diff --git a/.gitignore b/.gitignore
index 1c4974b..41fdb29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,3 +49,4 @@ npm-debug.log*
 .DS_Store
 .lighthouseci
 .vercel
+*.hbs
diff --git a/.prettierignore b/.prettierignore
deleted file mode 100644
index 21f3596..0000000
--- a/.prettierignore
+++ /dev/null
@@ -1,7 +0,0 @@
-.next
-.lighthouseci
-coverage
-node_modules
-**/workbox-*.js
-**/sw.js
-*.hbs
diff --git a/package.json b/package.json
index 3c4d3b6..4fb137f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "lint:editorconfig": "editorconfig-checker",
     "lint:markdown": "markdownlint-cli2",
     "lint:typescript": "eslint \"**/*.{js,jsx,ts,tsx}\" --ignore-path \".gitignore\"",
-    "lint:prettier": "prettier \".\" --check",
+    "lint:prettier": "prettier \".\" --check --ignore-path \".gitignore\"",
     "lint:staged": "lint-staged",
     "test:unit": "cypress run --component",
     "test:html-w3c-validator": "start-server-and-test \"start\" \"http://localhost:3000\" \"html-w3c-validator\"",
diff --git a/tools/authentication/Authentication.ts b/tools/authentication/Authentication.ts
index 4e97dbd..5222eca 100644
--- a/tools/authentication/Authentication.ts
+++ b/tools/authentication/Authentication.ts
@@ -5,6 +5,7 @@ import { API_URL } from '../api'
 import { cookies } from '../cookies'
 import { Tokens } from '.'
 import { fetchRefreshToken } from './authenticationFromServerSide'
+import { clearCache } from '../cache'
 
 export class Authentication {
   public tokens: Tokens
@@ -99,7 +100,7 @@ export class Authentication {
 
   public signout(): void {
     cookies.remove('refreshToken')
-    window.localStorage.clear()
+    clearCache()
     window.location.href = '/authentication/signin'
   }
 
@@ -120,6 +121,7 @@ export class Authentication {
   }
 
   public signin(): void {
+    clearCache()
     cookies.set('refreshToken', this.tokens.refreshToken)
   }
 }
diff --git a/tools/cache.ts b/tools/cache.ts
index 2baa15a..355336d 100644
--- a/tools/cache.ts
+++ b/tools/cache.ts
@@ -14,7 +14,7 @@ export type CacheKey =
 export const getPaginationCache = <T extends PaginationItem>(
   key: CacheKey
 ): T[] => {
-  const cache = localStorage.getItem(key)
+  const cache = sessionStorage.getItem(key)
   if (cache != null) {
     try {
       const data = JSON.parse(cache)
@@ -30,5 +30,9 @@ export const savePaginationCache = <T extends PaginationItem>(
   key: CacheKey,
   data: T[]
 ): void => {
-  localStorage.setItem(key, JSON.stringify(data))
+  sessionStorage.setItem(key, JSON.stringify(data))
+}
+
+export const clearCache = (): void => {
+  sessionStorage.clear()
 }