diff --git a/core/blockchain.go b/core/blockchain.go
index b7329cad66..f8edbc3000 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -256,8 +256,8 @@ func (cfg BlockChainConfig) WithNoAsyncFlush(on bool) *BlockChainConfig {
 // triedbConfig derives the configures for trie database.
 func (cfg *BlockChainConfig) triedbConfig(isVerkle bool) *triedb.Config {
 	config := &triedb.Config{
-		Preimages:        cfg.Preimages,
-		IsVerkle:         isVerkle,
+		Preimages:         cfg.Preimages,
+		IsVerkle:          isVerkle,
 		BinTrieGroupDepth: cfg.BinTrieGroupDepth,
 	}
 	if cfg.StateScheme == rawdb.HashScheme {
diff --git a/trie/bintrie/group_debug_test.go b/trie/bintrie/group_debug_test.go
index 87a8d6ea43..051d71daf1 100644
--- a/trie/bintrie/group_debug_test.go
+++ b/trie/bintrie/group_debug_test.go
@@ -332,21 +332,6 @@ func compareTreesWithResolver(t *testing.T, original, deserialized BinaryNode, r
 	return nil
 }
 
-func buildDeepTree(depth, maxDepth int) BinaryNode {
-	if depth == maxDepth {
-		// Create a unique hash for this leaf position
-		var h common.Hash
-		h[0] = byte(depth)
-		h[1] = byte(depth >> 8)
-		return HashedNode(h)
-	}
-	return &InternalNode{
-		depth: depth,
-		left:  buildDeepTree(depth+1, maxDepth),
-		right: buildDeepTree(depth+1, maxDepth),
-	}
-}
-
 // buildDeepTreeUnique builds a tree where each leaf has a unique hash based on its position
 func buildDeepTreeUnique(depth, maxDepth, position int) BinaryNode {
 	if depth == maxDepth {
diff --git a/triedb/database.go b/triedb/database.go
index 5ea3c62e6c..b0e218044d 100644
--- a/triedb/database.go
+++ b/triedb/database.go
@@ -31,11 +31,11 @@ import (
 
 // Config defines all necessary options for database.
 type Config struct {
-	Preimages        bool           // Flag whether the preimage of node key is recorded
-	IsVerkle         bool           // Flag whether the db is holding a verkle tree
-	BinTrieGroupDepth int           // Number of levels per serialized group in binary trie (1-8, default 8)
-	HashDB           *hashdb.Config // Configs for hash-based scheme
-	PathDB           *pathdb.Config // Configs for experimental path-based scheme
+	Preimages         bool           // Flag whether the preimage of node key is recorded
+	IsVerkle          bool           // Flag whether the db is holding a verkle tree
+	BinTrieGroupDepth int            // Number of levels per serialized group in binary trie (1-8, default 8)
+	HashDB            *hashdb.Config // Configs for hash-based scheme
+	PathDB            *pathdb.Config // Configs for experimental path-based scheme
 }
 
 // HashDefaults represents a config for using hash-based scheme with
@@ -49,10 +49,10 @@ var HashDefaults = &Config{
 // VerkleDefaults represents a config for holding verkle trie data
 // using path-based scheme with default settings.
 var VerkleDefaults = &Config{
-	Preimages:        false,
-	IsVerkle:         true,
+	Preimages:         false,
+	IsVerkle:          true,
 	BinTrieGroupDepth: 8, // Default to byte-aligned groups
-	PathDB:           pathdb.Defaults,
+	PathDB:            pathdb.Defaults,
 }
 
 // backend defines the methods needed to access/update trie nodes in different