diff --git a/android/java/org/chromium/chrome/browser/crypto_wallet/util/AsyncUtils.java b/android/java/org/chromium/chrome/browser/crypto_wallet/util/AsyncUtils.java
index 1e50cd7c4059..07116be2fb5c 100644
--- a/android/java/org/chromium/chrome/browser/crypto_wallet/util/AsyncUtils.java
+++ b/android/java/org/chromium/chrome/browser/crypto_wallet/util/AsyncUtils.java
@@ -423,7 +423,8 @@ public GetNftErc721MetadataContext(Runnable responseCompleteCallback) {
         }
 
         @Override
-        public void call(String tokenUrl, String erc721Metadata, Integer errorCode, String errorMessage) {
+        public void call(
+                String tokenUrl, String erc721Metadata, Integer errorCode, String errorMessage) {
             this.tokenMetadata = erc721Metadata;
             this.errorCode = errorCode;
             this.errorMessage = errorMessage;
diff --git a/components/brave_wallet/browser/brave_wallet_auto_pin_service.cc b/components/brave_wallet/browser/brave_wallet_auto_pin_service.cc
index 1217a041d13c..5e5dd6f371b2 100644
--- a/components/brave_wallet/browser/brave_wallet_auto_pin_service.cc
+++ b/components/brave_wallet/browser/brave_wallet_auto_pin_service.cc
@@ -87,10 +87,7 @@ void BraveWalletAutoPinService::OnTokenListResolved(
       continue;
     }
 
-    auto it = known_tokens.find(current_token_path.value());
-    if (it != known_tokens.end()) {
-      known_tokens.erase(it);
-    }
+    known_tokens.erase(current_token_path.value());
 
     mojom::TokenPinStatusPtr status =
         brave_wallet_pin_service_->GetTokenStatus(absl::nullopt, token);
diff --git a/components/brave_wallet/browser/brave_wallet_pin_service.cc b/components/brave_wallet/browser/brave_wallet_pin_service.cc
index a767587ccca1..443afc5e46ea 100644
--- a/components/brave_wallet/browser/brave_wallet_pin_service.cc
+++ b/components/brave_wallet/browser/brave_wallet_pin_service.cc
@@ -33,6 +33,11 @@ const char kAssetUrlListKey[] = "cids";
 namespace {
 
 const char kNftPart[] = "nft";
+/**
+ * Service name used in prefs for local pinning service.
+ * Use absl::nullopt in methods to perform operations on
+ * the local pinning service.
+ */
 const char kLocalService[] = "local";
 
 absl::optional<mojom::TokenPinStatusCode> StringToStatus(
diff --git a/components/brave_wallet/browser/brave_wallet_pin_service.h b/components/brave_wallet/browser/brave_wallet_pin_service.h
index 461b695c5f6d..6d87692a8add 100644
--- a/components/brave_wallet/browser/brave_wallet_pin_service.h
+++ b/components/brave_wallet/browser/brave_wallet_pin_service.h
@@ -27,6 +27,10 @@
 
 namespace brave_wallet {
 
+/**
+ * At the moment only local pinning is supported so use absl::nullopt
+ * for optional service argument.
+ */
 class BraveWalletPinService : public KeyedService,
                               public brave_wallet::mojom::WalletPinService,
                               public ipfs::IpfsServiceObserver {
diff --git a/components/brave_wallet/browser/brave_wallet_service.cc b/components/brave_wallet/browser/brave_wallet_service.cc
index 82ec48511315..6c71f9907542 100644
--- a/components/brave_wallet/browser/brave_wallet_service.cc
+++ b/components/brave_wallet/browser/brave_wallet_service.cc
@@ -1450,7 +1450,8 @@ void BraveWalletService::DiscoverAssetsOnAllSupportedChains() {
   addresses[mojom::CoinType::SOL] = std::move(sol_account_addresses);
 
   // Discover assets owned by the SOL and ETH addresses on all supported chains
-  asset_discovery_manager_->DiscoverAssetsOnAllSupportedChainsRefresh(addresses);
+  asset_discovery_manager_->DiscoverAssetsOnAllSupportedChainsRefresh(
+      addresses);
 }
 
 void BraveWalletService::CancelAllSuggestedTokenCallbacks() {
diff --git a/components/brave_wallet/common/brave_wallet.mojom b/components/brave_wallet/common/brave_wallet.mojom
index 9ab969ca61f6..a9bfd0925027 100644
--- a/components/brave_wallet/common/brave_wallet.mojom
+++ b/components/brave_wallet/common/brave_wallet.mojom
@@ -266,6 +266,9 @@ interface BraveWalletPinServiceObserver {
 };
 
 // Low-level interface for token pinning.
+// String service argument is used to select on which pinning
+// service operation should be performed.
+// At the moment we have only local pinning, so use null.
 interface WalletPinService {
   AddObserver(pending_remote<BraveWalletPinServiceObserver> observer);
 
@@ -279,13 +282,14 @@ interface WalletPinService {
   // Returns overview for provided token.
   GetTokenStatus(BlockchainToken token) => (TokenPinOverview? status,
                                             PinError? error);
-  // Checks whether token in pinned correctly.
+  // Checks whether token is pinned correctly.
   Validate(BlockchainToken token, string? service) => (bool result,
                                                        PinError? error);
   // Returns whether IPFS localnode is currently running.
   IsLocalNodeRunning() => (bool result);
 
   // Returns whether token is supported for pinning.
+  // Note: You should manually check token metadata url to have ipfs:// url.
   IsTokenSupported(BlockchainToken token) => (bool result);
 };