diff --git a/app/controller/__init__.py b/app/controller/__init__.py
index d75747b..80b3a81 100644
--- a/app/controller/__init__.py
+++ b/app/controller/__init__.py
@@ -80,6 +80,6 @@ class LibraryController:
         self.session.commit()
 
     def delete(self):
-        delete(self.session, self)
+        delete(self.session, self.data)
         del(self)
 
diff --git a/main.py b/main.py
index 990a848..6971ceb 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,4 @@
-__version__ = "0.2.0.dev"
+
 
 from app import app
 from app.config import config
diff --git a/tests/test_controller.py b/tests/test_controller.py
index 645189e..2c78385 100644
--- a/tests/test_controller.py
+++ b/tests/test_controller.py
@@ -1,7 +1,7 @@
 import os
 import unittest
 
-from sqlalchemy.orm import sessionmaker
+from sqlalchemy.exc import NoResultFound
 
 from app.api.actions import install
 from app.schema.library import Library, Tag, Book, BookTag, Path, Env
@@ -135,8 +135,13 @@ class TestDB(unittest.TestCase):
 
         self.assertEqual(book.name, self.library.data.books[0].name)
         self.assertNotEqual(book.name, "Test book")
-        self.assertEqual(book.name, "Another Book on the shelf")    
-    
+        self.assertEqual(book.name, "Another Book on the shelf")
+
+    def test_delete_library(self):
+        library = LibraryController(1, engine=self.engine)
+        library.delete()
+
+        self.assertRaises(NoResultFound, LibraryController, 1, engine=self.engine)    
         
 if __name__ == "__main__":
     unittest.main()
\ No newline at end of file
diff --git a/tests/test_db.py b/tests/test_db.py
index 9c374f0..cf2785d 100644
--- a/tests/test_db.py
+++ b/tests/test_db.py
@@ -2,11 +2,13 @@ import os
 import unittest
 
 from sqlalchemy.orm import sessionmaker
+from sqlalchemy.exc import NoResultFound
 
 from app.api.actions import install
-from app.api.cruds.base import create, read, update
+from app.api.cruds.base import create, read, update, delete
 from app.schema.library import Library, Path, Env, Book, Tag, BookTag
 
+
 import logging
 logging.basicConfig(level=logging.DEBUG)
 logger = logging.getLogger(__name__)
@@ -135,7 +137,13 @@ class TestDB(unittest.TestCase):
 
         self.assertEqual(book.name, self.library.books[0].name)
         self.assertNotEqual(book.name, "Test book")
-        self.assertEqual(book.name, "Another Book on the shelf")    
+        self.assertEqual(book.name, "Another Book on the shelf")
+
+    def test_delete_library(self):
+        library = read(self.session, 1, Library)
+        delete(self.session, library)
+
+        self.assertRaises(NoResultFound, read, self.session, 1, Library)
 
         
 if __name__ == "__main__":