diff --git a/.internal/compareMultiple.js b/.internal/compareMultiple.js
index b29b905c5..0d9fc2d87 100644
--- a/.internal/compareMultiple.js
+++ b/.internal/compareMultiple.js
@@ -22,9 +22,9 @@ function compareMultiple(object, other, orders) {
   const ordersLength = orders.length
 
   while (++index < length) {
-    var order = index < ordersLength ? orders[index] : null
-    var cmpFn = (order && typeof order === 'function') ? order: compareAscending
-    var result = cmpFn(objCriteria[index], othCriteria[index])
+    const order = index < ordersLength ? orders[index] : null
+    const cmpFn = (order && typeof order === 'function') ? order: compareAscending
+    const result = cmpFn(objCriteria[index], othCriteria[index])
     if (result) {
       if (order && typeof order !== 'function') {
         return result * (order == 'desc' ? -1 : 1)
diff --git a/uniqueId.js b/uniqueId.js
index c8072dbc0..0c7022ea2 100644
--- a/uniqueId.js
+++ b/uniqueId.js
@@ -1,5 +1,5 @@
 /** Used to generate unique IDs. */
-let idCounter = {}
+const idCounter = {}
 
 /**
  * Generates a unique ID. If `prefix` is given, the ID is appended to it.
@@ -18,12 +18,12 @@ let idCounter = {}
  * // => '105'
  */
 function uniqueId(prefix='$lodash$') {
-  if(!idCounter[prefix]){
+  if (!idCounter[prefix]) {
     idCounter[prefix] = 0
   }
 
   const id =++idCounter[prefix]
-  if(prefix === '$lodash$') {
+  if (prefix === '$lodash$') {
     return `${id}`
   }