diff --git a/index.html b/index.html
index cc85e95..ca4b686 100644
--- a/index.html
+++ b/index.html
@@ -64,22 +64,6 @@
       </ul>
     </div>
   </div>
-  <div class="card">
-    <div class="card-body">
-      <h3 class="card-title" id="what-is-this">How do I use this tool?</h3>
-      <p class="card-text">To start, simply type or paste in the TOTP secret key. This should be in the standard base32
-        format. This will generate 6-digit TOTP codes that update every 30 seconds using the SHA-1 algorithm that's used
-        by default in all major authenticator apps.
-      </p>
-      <p class="card-text">You can press "show advanced settings" to adjust the TOTP parameters to use non-default
-        values.
-      </p>
-      <p class="card-text">The generated codes are displayed in chronological order. The current code is shown in large
-        text. The codes above are past codes, and the codes below are future codes.</p>
-      <p class="card-text">The settings are stored in the URL hash. You can bookmark the page or copy the link to go
-        directly to a certain configuration.</p>
-    </div>
-  </div>
   <div class="card">
     <div class="card-body">
       <h3 class="card-title" id="how-to-use">How do I use this tool?</h3>
diff --git a/src/App.tsx b/src/App.tsx
index 0a5a361..1f69e27 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -5,8 +5,7 @@ import OTPOutput from './OTPOutput';
 import Select from './Select';
 import Collapsible from './Collapsible';
 import ActionLink from './ActionLink';
-import {type State, defaults, serializeState, deserializeState} from './state';
-import {HashAlgorithm} from './algorithms.tsx';
+import {defaults, serializeState, deserializeState} from './state';
 
 function parseState() {
   if (window.location.hash.startsWith('#!')) {