diff --git a/core/src/rpc.rs b/core/src/rpc.rs
index e43edb7188..114e0098a0 100644
--- a/core/src/rpc.rs
+++ b/core/src/rpc.rs
@@ -554,7 +554,7 @@ impl RpcSol for RpcSolImpl {
             .map_err(|err| {
                 info!("request_airdrop_transaction failed: {:?}", err);
                 Error::internal_error()
-            })?;;
+            })?;
 
         let data = serialize(&transaction).map_err(|err| {
             info!("request_airdrop: serialize error: {:?}", err);
diff --git a/core/src/window_service.rs b/core/src/window_service.rs
index 242ee6817b..0efdfdf901 100644
--- a/core/src/window_service.rs
+++ b/core/src/window_service.rs
@@ -408,7 +408,7 @@ mod test {
             )
             .into_iter()
             .rev()
-            .collect();;
+            .collect();
             s_responder.send(msgs).expect("send");
             t_responder
         };
diff --git a/kvstore/benches/basic.rs b/kvstore/benches/basic.rs
index db96c52392..c1c74f1c55 100644
--- a/kvstore/benches/basic.rs
+++ b/kvstore/benches/basic.rs
@@ -146,7 +146,7 @@ fn bench_read_random(bench: &mut Bencher) {
 }
 
 fn setup(test_name: &str) -> PathBuf {
-    let dir = Path::new("kvstore-bench").join(test_name);;
+    let dir = Path::new("kvstore-bench").join(test_name);
 
     let _ig = fs::remove_dir_all(&dir);
     fs::create_dir_all(&dir).unwrap();
diff --git a/kvstore/tests/basic.rs b/kvstore/tests/basic.rs
index 5ee0b42009..804ac981e1 100644
--- a/kvstore/tests/basic.rs
+++ b/kvstore/tests/basic.rs
@@ -227,7 +227,7 @@ fn test_in_memory() {
 }
 
 fn setup(test_name: &str) -> PathBuf {
-    let dir = Path::new("kvstore-test").join(test_name);;
+    let dir = Path::new("kvstore-test").join(test_name);
 
     let _ig = fs::remove_dir_all(&dir);
     fs::create_dir_all(&dir).unwrap();
diff --git a/local_cluster/tests/replicator.rs b/local_cluster/tests/replicator.rs
index 16189b0f27..a6addd107b 100644
--- a/local_cluster/tests/replicator.rs
+++ b/local_cluster/tests/replicator.rs
@@ -131,7 +131,7 @@ fn test_replicator_startup_ledger_hang() {
     info!("starting replicator test");
     let mut validator_config = ValidatorConfig::default();
     validator_config.storage_slots_per_turn = SLOTS_PER_TURN_TEST;
-    let cluster = LocalCluster::new_with_equal_stakes(2, 10_000, 100);;
+    let cluster = LocalCluster::new_with_equal_stakes(2, 10_000, 100);
 
     info!("starting replicator node");
     let bad_keys = Arc::new(Keypair::new());
diff --git a/runtime/src/accounts_db.rs b/runtime/src/accounts_db.rs
index f444ee9664..17094ba74d 100644
--- a/runtime/src/accounts_db.rs
+++ b/runtime/src/accounts_db.rs
@@ -1345,9 +1345,9 @@ pub mod tests {
         let mut pubkeys: Vec<Pubkey> = vec![];
         create_account(&accounts, &mut pubkeys, 0, 1, 0, 0);
         let ancestors = vec![(0, 0)].into_iter().collect();
-        assert!(accounts.load_slow(&ancestors, &pubkeys[0]).is_some());;
+        assert!(accounts.load_slow(&ancestors, &pubkeys[0]).is_some());
         accounts.purge_fork(0);
-        assert!(accounts.load_slow(&ancestors, &pubkeys[0]).is_none());;
+        assert!(accounts.load_slow(&ancestors, &pubkeys[0]).is_none());
     }
 
     #[test]
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index d892d97e03..804d170b8b 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -2809,7 +2809,7 @@ mod tests {
         let mut reader = BufReader::new(&buf[rdr.position() as usize..]);
 
         // Create a new set of directories for this bank's accounts
-        let (_accounts_dir, dbank_paths) = get_temp_accounts_paths(4).unwrap();;
+        let (_accounts_dir, dbank_paths) = get_temp_accounts_paths(4).unwrap();
         dbank.set_bank_rc(
             &BankRc::new(dbank_paths.clone(), 0, dbank.slot()),
             &StatusCacheRc::default(),