diff --git a/core/lib/zksync_core/src/api_server/web3/namespaces/zks.rs b/core/lib/zksync_core/src/api_server/web3/namespaces/zks.rs
index 467d265b6a1..5155b4cce4c 100644
--- a/core/lib/zksync_core/src/api_server/web3/namespaces/zks.rs
+++ b/core/lib/zksync_core/src/api_server/web3/namespaces/zks.rs
@@ -1,4 +1,4 @@
-use std::{collections::HashMap, convert::TryInto, env, str::FromStr};
+use std::{collections::HashMap, convert::TryInto};
 
 use bigdecimal::{BigDecimal, Zero};
 use zksync_dal::StorageProcessor;
@@ -16,8 +16,8 @@ use zksync_types::{
     l2_to_l1_log::L2ToL1Log,
     tokens::ETHEREUM_ADDRESS,
     transaction_request::CallRequest,
-    AccountTreeId, L1BatchNumber, MiniblockNumber, StorageKey, Transaction, H160,
-    L1_MESSENGER_ADDRESS, L2_ETH_TOKEN_ADDRESS, REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_BYTE, U256, U64,
+    AccountTreeId, L1BatchNumber, MiniblockNumber, StorageKey, Transaction, L1_MESSENGER_ADDRESS,
+    L2_ETH_TOKEN_ADDRESS, REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_BYTE, U256, U64,
 };
 use zksync_utils::{address_to_h256, ratio_to_big_decimal_normalized};
 use zksync_web3_decl::{
diff --git a/core/lib/zksync_core/src/api_server/web3/state.rs b/core/lib/zksync_core/src/api_server/web3/state.rs
index 92ef9c51eae..1d23e4aadab 100644
--- a/core/lib/zksync_core/src/api_server/web3/state.rs
+++ b/core/lib/zksync_core/src/api_server/web3/state.rs
@@ -14,7 +14,7 @@ use zksync_config::configs::{api::Web3JsonRpcConfig, chain::NetworkConfig, Contr
 use zksync_dal::{ConnectionPool, StorageProcessor};
 use zksync_types::{
     api, l2::L2Tx, transaction_request::CallRequest, Address, L1BatchNumber, L1ChainId, L2ChainId,
-    MiniblockNumber, H160, H256, U256, U64,
+    MiniblockNumber, H256, U256, U64,
 };
 use zksync_web3_decl::{error::Web3Error, types::Filter};