diff --git a/relayer/src/chain/cosmos.rs b/relayer/src/chain/cosmos.rs
index 3580d63e71..94a2e1c4fe 100644
--- a/relayer/src/chain/cosmos.rs
+++ b/relayer/src/chain/cosmos.rs
@@ -183,8 +183,7 @@ impl Chain for CosmosSDKChain {
         //println!("TxRAW {:?}", hex::encode(txraw_buf.clone()));
 
         //let signed = sign(sign_doc);
-        let response =
-            block_on(broadcast_tx(self, txraw_buf.clone())).map_err(|e| Kind::Rpc.context(e))?;
+        let response = block_on(broadcast_tx(self, txraw_buf)).map_err(|e| Kind::Rpc.context(e))?;
 
         Ok(response)
     }
@@ -294,7 +293,7 @@ async fn broadcast_tx(
 
     if !response.code.is_ok() {
         // Fail with response log.
-        println!("Tx Error Response: {:?}", response.clone());
+        println!("Tx Error Response: {:?}", response);
         return Err(Kind::Rpc.context(response.log.to_string()).into());
     }
 
diff --git a/relayer/src/keyring/store.rs b/relayer/src/keyring/store.rs
index a88219b200..7deee972c6 100644
--- a/relayer/src/keyring/store.rs
+++ b/relayer/src/keyring/store.rs
@@ -86,16 +86,14 @@ impl KeyRingOperations for KeyRing {
                             .map_err(|e| Kind::InvalidMnemonic.context(e))?;
                         Ok(key)
                     }
-                    None => {
-                        return Err(Kind::InvalidMnemonic
-                            .context("invalid key file, cannot find mnemonic".to_string()))?
-                    }
+                    None => Err(Kind::InvalidMnemonic
+                        .context("invalid key file, cannot find mnemonic".to_string())
+                        .into()),
                 }
             }
-            None => {
-                return Err(Kind::InvalidMnemonic
-                    .context("invalid key file, cannot find mnemonic".to_string()))?
-            }
+            None => Err(Kind::InvalidMnemonic
+                .context("invalid key file, cannot find mnemonic".to_string())
+                .into()),
         }
     }
 
@@ -139,7 +137,7 @@ impl KeyRingOperations for KeyRing {
         match &self {
             KeyRing::MemoryKeyStore { store: s } => {
                 if !s.contains_key(&address) {
-                    return Err(Kind::InvalidKey.into());
+                    Err(Kind::InvalidKey.into())
                 } else {
                     let key = s.get(&address);
                     match key {
@@ -154,10 +152,7 @@ impl KeyRingOperations for KeyRing {
     /// Insert an entry in the key store
     fn insert(&mut self, addr: Vec<u8>, key: KeyEntry) -> Option<KeyEntry> {
         match self {
-            KeyRing::MemoryKeyStore { store: s } => {
-                let ke = s.insert(addr, key);
-                ke
-            }
+            KeyRing::MemoryKeyStore { store: s } => s.insert(addr, key),
         }
     }
 
diff --git a/relayer/src/tx/connection.rs b/relayer/src/tx/connection.rs
index 4add9326e6..f405c39d07 100644
--- a/relayer/src/tx/connection.rs
+++ b/relayer/src/tx/connection.rs
@@ -3,7 +3,6 @@ use crate::config::ChainConfig;
 use crate::error::{Error, Kind};
 use crate::keyring::store::{KeyEntry, KeyRingOperations};
 use bitcoin::hashes::hex::ToHex;
-use hex;
 use ibc::ics03_connection::connection::Counterparty;
 use ibc::ics03_connection::msgs::conn_open_init::MsgConnectionOpenInit;
 use ibc::ics23_commitment::commitment::CommitmentPrefix;