diff --git a/ewpass.js b/ewpass.js
index 314f18a..ecd931c 100644
--- a/ewpass.js
+++ b/ewpass.js
@@ -35,7 +35,11 @@
         );
     };
 
-    var calcRounds = l => {
+    var storeDomains = () => {
+        Storage.setItem('domains', JSON.stringify(settings.domains));
+    };
+
+    var calcRounds = (l, allowBias) => {
         var m = 0xffffffff;
         var n = 0;
 
@@ -138,7 +142,7 @@
         ];
 
         settings.domains[currentDomain] = _settings;
-        Storage.setItem('domains', JSON.stringify(settings.domains));
+        storeDomains();
     };
 
     ns.nextIteration = () => {
@@ -182,6 +186,16 @@
         });
     };
 
+    ns.deleteDomain = () => {
+        if (Object.keys(settings.domains).indexOf($('#domain').val()) >= 0) {
+            delete settings.domains[$('#domain').val()];
+            storeDomains();
+
+            $('#domain').val('');
+            ns.loadSettingsForDomain();
+        }
+    };
+
     ns.setup = () => {
         if (Storage.getItem('checksum') != null) {
             settings.checksum = Storage.getItem('checksum');
diff --git a/index.html b/index.html
index a083a64..710bdd5 100644
--- a/index.html
+++ b/index.html
@@ -29,7 +29,10 @@
                 </tr>
                 <tr>
                     <th>Domain: </th>
-                    <td><input id="domain" list="domainlist" autocomplete="off" onchange="ewpass.checkDomainInputMatchesToOption();" onfocus="$('#domain').val('');" /><datalist id="domainlist"></datalist></td>
+                    <td>
+                        <input id="domain" list="domainlist" autocomplete="off" onchange="ewpass.checkDomainInputMatchesToOption();" onfocus="$('#domain').val('');" /><datalist id="domainlist"></datalist>
+                        <input type="button" id="deletedomain" value="Delete" onclick="ewpass.deleteDomain();" />
+                    </td>
                 </tr>
                 <tr>
                     <th>Options: </th>