diff --git a/src/Alias/Model.php b/src/Alias/Model.php
index 39230ad..328875f 100644
--- a/src/Alias/Model.php
+++ b/src/Alias/Model.php
@@ -6,16 +6,6 @@ use ProVM\Concept\Model as ModelInterface;
 
 abstract class Model implements ModelInterface
 {
-    protected Repository $repository;
-    public function setRepository(Repository $repository): ModelInterface
-    {
-        $this->repository = $repository;
-        return $this;
-    }
-    public function getRepository(): Repository
-    {
-        return $this->repository;
-    }
     protected int $id;
     public function setId(int $id): ModelInterface
     {
@@ -26,64 +16,4 @@ abstract class Model implements ModelInterface
     {
         return $this->id;
     }
-    protected bool $new;
-    public function setNew(): ModelInterface
-    {
-        $this->new = true;
-        return $this;
-    }
-    public function isNew(): bool
-    {
-        return $this->new ?? false;
-    }
-    protected bool $dirty;
-    public function setDirty(): ModelInterface
-    {
-        $this->dirty = true;
-        return $this;
-    }
-    public function isDirty(): bool
-    {
-        return $this->dirty ?? $this->isNew();
-    }
-
-    public function save(): void
-    {
-        if ($this->isDirty()) {
-            $this->getRepository()->save($this);
-        }
-    }
-    public function edit(array $data): void
-    {
-        foreach ($data as $key => $val) {
-            $m = 'set' . ucwords($key);
-            $this->{$m}($val);
-        }
-        $this->isDirty();
-    }
-    public function delete(): void
-    {
-        $this->getRepository()->delete($this);
-    }
-
-    public function jsonSerialize(): mixed
-    {
-        $obj = new \ReflectionObject($this);
-        $methods = $obj->getMethods();
-        $output = [];
-        foreach ($methods as $method) {
-            if (!str_contains($method->getName(), 'get')) {
-                continue;
-            }
-            if ($method->getName() === 'getRepository') {
-                continue;
-            }
-            $p = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', str_replace('get', '', $method->getName())));
-            if (!isset($this->{$p})) {
-                continue;
-            }
-            $output[$p] = $this->{$method->getName()}();
-        }
-        return $output;
-    }
 }
diff --git a/src/Concept/Model.php b/src/Concept/Model.php
index 1f25e98..408c694 100644
--- a/src/Concept/Model.php
+++ b/src/Concept/Model.php
@@ -6,15 +6,6 @@ use ProVM\Concept\Model\Repository;
 
 interface Model extends JsonSerializable
 {
-    public function setRepository(Repository $factory): Model;
-    public function getRepository(): Repository;
     public function setId(int $id): Model;
     public function getId(): int;
-    public function setNew(): Model;
-    public function isNew(): bool;
-    public function setDirty(): Model;
-    public function isDirty(): bool;
-    public function save(): void;
-    public function edit(array $data): void;
-    public function delete(): void;
 }