diff --git a/respodns/ip_info.py b/respodns/ip_info.py
index 8c08fdb..dd136ca 100644
--- a/respodns/ip_info.py
+++ b/respodns/ip_info.py
@@ -21,7 +21,6 @@ class IpInfoByIpApi(IpInfoBase):
         self.expiry = expiry
         self.cooldown = 0
         self.give_up = False
-        self.prepared = False
         self.stored = None
 
         self.encoding = "latin-1"