diff --git a/lib/web.js b/lib/web.js
index 774a959d..f51e3693 100644
--- a/lib/web.js
+++ b/lib/web.js
@@ -61,17 +61,9 @@ export const setItem = (key, data, session) => {
   }
 };
 
-function tryParse(value) {
-  try {
-    return JSON.parse(value);
-  } catch {
-    return undefined;
-  }
-}
-
 export const getItem = (key, session) =>
   typeof window !== 'undefined'
-    ? tryParse((session ? sessionStorage : localStorage).getItem(key))
+    ? JSON.parse((session ? sessionStorage : localStorage).getItem(key) || null)
     : null;
 
 export const removeItem = (key, session) => {
diff --git a/rollup.tracker.config.js b/rollup.tracker.config.js
index 5d2938ee..405c0463 100644
--- a/rollup.tracker.config.js
+++ b/rollup.tracker.config.js
@@ -1,6 +1,4 @@
-import 'dotenv/config';
 import buble from '@rollup/plugin-buble';
-import resolve from '@rollup/plugin-node-resolve';
 import { terser } from 'rollup-plugin-terser';
 
 export default {
@@ -9,5 +7,5 @@ export default {
     file: 'public/umami.js',
     format: 'iife',
   },
-  plugins: [resolve(), buble({ objectAssign: true }), terser({ compress: { evaluate: false } })],
+  plugins: [buble({ objectAssign: true }), terser({ compress: { evaluate: false } })],
 };