diff --git a/block/manager.go b/block/manager.go
index 8c843442b..ed5e09062 100644
--- a/block/manager.go
+++ b/block/manager.go
@@ -238,7 +238,6 @@ func (m *Manager) loadFraud(path string) error {
 
 // Start starts the block manager.
 func (m *Manager) Start(ctx context.Context) error {
-
 	m.Ctx, m.Cancel = context.WithCancel(ctx)
 	// Check if InitChain flow is needed
 	if m.State.IsGenesis() {
diff --git a/block/submit.go b/block/submit.go
index 2caa7f390..8900b7270 100644
--- a/block/submit.go
+++ b/block/submit.go
@@ -241,7 +241,7 @@ func (m *Manager) CreateBatch(maxBatchSize uint64, startHeight uint64, endHeight
 }
 
 func (m *Manager) SubmitBatch(batch *types.Batch) error {
-	var daBatch = batch
+	daBatch := batch
 	// a little optimized to avoid expensive clone on every batch
 	// only clone and apply frauds if a fraud is actually specified
 	// if fraud is specified, it's only for the DA, not for the SL
diff --git a/dofraud/apply.go b/dofraud/apply.go
index 2b0a167f4..4185a6248 100644
--- a/dofraud/apply.go
+++ b/dofraud/apply.go
@@ -6,8 +6,10 @@ import (
 	"github.com/dymensionxyz/dymint/types"
 )
 
-type FraudVariant = int
-type FraudType = int
+type (
+	FraudVariant = int
+	FraudType    = int
+)
 
 // Variant
 const (
diff --git a/dofraud/z_test.go b/dofraud/z_test.go
index ccf16e325..e83594957 100644
--- a/dofraud/z_test.go
+++ b/dofraud/z_test.go
@@ -38,7 +38,7 @@ func TestGenerateJson(t *testing.T) {
 	data, err := json.MarshalIndent(examples, "", "  ")
 	require.NoError(t, err)
 
-	err = os.WriteFile(fp, data, 0644)
+	err = os.WriteFile(fp, data, 0o644)
 	require.NoError(t, err)
 }