diff --git a/account_manager/src/wallet/create.rs b/account_manager/src/wallet/create.rs
index deab21b96f7..e90bb61fcdb 100644
--- a/account_manager/src/wallet/create.rs
+++ b/account_manager/src/wallet/create.rs
@@ -92,17 +92,29 @@ pub fn cli_app() -> Command {
                 .value_name("MNEMONIC_LENGTH")
                 .help("The number of words to use for the mnemonic phrase.")
                 .action(ArgAction::Set)
-                // TODO
-                // .value_parser(|len: &str| {
-                //     match len.parse::<usize>().ok().and_then(|words| MnemonicType::for_word_count(words).ok()) {
-                //         Some(_) => Ok(()),
-                //         None => Err(format!("Mnemonic length must be one of {}", MNEMONIC_TYPES.iter().map(|t| t.word_count().to_string()).collect::<Vec<_>>().join(", "))),
-                //     }
-                // })
+                .value_parser(check_mnemonic_length)
                 .default_value("24"),
         )
 }
 
+fn check_mnemonic_length(len: &str) -> Result<String, String> {
+    match len
+        .parse::<usize>()
+        .ok()
+        .and_then(|words| MnemonicType::for_word_count(words).ok())
+    {
+        Some(_) => Ok(len.to_string()),
+        None => Err(format!(
+            "Mnemonic length must be one of {}",
+            MNEMONIC_TYPES
+                .iter()
+                .map(|t| t.word_count().to_string())
+                .collect::<Vec<_>>()
+                .join(", ")
+        )),
+    }
+}
+
 pub fn cli_run(matches: &ArgMatches, wallet_base_dir: PathBuf) -> Result<(), String> {
     let mnemonic_output_path: Option<PathBuf> = clap_utils::parse_optional(matches, MNEMONIC_FLAG)?;
 
diff --git a/beacon_node/src/config.rs b/beacon_node/src/config.rs
index fd94d54c3fa..6711a780cb9 100644
--- a/beacon_node/src/config.rs
+++ b/beacon_node/src/config.rs
@@ -797,8 +797,7 @@ pub fn get_config<E: EthSpec>(
         client_config.chain.fork_choice_before_proposal_timeout_ms = timeout;
     }
 
-    client_config.chain.always_reset_payload_statuses =
-        cli_args.get_flag("reset-payload-statuses");
+    client_config.chain.always_reset_payload_statuses = cli_args.get_flag("reset-payload-statuses");
 
     client_config.chain.paranoid_block_proposal = cli_args.get_flag("paranoid-block-proposal");
 
@@ -959,7 +958,6 @@ pub fn parse_listening_addresses(
             format!("Failed to parse --quic6-port as an integer: {parse_error}")
         })?;
 
-
     // Now put everything together
     let listening_addresses = match (maybe_ipv4, maybe_ipv6) {
         (None, None) => {
@@ -1057,7 +1055,6 @@ pub fn parse_listening_addresses(
                     ipv4_tcp_port + 1
                 });
 
-
             // Defaults to 9090 when required
             let ipv6_tcp_port = use_zero_ports
                 .then(unused_port::unused_tcp6_port)
@@ -1428,7 +1425,7 @@ pub fn set_network_config(
             if config_str.as_str() == "disabled" {
                 None
             } else {
-                Some(config_str.parse()?) 
+                Some(config_str.parse()?)
             }
             // Enabled with a custom configuration
             // Some(config_str.parse()?)
diff --git a/lighthouse/src/main.rs b/lighthouse/src/main.rs
index 1ddb233b216..3e1bb1c9da0 100644
--- a/lighthouse/src/main.rs
+++ b/lighthouse/src/main.rs
@@ -28,7 +28,7 @@ lazy_static! {
          Allocator: {}\n\
          Profile: {}\n\
          Specs: mainnet (true), minimal ({}), gnosis ({})",
-         SHORT_VERSION.as_str(),
+        SHORT_VERSION.as_str(),
         bls_library_name(),
         have_sha_extensions(),
         allocator_name(),
diff --git a/testing/simulator/src/eth1_sim.rs b/testing/simulator/src/eth1_sim.rs
index 3db3e39d944..1c2df14ef2d 100644
--- a/testing/simulator/src/eth1_sim.rs
+++ b/testing/simulator/src/eth1_sim.rs
@@ -32,9 +32,7 @@ pub fn run_eth1_sim(matches: &ArgMatches) -> Result<(), String> {
     let node_count = *matches
         .get_one::<usize>("nodes")
         .expect("missing nodes default");
-    let proposer_nodes = *matches
-        .get_one::<usize>("proposer-nodes")
-        .unwrap_or(&0);
+    let proposer_nodes = *matches.get_one::<usize>("proposer-nodes").unwrap_or(&0);
     println!("PROPOSER-NODES: {}", proposer_nodes);
     let validators_per_node = *matches
         .get_one::<usize>("validators_per_node")
diff --git a/validator_client/src/config.rs b/validator_client/src/config.rs
index 66399371dd5..3c602da9030 100644
--- a/validator_client/src/config.rs
+++ b/validator_client/src/config.rs
@@ -408,7 +408,8 @@ impl Config {
 
         config.builder_boost_factor = parse_optional(cli_args, "builder-boost-factor")?;
 
-        config.enable_latency_measurement_service = cli_args.get_flag("latency-measurement-service");
+        config.enable_latency_measurement_service =
+            cli_args.get_flag("latency-measurement-service");
 
         config.validator_registration_batch_size =
             parse_required(cli_args, "validator-registration-batch-size")?;
diff --git a/validator_manager/src/create_validators.rs b/validator_manager/src/create_validators.rs
index b11099e8133..5ef9646aa45 100644
--- a/validator_manager/src/create_validators.rs
+++ b/validator_manager/src/create_validators.rs
@@ -106,7 +106,7 @@ pub fn cli_app() -> Command {
                     Using this flag will save several seconds per validator if the \
                     user has an alternate strategy for submitting deposits.",
                 )
-                .action(ArgAction::SetTrue)
+                .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(SPECIFY_VOTING_KEYSTORE_PASSWORD_FLAG)
@@ -118,7 +118,7 @@ pub fn cli_app() -> Command {
                     necessary to keep backups of voting keystore passwords if the \
                     mnemonic is safely backed up.",
                 )
-                .action(ArgAction::SetTrue)
+                .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(ETH1_WITHDRAWAL_ADDRESS_FLAG)
@@ -217,7 +217,7 @@ pub fn cli_app() -> Command {
                 .hide(true)
                 .help("Dumps the config to a desired location. Used for testing only.")
                 .action(ArgAction::Set)
-                .global(true)
+                .global(true),
         )
 }