diff --git a/ethcore/src/client.rs b/ethcore/src/client.rs
index 4ddb40477..bcddec85a 100644
--- a/ethcore/src/client.rs
+++ b/ethcore/src/client.rs
@@ -200,7 +200,7 @@ pub struct Client {
 	extra_data: RwLock<Bytes>,
 }
 
-const HISTORY: u64 = 2000000;
+const HISTORY: u64 = 30;
 const CLIENT_DB_VER_STR: &'static str = "4.0";
 
 impl Client {