diff --git a/core/rawdb/schema_test.go b/core/rawdb/schema_test.go
deleted file mode 100644
index e544f603f4..0000000000
--- a/core/rawdb/schema_test.go
+++ /dev/null
@@ -1,22 +0,0 @@
-package rawdb
-
-import (
-	"math/rand"
-	"testing"
-
-	"github.com/ethereum/go-ethereum/common"
-)
-
-var sink []byte
-
-func BenchmarkStorageHistoryIndexBlockKey(b *testing.B) {
-	var h1, h2 common.Hash
-	for i := range h1 {
-		h1[i] = byte(rand.Intn(256))
-		h2[i] = byte(rand.Intn(256))
-	}
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		sink = storageHistoryIndexBlockKey(h1, h2, uint32(i))
-	}
-}