diff --git a/pkg/core/block_test.go b/pkg/core/block_test.go
index 1c2f5e790..b56a7ec36 100644
--- a/pkg/core/block_test.go
+++ b/pkg/core/block_test.go
@@ -164,7 +164,7 @@ func TestBinBlockDecodeEncode(t *testing.T) {
 		"908a398dd65dfd2aad6c06090c5a71d5e5280746577a6ddd5a1f2c1453f71ead": false,
 	}
 
-	hashes := []string{}
+	var hashes []string
 
 	for _, tx := range b.Transactions {
 		switch tx.Type {
diff --git a/pkg/vm/stack_item.go b/pkg/vm/stack_item.go
index 468453d7b..925676a67 100644
--- a/pkg/vm/stack_item.go
+++ b/pkg/vm/stack_item.go
@@ -67,7 +67,7 @@ func makeStackItem(v interface{}) StackItem {
 	case StackItem:
 		return val
 	case []int:
-		a := []StackItem{}
+		var a []StackItem
 		for _, i := range val {
 			a = append(a, makeStackItem(i))
 		}