diff --git a/contracts/accountants/HealthCheckAccountant.sol b/contracts/accountants/HealthCheckAccountant.sol
index 398af79..8116870 100644
--- a/contracts/accountants/HealthCheckAccountant.sol
+++ b/contracts/accountants/HealthCheckAccountant.sol
@@ -565,7 +565,7 @@ contract HealthCheckAccountant {
      * @dev This function provides the maximum performance fee that the accountant can charge.
      * @return The maximum performance fee.
      */
-    function performanceFeeThreshold() external view virtual returns (uint16) {
+    function performanceFeeThreshold() external pure virtual returns (uint16) {
         return PERFORMANCE_FEE_THRESHOLD;
     }
 
@@ -574,7 +574,7 @@ contract HealthCheckAccountant {
      * @dev This function provides the maximum management fee that the accountant can charge.
      * @return The maximum management fee.
      */
-    function managementFeeThreshold() external view virtual returns (uint16) {
+    function managementFeeThreshold() external pure virtual returns (uint16) {
         return MANAGEMENT_FEE_THRESHOLD;
     }
 }
diff --git a/contracts/accountants/RefundAccountant.sol b/contracts/accountants/RefundAccountant.sol
index 3fd714e..8eb5738 100644
--- a/contracts/accountants/RefundAccountant.sol
+++ b/contracts/accountants/RefundAccountant.sol
@@ -64,7 +64,12 @@ contract RefundAccountant is HealthCheckAccountant {
         address strategy,
         uint256 gain,
         uint256 loss
-    ) public override returns (uint256 totalFees, uint256 totalRefunds) {
+    )
+        public
+        virtual
+        override
+        returns (uint256 totalFees, uint256 totalRefunds)
+    {
         (totalFees, totalRefunds) = super.report(strategy, gain, loss);
 
         Refund memory refundConfig = refund[msg.sender][strategy];
@@ -99,7 +104,7 @@ contract RefundAccountant is HealthCheckAccountant {
         address _strategy,
         bool _refund,
         uint256 _amount
-    ) external onlyFeeManager {
+    ) external virtual onlyFeeManager {
         require(vaults[_vault], "not added");
         require(
             IVault(_vault).strategies(_strategy).activation != 0,