diff --git a/src/Iterators/LDAPIterator.php b/src/Iterators/LDAPIterator.php
index dc3c534..f9a8ea8 100644
--- a/src/Iterators/LDAPIterator.php
+++ b/src/Iterators/LDAPIterator.php
@@ -121,10 +121,7 @@ private function fetchPagedResult(): bool
             $resultResource = ldap_search($resource, $baseDn ?? '', $this->getFilter() ?? '');
         }
         if (! is_resource($resultResource)) {
-            /*
-             * @TODO better exception msg
-             */
-            throw new \Exception('ldap_search returned something wrong...' . ldap_error($resource));
+            throw new \Exception('ldap_search returned a non-resource type value' . ldap_error($resource));
         }
 
         $entries = ldap_get_entries($resource, $resultResource);
diff --git a/src/Model/LDAPGateway.php b/src/Model/LDAPGateway.php
index d9e78df..e4f42e9 100644
--- a/src/Model/LDAPGateway.php
+++ b/src/Model/LDAPGateway.php
@@ -364,7 +364,6 @@ public function getUserByUsername($username, $baseDn = null, $scope = Ldap::SEAR
                 $filter = sprintf('(&(objectClass=user)(samaccountname=%s))', AbstractFilter::escapeValue($username));
                 break;
             case Ldap::ACCTNAME_FORM_BACKSLASH: // backslash style usernames, e.g. FOO\alice
-                // @todo Not supported yet!
                 throw new Exception('Backslash style not supported in LDAPGateway::getUserByUsername()!');
                 break;
             case Ldap::ACCTNAME_FORM_PRINCIPAL: // principal style usernames, e.g. alice@foo.com
@@ -374,7 +373,6 @@ public function getUserByUsername($username, $baseDn = null, $scope = Ldap::SEAR
                 );
                 break;
             case Ldap::ACCTNAME_FORM_DN: // distinguished name, e.g. CN=someone,DC=example,DC=co,DC=nz
-                // @todo Not supported yet!
                 throw new Exception('DN style not supported in LDAPGateway::getUserByUsername()!');
                 break;
             default: // default to principal style
@@ -406,7 +404,6 @@ public function getCanonicalUsername($data)
                 }
                 return $data['samaccountname'];
             case Ldap::ACCTNAME_FORM_BACKSLASH: // backslash style usernames, e.g. FOO\alice
-                // @todo Not supported yet!
                 throw new Exception('Backslash style not supported in LDAPGateway::getUsernameByEmail()!');
             case Ldap::ACCTNAME_FORM_PRINCIPAL: // principal style usernames, e.g. alice@foo.com
                 if (empty($data['userprincipalname'])) {
diff --git a/src/Services/LDAPService.php b/src/Services/LDAPService.php
index 3a91a64..916f1fe 100644
--- a/src/Services/LDAPService.php
+++ b/src/Services/LDAPService.php
@@ -975,7 +975,7 @@ public function updateLDAPFromMember(Member $member)
             foreach ($member->config()->ldap_field_mappings as $attribute => $field) {
                 $relationClass = $member->getRelationClass($field);
                 if ($relationClass) {
-                    // todo no support for writing back relations yet.
+                    continue;
                 } else {
                     $attributes[$attribute] = $member->$field;
                 }
@@ -1102,7 +1102,7 @@ public function addLDAPUserToGroup($userDn, $groupDn)
      * Change a members password on the AD. Works with ActiveDirectory compatible services that saves the
      * password in the `unicodePwd` attribute.
      *
-     * @todo Use the Laminas\Ldap\Attribute::setPassword functionality to create a password in
+     * Use the Laminas\Ldap\Attribute::setPassword functionality to create a password in
      * an abstract way, so it works on other LDAP directories, not just Active Directory.
      *
      * Ensure that the LDAP bind:ed user can change passwords and that the connection is secure.