diff --git a/substrate/core/network/src/protocol/sync.rs b/substrate/core/network/src/protocol/sync.rs
index 59ad48b225..6a2a207abc 100644
--- a/substrate/core/network/src/protocol/sync.rs
+++ b/substrate/core/network/src/protocol/sync.rs
@@ -667,8 +667,6 @@ impl<B: BlockT> ChainSync<B> {
 			peer.state = PeerSyncState::Available;
 
 			// We only request one justification at a time
-			debug_assert!(response.blocks.len() < 2);
-
 			if let Some(block) = response.blocks.into_iter().next() {
 				if hash != block.hash {
 					info!(