diff --git a/atomic_swap/src/lib.rs b/atomic_swap/src/lib.rs
index 528b8422..b5f644ae 100644
--- a/atomic_swap/src/lib.rs
+++ b/atomic_swap/src/lib.rs
@@ -70,7 +70,7 @@ fn move_token(
     token.transfer(
         &contract_address,
         from,
-        &(&max_spend_amount - &transfer_amount),
+        &(max_spend_amount - transfer_amount),
     );
 }
 
diff --git a/fuzzing/src/lib.rs b/fuzzing/src/lib.rs
index 7c7c5695..59977141 100644
--- a/fuzzing/src/lib.rs
+++ b/fuzzing/src/lib.rs
@@ -71,7 +71,7 @@ impl ClaimableBalanceContract {
             panic!("deposit amount must not be zero");
         }*/
 
-        if claimants.len() == 0 {
+        if claimants.is_empty() {
             panic!("need more than 0 claimants");
         }
         if claimants.len() > 10 {
diff --git a/liquidity_pool/src/lib.rs b/liquidity_pool/src/lib.rs
index 834169eb..81558436 100644
--- a/liquidity_pool/src/lib.rs
+++ b/liquidity_pool/src/lib.rs
@@ -200,7 +200,7 @@ impl LiquidityPoolTrait for LiquidityPool {
 
         put_token_a(&e, token_a);
         put_token_b(&e, token_b);
-        put_token_share(&e, share_contract.try_into().unwrap());
+        put_token_share(&e, share_contract);
         put_total_shares(&e, 0);
         put_reserve_a(&e, 0);
         put_reserve_b(&e, 0);