diff --git a/api/auth/signer/v4/v4.go b/api/auth/signer/v4/v4.go
index 4680cc8..94afc34 100644
--- a/api/auth/signer/v4/v4.go
+++ b/api/auth/signer/v4/v4.go
@@ -790,6 +790,8 @@ const doubleSpace = "  "
 
 // stripExcessSpaces will rewrite the passed in slice's string values to not
 // contain multiple side-by-side spaces.
+//
+//nolint:revive
 func stripExcessSpaces(vals []string) {
 	var j, k, l, m, spaces int
 	for i, str := range vals {
diff --git a/api/layer/frostfs_mock.go b/api/layer/frostfs_mock.go
index 1b1c57c..36277ef 100644
--- a/api/layer/frostfs_mock.go
+++ b/api/layer/frostfs_mock.go
@@ -189,7 +189,7 @@ func (t *TestFrostFS) ReadObject(ctx context.Context, prm PrmObjectRead) (*Objec
 	return nil, fmt.Errorf("%w: %s", apistatus.ObjectNotFound{}, addr)
 }
 
-func (t *TestFrostFS) CreateObject(ctx context.Context, prm PrmObjectCreate) (oid.ID, error) {
+func (t *TestFrostFS) CreateObject(_ context.Context, prm PrmObjectCreate) (oid.ID, error) {
 	b := make([]byte, 32)
 	if _, err := io.ReadFull(rand.Reader, b); err != nil {
 		return oid.ID{}, err
diff --git a/api/layer/tree_mock.go b/api/layer/tree_mock.go
index aa42833..ffdedc2 100644
--- a/api/layer/tree_mock.go
+++ b/api/layer/tree_mock.go
@@ -59,17 +59,17 @@ func (t *TreeServiceMock) DeleteObjectTagging(_ context.Context, bktInfo *data.B
 	return nil
 }
 
-func (t *TreeServiceMock) GetBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) (map[string]string, error) {
+func (t *TreeServiceMock) GetBucketTagging(context.Context, *data.BucketInfo) (map[string]string, error) {
 	// TODO implement me
 	panic("implement me")
 }
 
-func (t *TreeServiceMock) PutBucketTagging(ctx context.Context, bktInfo *data.BucketInfo, tagSet map[string]string) error {
+func (t *TreeServiceMock) PutBucketTagging(context.Context, *data.BucketInfo, map[string]string) error {
 	// TODO implement me
 	panic("implement me")
 }
 
-func (t *TreeServiceMock) DeleteBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) error {
+func (t *TreeServiceMock) DeleteBucketTagging(context.Context, *data.BucketInfo) error {
 	// TODO implement me
 	panic("implement me")
 }
@@ -100,15 +100,15 @@ func (t *TreeServiceMock) GetSettingsNode(_ context.Context, bktInfo *data.Bucke
 	return settings, nil
 }
 
-func (t *TreeServiceMock) GetNotificationConfigurationNode(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error) {
+func (t *TreeServiceMock) GetNotificationConfigurationNode(context.Context, *data.BucketInfo) (oid.ID, error) {
 	panic("implement me")
 }
 
-func (t *TreeServiceMock) PutNotificationConfigurationNode(ctx context.Context, bktInfo *data.BucketInfo, objID oid.ID) (oid.ID, error) {
+func (t *TreeServiceMock) PutNotificationConfigurationNode(context.Context, *data.BucketInfo, oid.ID) (oid.ID, error) {
 	panic("implement me")
 }
 
-func (t *TreeServiceMock) GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error) {
+func (t *TreeServiceMock) GetBucketCORS(_ context.Context, bktInfo *data.BucketInfo) (oid.ID, error) {
 	systemMap, ok := t.system[bktInfo.CID.EncodeToString()]
 	if !ok {
 		return oid.ID{}, nil
@@ -122,7 +122,7 @@ func (t *TreeServiceMock) GetBucketCORS(ctx context.Context, bktInfo *data.Bucke
 	return node.OID, nil
 }
 
-func (t *TreeServiceMock) PutBucketCORS(ctx context.Context, bktInfo *data.BucketInfo, objID oid.ID) (oid.ID, error) {
+func (t *TreeServiceMock) PutBucketCORS(_ context.Context, bktInfo *data.BucketInfo, objID oid.ID) (oid.ID, error) {
 	systemMap, ok := t.system[bktInfo.CID.EncodeToString()]
 	if !ok {
 		systemMap = make(map[string]*data.BaseNodeVersion)
@@ -137,7 +137,7 @@ func (t *TreeServiceMock) PutBucketCORS(ctx context.Context, bktInfo *data.Bucke
 	return oid.ID{}, ErrNoNodeToRemove
 }
 
-func (t *TreeServiceMock) DeleteBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error) {
+func (t *TreeServiceMock) DeleteBucketCORS(context.Context, *data.BucketInfo) (oid.ID, error) {
 	panic("implement me")
 }
 
@@ -314,7 +314,7 @@ func (t *TreeServiceMock) CreateMultipartUpload(_ context.Context, bktInfo *data
 	return nil
 }
 
-func (t *TreeServiceMock) GetMultipartUploadsByPrefix(ctx context.Context, bktInfo *data.BucketInfo, prefix string) ([]*data.MultipartInfo, error) {
+func (t *TreeServiceMock) GetMultipartUploadsByPrefix(context.Context, *data.BucketInfo, string) ([]*data.MultipartInfo, error) {
 	panic("implement me")
 }
 
@@ -407,7 +407,7 @@ LOOP:
 	return nil
 }
 
-func (t *TreeServiceMock) PutLock(ctx context.Context, bktInfo *data.BucketInfo, nodeID uint64, lock *data.LockInfo) error {
+func (t *TreeServiceMock) PutLock(_ context.Context, bktInfo *data.BucketInfo, nodeID uint64, lock *data.LockInfo) error {
 	cnrLockMap, ok := t.locks[bktInfo.CID.EncodeToString()]
 	if !ok {
 		t.locks[bktInfo.CID.EncodeToString()] = map[uint64]*data.LockInfo{
@@ -421,7 +421,7 @@ func (t *TreeServiceMock) PutLock(ctx context.Context, bktInfo *data.BucketInfo,
 	return nil
 }
 
-func (t *TreeServiceMock) GetLock(ctx context.Context, bktInfo *data.BucketInfo, nodeID uint64) (*data.LockInfo, error) {
+func (t *TreeServiceMock) GetLock(_ context.Context, bktInfo *data.BucketInfo, nodeID uint64) (*data.LockInfo, error) {
 	cnrLockMap, ok := t.locks[bktInfo.CID.EncodeToString()]
 	if !ok {
 		return nil, nil
diff --git a/api/layer/util.go b/api/layer/util.go
index 4b37c3a..a0370e0 100644
--- a/api/layer/util.go
+++ b/api/layer/util.go
@@ -74,7 +74,7 @@ func objectInfoFromMeta(bkt *data.BucketInfo, meta *object.Object) *data.ObjectI
 		mimeType = contentType
 		delete(headers, object.AttributeContentType)
 	}
-	if val, ok := headers[object.AttributeTimestamp]; !ok {
+	if val, ok := headers[object.AttributeTimestamp]; !ok { //nolint:revive
 		// ignore empty value
 	} else if dt, err := strconv.ParseInt(val, 10, 64); err == nil {
 		creation = time.Unix(dt, 0)
diff --git a/api/notifications/controller.go b/api/notifications/controller.go
index 68b913c..dca6acf 100644
--- a/api/notifications/controller.go
+++ b/api/notifications/controller.go
@@ -131,7 +131,7 @@ func NewController(p *Options, l *zap.Logger) (*Controller, error) {
 	}, nil
 }
 
-func (c *Controller) Subscribe(ctx context.Context, topic string, handler layer.MsgHandler) error {
+func (c *Controller) Subscribe(_ context.Context, topic string, handler layer.MsgHandler) error {
 	ch := make(chan *nats.Msg, 1)
 
 	c.mu.RLock()
diff --git a/cmd/s3-gw/app_settings.go b/cmd/s3-gw/app_settings.go
index 25a33d2..ab0b544 100644
--- a/cmd/s3-gw/app_settings.go
+++ b/cmd/s3-gw/app_settings.go
@@ -421,11 +421,7 @@ func bindFlags(v *viper.Viper, flags *pflag.FlagSet) error {
 	if err := v.BindPFlag(cfgServer+".0."+cfgTLSKeyFile, flags.Lookup(cfgTLSKeyFile)); err != nil {
 		return err
 	}
-	if err := v.BindPFlag(cfgServer+".0."+cfgTLSCertFile, flags.Lookup(cfgTLSCertFile)); err != nil {
-		return err
-	}
-
-	return nil
+	return v.BindPFlag(cfgServer+".0."+cfgTLSCertFile, flags.Lookup(cfgTLSCertFile))
 }
 
 func readInConfig(v *viper.Viper) error {
@@ -489,11 +485,7 @@ func mergeConfig(v *viper.Viper, fileName string) error {
 		}
 	}()
 
-	if err = v.MergeConfig(cfgFile); err != nil {
-		return err
-	}
-
-	return nil
+	return v.MergeConfig(cfgFile)
 }
 
 // newLogger constructs a Logger instance for the current application.
diff --git a/pkg/service/tree/tree_client_in_memory.go b/pkg/service/tree/tree_client_in_memory.go
index 740c482..3c3128b 100644
--- a/pkg/service/tree/tree_client_in_memory.go
+++ b/pkg/service/tree/tree_client_in_memory.go
@@ -183,7 +183,7 @@ func NewTreeServiceClientMemory() (*ServiceClientMemory, error) {
 	}, nil
 }
 
-func (c *ServiceClientMemory) GetNodes(ctx context.Context, p *GetNodesParams) ([]NodeResponse, error) {
+func (c *ServiceClientMemory) GetNodes(_ context.Context, p *GetNodesParams) ([]NodeResponse, error) {
 	cnr, ok := c.containers[p.BktInfo.CID.EncodeToString()]
 	if !ok {
 		return nil, nil
@@ -211,7 +211,7 @@ func (c *ServiceClientMemory) GetNodes(ctx context.Context, p *GetNodesParams) (
 	return res2, nil
 }
 
-func (c *ServiceClientMemory) GetSubTree(ctx context.Context, bktInfo *data.BucketInfo, treeID string, rootID uint64, depth uint32) ([]NodeResponse, error) {
+func (c *ServiceClientMemory) GetSubTree(_ context.Context, bktInfo *data.BucketInfo, treeID string, rootID uint64, depth uint32) ([]NodeResponse, error) {
 	cnr, ok := c.containers[bktInfo.CID.EncodeToString()]
 	if !ok {
 		return nil, nil
@@ -257,7 +257,7 @@ func newMemoryTree() memoryTree {
 	}
 }
 
-func (c *ServiceClientMemory) AddNode(ctx context.Context, bktInfo *data.BucketInfo, treeID string, parent uint64, meta map[string]string) (uint64, error) {
+func (c *ServiceClientMemory) AddNode(_ context.Context, bktInfo *data.BucketInfo, treeID string, parent uint64, meta map[string]string) (uint64, error) {
 	cnr, ok := c.containers[bktInfo.CID.EncodeToString()]
 	if !ok {
 		cnr = newContainerInfo(bktInfo, treeID)
@@ -294,7 +294,7 @@ func (c *ServiceClientMemory) AddNode(ctx context.Context, bktInfo *data.BucketI
 	return newID, nil
 }
 
-func (c *ServiceClientMemory) AddNodeByPath(ctx context.Context, bktInfo *data.BucketInfo, treeID string, path []string, meta map[string]string) (uint64, error) {
+func (c *ServiceClientMemory) AddNodeByPath(_ context.Context, bktInfo *data.BucketInfo, treeID string, path []string, meta map[string]string) (uint64, error) {
 	cnr, ok := c.containers[bktInfo.CID.EncodeToString()]
 	if !ok {
 		cnr = newContainerInfo(bktInfo, treeID)
@@ -331,7 +331,7 @@ func (c *ServiceClientMemory) AddNodeByPath(ctx context.Context, bktInfo *data.B
 	return newID, nil
 }
 
-func (c *ServiceClientMemory) MoveNode(ctx context.Context, bktInfo *data.BucketInfo, treeID string, nodeID, parentID uint64, meta map[string]string) error {
+func (c *ServiceClientMemory) MoveNode(_ context.Context, bktInfo *data.BucketInfo, treeID string, nodeID, parentID uint64, meta map[string]string) error {
 	cnr, ok := c.containers[bktInfo.CID.EncodeToString()]
 	if !ok {
 		return ErrNodeNotFound
@@ -361,7 +361,7 @@ func (c *ServiceClientMemory) MoveNode(ctx context.Context, bktInfo *data.Bucket
 	return nil
 }
 
-func (c *ServiceClientMemory) RemoveNode(ctx context.Context, bktInfo *data.BucketInfo, treeID string, nodeID uint64) error {
+func (c *ServiceClientMemory) RemoveNode(_ context.Context, bktInfo *data.BucketInfo, treeID string, nodeID uint64) error {
 	cnr, ok := c.containers[bktInfo.CID.EncodeToString()]
 	if !ok {
 		return ErrNodeNotFound