diff --git a/contracts/mocks/token/ERC20ReturnFalseMock copy.sol b/contracts/mocks/token/ERC20ReturnFalseMock.sol
similarity index 100%
rename from contracts/mocks/token/ERC20ReturnFalseMock copy.sol
rename to contracts/mocks/token/ERC20ReturnFalseMock.sol
diff --git a/slither.config.json b/slither.config.json
index 2b618794a..80ecda71b 100644
--- a/slither.config.json
+++ b/slither.config.json
@@ -2,4 +2,4 @@
     "detectors_to_run": "reentrancy-eth,reentrancy-no-eth,reentrancy-unlimited-gas",
     "filter_paths": "contracts/mocks",
     "compile_force_framework": "hardhat"
-}
\ No newline at end of file
+}
diff --git a/test/helpers/map-values.js b/test/helpers/map-values.js
index d2f7b2a3f..84d95fc65 100644
--- a/test/helpers/map-values.js
+++ b/test/helpers/map-values.js
@@ -1,5 +1,5 @@
 function mapValues(obj, fn) {
-  return Object.fromEntries([...Object.entries(obj)].map(([k, v]) => [k, fn(v)]));
+  return Object.fromEntries(Object.entries(obj).map(([k, v]) => [k, fn(v)]));
 }
 
 module.exports = {