diff --git a/common/ballot.go b/common/ballot.go
deleted file mode 100644
index 0abbfd3..0000000
--- a/common/ballot.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package common
-
-type Ballot struct {
-	// ID of the voting decision.
-	ID []byte
-
-	// Public keys of already voted inner ring nodes.
-	Voters [][]byte
-
-	// Height of block with the last vote.
-	Height int
-}
diff --git a/common/vote.go b/common/vote.go
index fa2b9a3..09d410f 100644
--- a/common/vote.go
+++ b/common/vote.go
@@ -7,6 +7,17 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/interop/util"
 )
 
+type Ballot struct {
+	// ID of the voting decision.
+	ID []byte
+
+	// Public keys of already voted inner ring nodes.
+	Voters [][]byte
+
+	// Height of block with the last vote.
+	Height int
+}
+
 const voteKey = "ballots"
 
 const blockDiff = 20 // change base on performance evaluation