diff --git a/contracts/contracts/vault/VaultAdmin.sol b/contracts/contracts/vault/VaultAdmin.sol
index 9b0d6e051d..76bdc0bd1d 100644
--- a/contracts/contracts/vault/VaultAdmin.sol
+++ b/contracts/contracts/vault/VaultAdmin.sol
@@ -11,6 +11,7 @@ import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.s
 
 import { StableMath } from "../utils/StableMath.sol";
 import { IOracle } from "../interfaces/IOracle.sol";
+import { IStrategy } from "../interfaces/IStrategy.sol";
 import "./VaultStorage.sol";
 
 contract VaultAdmin is VaultStorage {
diff --git a/contracts/contracts/vault/VaultCore.sol b/contracts/contracts/vault/VaultCore.sol
index 6943de2966..ea409d352f 100644
--- a/contracts/contracts/vault/VaultCore.sol
+++ b/contracts/contracts/vault/VaultCore.sol
@@ -13,12 +13,12 @@ pragma solidity ^0.8.0;
 
 import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import { SafeMath } from "@openzeppelin/contracts/utils/math/SafeMath.sol";
-import "@openzeppelin/contracts/utils/Strings.sol";
 
 import { StableMath } from "../utils/StableMath.sol";
 import { IOracle } from "../interfaces/IOracle.sol";
-import { IVault } from "../interfaces/IVault.sol";
 import { IBuyback } from "../interfaces/IBuyback.sol";
+import { IStrategy } from "../interfaces/IStrategy.sol";
+import "../utils/Helpers.sol";
 import "./VaultStorage.sol";
 
 contract VaultCore is VaultStorage {
diff --git a/contracts/contracts/vault/VaultStorage.sol b/contracts/contracts/vault/VaultStorage.sol
index 3942a923ab..e577a951ba 100644
--- a/contracts/contracts/vault/VaultStorage.sol
+++ b/contracts/contracts/vault/VaultStorage.sol
@@ -12,11 +12,9 @@ import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.s
 import { SafeMath } from "@openzeppelin/contracts/utils/math/SafeMath.sol";
 import { Address } from "@openzeppelin/contracts/utils/Address.sol";
 
-import { IStrategy } from "../interfaces/IStrategy.sol";
 import { Governable } from "../governance/Governable.sol";
 import { OUSD } from "../token/OUSD.sol";
 import { Initializable } from "../utils/Initializable.sol";
-import "../utils/Helpers.sol";
 import { StableMath } from "../utils/StableMath.sol";
 
 contract VaultStorage is Initializable, Governable {