diff --git a/lightning-background-processor/src/lib.rs b/lightning-background-processor/src/lib.rs
index 36429a26860..ae64ec3521a 100644
--- a/lightning-background-processor/src/lib.rs
+++ b/lightning-background-processor/src/lib.rs
@@ -138,7 +138,7 @@ where A::Target: chain::Access, L::Target: Logger {
 }
 
 impl<P: Deref<Target = P2PGossipSync<G, A, L>>, G: Deref<Target = NetworkGraph<L>>, A: Deref, L: Deref>
-	GossipSync<P, Arc<RapidGossipSync<G, L>>, G, A, L>
+	GossipSync<P, &RapidGossipSync<G, L>, G, A, L>
 where
 	A::Target: chain::Access,
 	L::Target: Logger,
@@ -149,12 +149,12 @@ where
 	}
 }
 
-impl<R: Deref<Target = RapidGossipSync<G, L>>, G: Deref<Target = NetworkGraph<L>>, L: Deref>
+impl<'a, R: Deref<Target = RapidGossipSync<G, L>>, G: Deref<Target = NetworkGraph<L>>, L: Deref>
 	GossipSync<
-		Arc<P2PGossipSync<G, Arc<dyn chain::Access + Send + Sync>, L>>,
+		&P2PGossipSync<G, &'a(dyn chain::Access + Send + Sync), L>,
 		R,
 		G,
-		Arc<dyn chain::Access + Send + Sync>,
+		&'a(dyn chain::Access + Send + Sync),
 		L,
 	>
 where
@@ -166,12 +166,12 @@ where
 	}
 }
 
-impl<L: Deref>
+impl<'ng, 'a, L: Deref>
 	GossipSync<
-		Arc<P2PGossipSync<Arc<NetworkGraph<L>>, Arc<dyn chain::Access + Send + Sync>, L>>,
-		Arc<RapidGossipSync<Arc<NetworkGraph<L>>, L>>,
-		Arc<NetworkGraph<L>>,
-		Arc<dyn chain::Access + Send + Sync>,
+		&P2PGossipSync<&'ng NetworkGraph<L>, &'a(dyn chain::Access + Send + Sync), L>,
+		&RapidGossipSync<&'ng NetworkGraph<L>, L>,
+		&'ng NetworkGraph<L>,
+		&'a(dyn chain::Access + Send + Sync),
 		L,
 	>
 where