diff --git a/src/Query/Grammars/Traits/CompilesMySqlAdjacencyLists.php b/src/Query/Grammars/Traits/CompilesMySqlAdjacencyLists.php
index 56d0889..4a5435d 100644
--- a/src/Query/Grammars/Traits/CompilesMySqlAdjacencyLists.php
+++ b/src/Query/Grammars/Traits/CompilesMySqlAdjacencyLists.php
@@ -106,7 +106,7 @@ public function compilePivotColumnNullValue(string $typeName, string $type): str
         }
 
         $cast = match ($typeName) {
-            'bigint', 'boolean', 'integer', 'int', 'smallint', 'tinyint' => 'signed',
+            'bigint', 'boolean', 'int', 'smallint', 'tinyint' => 'signed',
             'decimal' => "decimal($precision, $scale)",
             'timestamp' => 'datetime',
             'varchar' => 'char(65535)',