diff --git a/src/index.ts b/src/index.ts
index 123d26c..a3594b0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,4 @@
 import {
-  Client,
   ComponentSettings,
   Manager,
   MCEvent,
diff --git a/src/requestBuilder.ts b/src/requestBuilder.ts
index 2994beb..2d6cef6 100644
--- a/src/requestBuilder.ts
+++ b/src/requestBuilder.ts
@@ -65,7 +65,7 @@ function getToolRequest(
     // Determine if the session is engaged to set the 'seg' value
     const pageviewCounter = parseInt(client.get('pageviewCounter') || '0')
     const conversionCounter = parseInt(client.get('conversionCounter') || '0')
-    let engagementDuration = parseInt(client.get('engagementDuration') || '0')
+    const engagementDuration = parseInt(client.get('engagementDuration') || '0')
 
     // Session will be marked engaged if longer than 10 seconds, has at least 1 conversion event, and 2 or more pageviews
     if (
diff --git a/src/utils.ts b/src/utils.ts
index 8712645..92313e7 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,4 @@
-import { Client, MCEvent } from "@managed-components/types"
+import { Client, MCEvent } from '@managed-components/types'
 
 export const flattenKeys = (obj: { [k: string]: unknown } = {}, prefix = '') =>
   Object.keys(obj).reduce((acc: { [k: string]: unknown }, k) => {
@@ -59,7 +59,7 @@ export const countPageview = (client: Client) => {
 
 // conversion events in session counter
 export const countConversion = (event: MCEvent) => {
-  const {client} = event
+  const { client } = event
   let conversionCounter = parseInt(client.get('conversionCounter') || '0') || 0
   if (conversionCounter === 0 && event.payload.conversion) {
     client.set('conversionCounter', '1', { scope: 'session' })
@@ -69,4 +69,4 @@ export const countConversion = (event: MCEvent) => {
       scope: 'session',
     })
   }
-}
\ No newline at end of file
+}