diff --git a/lib/objects.py b/lib/objects.py
index 96c5440966344ebcd046036dc1b26400895ac3f7..ff921d619e3aa71302a804d29f2f47032fd6be99 100644
--- a/lib/objects.py
+++ b/lib/objects.py
@@ -892,9 +892,13 @@ class Disk(ConfigObject):
 
 
 class InstancePolicy(ConfigObject):
-  """Config object representing instance policy limits dictionary."""
-  __slots__ = ["min", "max", "std", "disk_templates"]
+  """Config object representing instance policy limits dictionary.
 
+
+  Note that this object is not actually used in the config, it's just
+  used as a placeholder for a few functions.
+
+  """
   @classmethod
   def CheckParameterSyntax(cls, ipolicy):
     """ Check the instance policy for validity.