diff --git a/lib/Conf.php b/lib/Conf.php
index 5decf1d7..6a8115c9 100644
--- a/lib/Conf.php
+++ b/lib/Conf.php
@@ -25,7 +25,6 @@ class Conf {
     public $dbMySQLAutoUpd          = false;
 
     public $userDriver              = User\Internal\Driver::class;
-    public $userAuthPreferHTTP      = false;
     public $userComposeNames        = true;
     public $userTempPasswordLength  = 20;
 
diff --git a/lib/Feed.php b/lib/Feed.php
index 3c48f545..8c1e9a98 100644
--- a/lib/Feed.php
+++ b/lib/Feed.php
@@ -266,7 +266,7 @@ class Feed {
             // if there are no tentatively new articles and/or the number of stored articles is less than the size of the feed, don't do a second pass; assume any tentatively new items are in fact new
             $new = $tentative;
         }
-        // FIXME: fetch full content when appropriate
+        // TODO: fetch full content when appropriate
         foreach($new as $index) {
             $this->newItems[] = $items[$index];
         }
diff --git a/lib/User.php b/lib/User.php
index 26cb7639..dd2f7a6a 100644
--- a/lib/User.php
+++ b/lib/User.php
@@ -87,20 +87,6 @@ class User {
     }
 
     public function credentials(): array {
-        if(Data::$conf->userAuthPreferHTTP) {
-            return $this->credentialsHTTP();
-        } else {
-            return $this->credentialsForm();
-        }
-    }
-
-    public function credentialsForm(): array {
-        // FIXME: stub
-        $this->id = "john.doe@example.com";
-        return ["user" => "john.doe@example.com", "password" => "secret"];
-    }
-
-    public function credentialsHTTP(): array {
         if($_SERVER['PHP_AUTH_USER']) {
             $out = ["user" => $_SERVER['PHP_AUTH_USER'], "password" => $_SERVER['PHP_AUTH_PW']];
         } else if($_SERVER['REMOTE_USER']) {
@@ -117,8 +103,7 @@ class User {
 
     public function auth(string $user = null, string $password = null): bool {
         if($user===null) {
-            if(Data::$conf->userAuthPreferHTTP) return $this->authHTTP();
-            return $this->authForm();
+            return $this->authHTTP();
         } else {
             $this->id = $user;
             $this->actor = [];
@@ -135,17 +120,10 @@ class User {
         }
     }
 
-    public function authForm(): bool {
-        $cred = $this->credentialsForm();
-        if(!$cred["user"]) return $this->challengeForm();
-        if(!$this->auth($cred["user"], $cred["password"])) return $this->challengeForm();
-        return true;
-    }
-
     public function authHTTP(): bool {
-        $cred = $this->credentialsHTTP();
-        if(!$cred["user"]) return $this->challengeHTTP();
-        if(!$this->auth($cred["user"], $cred["password"])) return $this->challengeHTTP();
+        $cred = $this->credentials();
+        if(!$cred["user"]) return false;
+        if(!$this->auth($cred["user"], $cred["password"])) return false;
         return true;
     }
 
@@ -358,11 +336,6 @@ class User {
         }
     }
 
-    // FIXME: stubs
-    public function challenge(): bool     {throw new User\Exception("authFailed");}
-    public function challengeForm(): bool {throw new User\Exception("authFailed");}
-    public function challengeHTTP(): bool {throw new User\Exception("authFailed");}
-
     protected function composeName(string $user): string {
         if(preg_match("/.+?@[^@]+$/",$user)) {
             return $user;
diff --git a/tests/User/TestAuthorization.php b/tests/User/TestAuthorization.php
index c7a68568..7ababbbe 100644
--- a/tests/User/TestAuthorization.php
+++ b/tests/User/TestAuthorization.php
@@ -50,7 +50,6 @@ class TestAuthorization extends \PHPUnit\Framework\TestCase {
         $this->clearData();
         $conf = new Conf();
         $conf->userDriver = $drv;
-        $conf->userAuthPreferHTTP = true;
         $conf->userComposeNames = true;
         Data::$conf = $conf;
         if($db !== null) {
diff --git a/tests/lib/User/CommonTests.php b/tests/lib/User/CommonTests.php
index 48275445..c7d66970 100644
--- a/tests/lib/User/CommonTests.php
+++ b/tests/lib/User/CommonTests.php
@@ -13,7 +13,6 @@ trait CommonTests {
         $this->clearData();
         $conf = new Conf();
         $conf->userDriver = $this->drv;
-        $conf->userAuthPreferHTTP = true;
         Data::$conf = $conf;
         Data::$db = new Database();
         Data::$user = Phake::PartialMock(User::class);
diff --git a/tests/test.php b/tests/test.php
index bf0018af..3fffe213 100644
--- a/tests/test.php
+++ b/tests/test.php
@@ -10,7 +10,6 @@ $_SERVER['PHP_AUTH_USER'] = $user;
 $_SERVER['PHP_AUTH_PW'] = $pass;
 $conf = new Conf();
 $conf->dbSQLite3File = ":memory:";
-$conf->userAuthPreferHTTP = true;
 Data::load($conf);
 Data::$db->schemaUpdate();