diff --git a/.markdownlintignore b/.markdownlintignore
index 23c081c49..f4d39440e 100644
--- a/.markdownlintignore
+++ b/.markdownlintignore
@@ -10,3 +10,4 @@ l2-contracts/node_modules
 
 # system-contracts
 system-contracts/node_modules
+system-contracts/bootloader/test_infra/target
diff --git a/system-contracts/contracts/test-contracts/KeccakTest.sol b/system-contracts/contracts/test-contracts/KeccakTest.sol
index 813441d8d..8f2aef932 100644
--- a/system-contracts/contracts/test-contracts/KeccakTest.sol
+++ b/system-contracts/contracts/test-contracts/KeccakTest.sol
@@ -7,7 +7,7 @@ import "../libraries/SystemContractsCaller.sol";
 import "../Constants.sol";
 import "../libraries/EfficientCall.sol";
 
-// In this test it is important to actuall change the real Keccak256's contract's bytecode, 
+// In this test it is important to actuall change the real Keccak256's contract's bytecode,
 // which requires changes in the real AccountCodeStorage contract
 address constant REAL_DEPLOYER_SYSTEM_CONTRACT = address(0x8006);
 address constant REAL_FORCE_DEPLOYER_ADDRESS = address(0x8007);
diff --git a/system-contracts/test/Keccak256.spec.ts b/system-contracts/test/Keccak256.spec.ts
index 97e43afa1..3f475bc10 100644
--- a/system-contracts/test/Keccak256.spec.ts
+++ b/system-contracts/test/Keccak256.spec.ts
@@ -1,4 +1,4 @@
-import { CONTRACT_DEPLOYER_ADDRESS, hashBytecode } from "zksync-web3/build/src/utils";
+import { hashBytecode } from "zksync-web3/build/src/utils";
 import type { KeccakTest } from "../typechain";
 import { KeccakTestFactory } from "../typechain";
 import { REAL_KECCAK256_CONTRACT_ADDRESS } from "./shared/constants";