diff --git a/src/Enums/Tiebreak.php b/src/Enums/Tiebreak.php
index 7f44284..3f9745b 100644
--- a/src/Enums/Tiebreak.php
+++ b/src/Enums/Tiebreak.php
@@ -29,7 +29,6 @@ class Tiebreak extends Enum
     const None = "";
     const Keizer = "Keizer";
     const Points = "Points";
-    const American = "American";
     const Buchholz = "Buchholz";
     const BuchholzMed = "Buchholz Median";
     const BuchholzCut = "Buchholz Cut";
diff --git a/src/Readers/Pairtwo6.php b/src/Readers/Pairtwo6.php
index 86f5aec..fe65a4c 100644
--- a/src/Readers/Pairtwo6.php
+++ b/src/Readers/Pairtwo6.php
@@ -887,11 +887,10 @@ class Pairtwo6 implements ReaderInterface
                 $firstElement = new Tiebreak(Tiebreak::Keizer);
                 break;
             case TournamentSystem::American:
-                $firstElement = new Tiebreak(Tiebreak::American);
-                break;
             case TournamentSystem::Closed:
             case TournamentSystem::Swiss:
                 $firstElement = new Tiebreak(Tiebreak::Points);
+                break;
         }
         $tiebreaks = $this->getTournament()->getTiebreaks();
         array_unshift($tiebreaks, $firstElement);
diff --git a/src/Readers/Swar4.php b/src/Readers/Swar4.php
index 31031e1..71cdd99 100644
--- a/src/Readers/Swar4.php
+++ b/src/Readers/Swar4.php
@@ -631,8 +631,6 @@ class Swar4 implements ReaderInterface
     {
         switch ($this->getTournament()->getSystem()) {
             case TournamentSystem::American:
-                $firstElement = new Tiebreak(Tiebreak::American);
-                break;
             case TournamentSystem::Closed:
             case TournamentSystem::Swiss:
             default:
diff --git a/src/Tournament.php b/src/Tournament.php
index 4a5c3be..360f72e 100644
--- a/src/Tournament.php
+++ b/src/Tournament.php
@@ -421,9 +421,6 @@ class Tournament
             case Tiebreak::Keizer:
                 return $this->calculateKeizer($player);
                 break;
-            case Tiebreak::American:
-                return $this->calculateAmerican($player);
-                break;
             case Tiebreak::Points:
                 return $this->calculatePoints($player);
                 break;
@@ -528,19 +525,6 @@ class Tournament
         return $player->getBinaryData('ScoreAmerican');
     }
 
-
-    /**
-     * Points following american system
-     *
-     * @param Player $player
-     * @return float | null
-     */
-    private function calculateAmerican(Player $player): ?float
-    {
-        return $player->getBinaryData('ScoreAmerican');
-    }
-
-
     /**
      * Number of points
      *