diff --git a/models.py b/models.py
index 76bac3f..a9fcb43 100644
--- a/models.py
+++ b/models.py
@@ -81,6 +81,8 @@ class QueryAnswerHistory (Model):
     query_id:   int
     answer_id:  int
 
+    __timestamps__ = False
+
     @property
     def query (
             self,
@@ -100,3 +102,5 @@ class User (Model):
     code:       str
     name:       str
     icon:       bytes
+
+    __timestamps__ = False