[require.resolve('../Driver')];
-	let driver = require('../Driver'),
-		helpers = require('../helpers');
+	let driver = require('../Driver');
 
 	// Sqlite doesn't have a truncate command
 	driver.hasTruncate = false;
@@ -29,10 +28,7 @@ module.exports = (function() {
 			vals = [],
 			cols = [],
 			fields = [],
-			first = data.shift(),
-			params = [],
-			paramString = '',
-			paramList = [];
+			first = data.shift();
 
 		data.forEach(obj => {
 			let row = [];
@@ -47,7 +43,7 @@ module.exports = (function() {
 		// Get the field names from the keys of the first
 		// object to be inserted
 		fields = Object.keys(first);
-		Object.keys(first).forEach(key => {
+		fields.forEach(key => {
 			cols.push(`'${driver._quote(first[key])}' AS ${driver.quoteIdentifiers(key)}`);
 		});
 
diff --git a/lib/helpers.js b/lib/helpers.js
index b493309..3280079 100755
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -53,7 +53,9 @@ let helpers = {
 		let output = [];
 
 		// Empty case
-		if (arr.length === 0) return output;
+		if (arr.length === 0) {
+			return output;
+		}
 
 		arr.forEach(obj => {
 			if (! helpers.isUndefined(obj[key])) {