diff --git a/lib/tfw/components/snapshot_provider.py b/lib/tfw/components/snapshot_provider.py
index cfb547e..01c1624 100644
--- a/lib/tfw/components/snapshot_provider.py
+++ b/lib/tfw/components/snapshot_provider.py
@@ -101,19 +101,15 @@ class SnapshotProvider:
 
     @property
     def _last_valid_branch(self):
-        self._update_last_valid_branch()
-        return self.__last_valid_branch
-
-    def _update_last_valid_branch(self):
         if not self._head_detached:
             self.__last_valid_branch = self._branch
+        return self.__last_valid_branch
 
     def _checkout(self, what):
         self._run((
             'git', 'checkout',
             what
         ))
-        self._update_last_valid_branch()
 
     @property
     def all_timelines(self):