diff --git a/crates/chain-state/src/in_memory.rs b/crates/chain-state/src/in_memory.rs
index cd194db81e3..dd78b6cf5fe 100644
--- a/crates/chain-state/src/in_memory.rs
+++ b/crates/chain-state/src/in_memory.rs
@@ -1380,8 +1380,7 @@ mod tests {
     #[test]
     fn test_canonical_in_memory_state_canonical_chain_empty() {
         let state: CanonicalInMemoryState = CanonicalInMemoryState::empty();
-        let chain: Vec<_> = state.canonical_chain().collect();
-        assert!(chain.is_empty());
+        assert!(state.canonical_chain().next().is_none());
     }
 
     #[test]
diff --git a/crates/transaction-pool/src/pool/pending.rs b/crates/transaction-pool/src/pool/pending.rs
index 9bd1d092b4f..317066137da 100644
--- a/crates/transaction-pool/src/pool/pending.rs
+++ b/crates/transaction-pool/src/pool/pending.rs
@@ -921,8 +921,7 @@ mod tests {
         assert!(removed.is_empty());
 
         // Verify that retrieving transactions from an empty pool yields nothing
-        let all_txs: Vec<_> = pool.all().collect();
-        assert!(all_txs.is_empty());
+        assert!(pool.all().next().is_none());
     }
 
     #[test]