diff --git a/lightning/src/ln/onion_utils.rs b/lightning/src/ln/onion_utils.rs
index 781505670ab..39d9793212f 100644
--- a/lightning/src/ln/onion_utils.rs
+++ b/lightning/src/ln/onion_utils.rs
@@ -1412,6 +1412,7 @@ use crate::prelude::*;
 	}
 
 	use crate::ln::channelmanager::RecipientOnionFields;
+	use crate::sign::KeysManager;
 	use super::{create_payment_onion, peel_payment_onion};
 	use super::{PeeledPayment, ReceivedPayment};
 
@@ -1419,7 +1420,7 @@ use crate::prelude::*;
 		SecretKey, u64, u32, RecipientOnionFields, PaymentPreimage, PaymentHash, [u8; 32],
 		Vec<RouteHop>, u64, PaymentSecret,
 	) {
-		use std::convert::TryInto;
+		use core::convert::TryInto;
 		use super::{Sha256, Hash};
 
 		let session_priv_bytes = [42; 32];
@@ -1518,12 +1519,8 @@ use crate::prelude::*;
 
 	}
 
-	fn make_keys_manager(seed: &[u8; 32]) -> crate::sign::KeysManager {
-		use crate::sign::KeysManager;
-		use std::time::{SystemTime, UNIX_EPOCH};
-		let start = SystemTime::now();
-		let now = start.duration_since(UNIX_EPOCH).expect("Time went backwards");
-		KeysManager::new(seed, now.as_secs(), now.subsec_nanos())
+	fn make_keys_manager(seed: &[u8; 32]) -> KeysManager {
+		KeysManager::new(seed, 42, 42)
 	}
 
 }