diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go
index 2468e1a980..6b307ba891 100644
--- a/eth/downloader/downloader_test.go
+++ b/eth/downloader/downloader_test.go
@@ -1270,7 +1270,7 @@ func TestBeaconSync68Full(t *testing.T) { testBeaconSync(t, eth.ETH68, FullSync)
 func TestBeaconSync68Snap(t *testing.T) { testBeaconSync(t, eth.ETH68, SnapSync) }
 
 func testBeaconSync(t *testing.T, protocol uint, mode SyncMode) {
-	//log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
+	// log.SetDefault(log.NewLogger(log.NewTerminalHandlerWithLevel(os.Stderr, log.LevelInfo, true)))
 
 	var cases = []struct {
 		name  string // The name of testing scenario
diff --git a/eth/downloader/skeleton_test.go b/eth/downloader/skeleton_test.go
index 2b108dfe93..0d201673e7 100644
--- a/eth/downloader/skeleton_test.go
+++ b/eth/downloader/skeleton_test.go
@@ -514,7 +514,7 @@ func TestSkeletonSyncExtend(t *testing.T) {
 // Tests that the skeleton sync correctly retrieves headers from one or more
 // peers without duplicates or other strange side effects.
 func TestSkeletonSyncRetrievals(t *testing.T) {
-	//log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
+	// log.SetDefault(log.NewLogger(log.NewTerminalHandlerWithLevel(os.Stderr, log.LevelTrace, true)))
 
 	// Since skeleton headers don't need to be meaningful, beyond a parent hash
 	// progression, create a long fake chain to test with.