diff --git a/HISTORY.rst b/HISTORY.rst
index fc9a0c7b7..77fc2bdfa 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -12,6 +12,7 @@ End-User Summary
 - Starting with development of Bollonaster (VarFish v2)
 - Documenting problem with extra annotations in ``20210728` data release (#450).
   Includes instructions on how to apply patch to get ``20210728b``.
+- Removing problematic username modification behaviour on login page (#459).
 
 Full Change List
 ================
@@ -19,6 +20,7 @@ Full Change List
 - Starting with development of Bollonaster (VarFish v2)
 - Documenting problem with extra annotations in ``20210728` data release (#450).
   Includes instructions on how to apply patch to get ``20210728b``.
+- Removing problematic username modification behaviour on login page (#459).
 
 ------
 v1.2.0
diff --git a/varfish/static/js/login.js b/varfish/static/js/login.js
index 31031fbb9..e69de29bb 100644
--- a/varfish/static/js/login.js
+++ b/varfish/static/js/login.js
@@ -1,58 +0,0 @@
-/* Autofill domain in login username ---------------------------------------- */
-
-$(document).ready(function() {
-     $('#sodar-login-username').keyup(function(event) {
-        var maxLength = 255;
-        v = $(this).val();
-
-        // Fill domain
-        if (event.keyCode !== 8 && v.length > 3 &&
-            v.indexOf('@') > 0 && v.indexOf('@') < v.length - 1) {
-            var domainName = null;
-
-            if (v.charAt(v.indexOf('@') + 1).toUpperCase() === 'C') {
-                $(this).removeClass('text-danger');
-                $('#sodar-login-submit').removeClass('disabled');
-                domainName = 'CHARITE';
-            }
-
-            else if (v.charAt(v.indexOf('@') + 1).toUpperCase() === 'M') {
-                $(this).removeClass('text-danger');
-                $('#sodar-login-submit').removeClass('disabled');
-                domainName = 'MDC-BERLIN';
-            }
-
-            // Gently inform the user of an invalid domain :)
-            else {
-                $(this).addClass('text-danger');
-                $('#sodar-login-submit').addClass('disabled');
-            }
-
-            if (domainName !== null) {
-                $(this).val(v.substring(0, v.indexOf('@') + 1) + domainName);
-                $(this).attr('maxlength', $(this).val().length);
-            }
-         }
-
-        // Erase domain if backspace is pressed
-        else if (event.keyCode === 8 && v.indexOf('@') > 0) {
-            $(this).val(v.substring(0, v.indexOf('@') + 1));
-            $(this).addClass('text-danger');
-            $('#sodar-login-submit').addClass('disabled');
-            $(this).attr('maxlength', maxLength);
-        }
-
-        // Don't allow login if there is an empty domain
-        if (v.indexOf('@') === v.length - 1) {
-            $(this).addClass('text-danger');
-            $('#sodar-login-submit').addClass('disabled');
-        }
-
-        // User without domain is OK (only for local admin/test users)
-        else if (v.indexOf('@') === -1) {
-            $(this).removeClass('text-danger');
-            $('#sodar-login-submit').removeClass('disabled');
-            $(this).attr('maxlength', maxLength);
-        }
-     });
- });