diff --git a/backups/rsyncvolumes/plan.tpl.py b/backups/rsyncvolumes/plan.tpl.py
index 3a5e34b..864f36d 100644
--- a/backups/rsyncvolumes/plan.tpl.py
+++ b/backups/rsyncvolumes/plan.tpl.py
@@ -50,14 +50,12 @@ def notkeep(fname):
     ds = ds[0]
     d = datetime.strptime(ds, '%Y-%m-%d')
     delta = dt - d
-    if delta.days > 365:
+    if delta.days > 180:
         return True
-    elif delta.days > 31:
-        # if (delta.days %% 30) != 0:
+    elif delta.days > 15:
         if (d.day != 1):
             return True
     elif delta.days > 2:
-        # if (delta.days %% 7) != 0:
         if (d.weekday() != 0) and (d.day != 1):
             return True
     else: