diff --git a/beets/dbcore/db.py b/beets/dbcore/db.py
index 050ddbd81..7a912c3a7 100644
--- a/beets/dbcore/db.py
+++ b/beets/dbcore/db.py
@@ -382,6 +382,8 @@ class Model(object):
         self._check_db()
         stored_obj = self._db._get(type(self), self.id)
         assert stored_obj is not None, "object {0} not in DB".format(self.id)
+        self._values_fixed = {}
+        self._values_flex = {}
         self.update(dict(stored_obj))
         self.clear_dirty()
 
diff --git a/test/test_dbcore.py b/test/test_dbcore.py
index bca88cbda..9d0dd1d3b 100644
--- a/test/test_dbcore.py
+++ b/test/test_dbcore.py
@@ -249,6 +249,20 @@ class ModelTest(unittest.TestCase):
         model.some_float_field = None
         self.assertEqual(model.some_float_field, 0.0)
 
+    def test_load_deleted_flex_field(self):
+        model1 = TestModel1()
+        model1['flex_field'] = True
+        model1.add(self.db)
+
+        model2 = self.db._get(TestModel1, model1.id)
+        self.assertIn('flex_field', model2)
+
+        del model1['flex_field']
+        model1.store()
+
+        model2.load()
+        self.assertNotIn('flex_field', model2)
+
 
 class FormatTest(unittest.TestCase):
     def test_format_fixed_field(self):