diff --git a/pkg/core/mempool/mem_pool_test.go b/pkg/core/mempool/mem_pool_test.go
index 694ce8960..a7e73839e 100644
--- a/pkg/core/mempool/mem_pool_test.go
+++ b/pkg/core/mempool/mem_pool_test.go
@@ -298,10 +298,7 @@ func TestMemPoolFees(t *testing.T) {
 
 	// check whether sender's fee updates correctly
 	mp.RemoveStale(func(t *transaction.Transaction) bool {
-		if t == tx2 {
-			return true
-		}
-		return false
+		return t == tx2
 	}, fs)
 	require.Equal(t, 1, len(mp.fees))
 	require.Equal(t, utilityBalanceAndFees{
@@ -311,10 +308,7 @@ func TestMemPoolFees(t *testing.T) {
 
 	// there should be nothing left
 	mp.RemoveStale(func(t *transaction.Transaction) bool {
-		if t == tx3 {
-			return true
-		}
-		return false
+		return t == tx3
 	}, fs)
 	require.Equal(t, 0, len(mp.fees))
 }
diff --git a/pkg/core/mempool/subscriptions_test.go b/pkg/core/mempool/subscriptions_test.go
index 67557455f..a2fb3a91f 100644
--- a/pkg/core/mempool/subscriptions_test.go
+++ b/pkg/core/mempool/subscriptions_test.go
@@ -75,10 +75,7 @@ func TestSubscriptions(t *testing.T) {
 
 		// remove stale
 		mp.RemoveStale(func(tx *transaction.Transaction) bool {
-			if tx.Hash().Equals(txs[2].Hash()) {
-				return false
-			}
-			return true
+			return !tx.Hash().Equals(txs[2].Hash())
 		}, fs)
 		require.Eventually(t, func() bool { return len(subChan1) == 1 && len(subChan2) == 1 }, time.Second, time.Millisecond*100)
 		event1 = <-subChan1