diff --git a/ledger/src/shred/merkle.rs b/ledger/src/shred/merkle.rs
index 84bbf09aae606b..cd77066a7e947a 100644
--- a/ledger/src/shred/merkle.rs
+++ b/ledger/src/shred/merkle.rs
@@ -1176,9 +1176,7 @@ mod test {
         num_coding_shreds: usize,
         reed_solomon_cache: &ReedSolomonCache,
     ) {
-        let mut seed = [0u8; Keypair::SECRET_KEY_LENGTH];
-        rng.fill(&mut seed[..]);
-        let keypair = keypair_from_seed(&seed).unwrap();
+        let keypair = Keypair::new();
         let num_shreds = num_data_shreds + num_coding_shreds;
         let proof_size = get_proof_size(num_shreds);
         let capacity = ShredData::capacity(proof_size).unwrap();
@@ -1361,9 +1359,7 @@ mod test {
         reed_solomon_cache: &ReedSolomonCache,
     ) {
         let thread_pool = ThreadPoolBuilder::new().num_threads(2).build().unwrap();
-        let mut seed = [0u8; Keypair::SECRET_KEY_LENGTH];
-        rng.fill(&mut seed[..]);
-        let keypair = keypair_from_seed(&seed).unwrap();
+        let keypair = Keypair::new();
         let slot = 149_745_689;
         let parent_slot = slot - rng.gen_range(1..65536);
         let shred_version = rng.gen();