@@ -104,7 +104,7 @@ module.exports = class RuleSet {
 		if(typeof rule !== "object")
 			throw new Error("Unexcepted " + typeof rule + " when object was expected as rule (" + rule + ")");
 
-		let newRule = {};
+		const newRule = {};
 		let useSource;
 		let resourceSource;
 		let condition;
@@ -265,7 +265,7 @@ module.exports = class RuleSet {
 			return RuleSet.normalizeUseItemString(item);
 		}
 
-		let newItem = {};
+		const newItem = {};
 
 		if(item.options && item.query)
 			throw new Error("Provided options and query in use");
@@ -312,7 +312,7 @@ module.exports = class RuleSet {
 		if(typeof condition !== "object")
 			throw Error("Unexcepted " + typeof condition + " when condition was expected (" + condition + ")");
 
-		let matchers = [];
+		const matchers = [];
 		Object.keys(condition).forEach(key => {
 			const value = condition[key];
 			switch(key) {