diff --git a/.golangci.yml b/.golangci.yml
index fda26c2f5f..54a2261cbc 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -48,6 +48,7 @@ linters:
     - gofmt
     - goimports
     - misspell
+    - predeclared
     - reassign
     - whitespace
   disable-all: true
diff --git a/pkg/innerring/processors/container/process_container.go b/pkg/innerring/processors/container/process_container.go
index 0cb97ca20e..f4a3339889 100644
--- a/pkg/innerring/processors/container/process_container.go
+++ b/pkg/innerring/processors/container/process_container.go
@@ -127,13 +127,13 @@ func (cp *Processor) approvePutContainer(ctx *putContainerContext) {
 
 // Process delete container operation from the user by checking container sanity
 // and sending approve tx back to morph.
-func (cp *Processor) processContainerDelete(delete *containerEvent.Delete) {
+func (cp *Processor) processContainerDelete(e *containerEvent.Delete) {
 	if !cp.alphabetState.IsAlphabet() {
 		cp.log.Info("non alphabet mode, ignore container delete")
 		return
 	}
 
-	err := cp.checkDeleteContainer(delete)
+	err := cp.checkDeleteContainer(e)
 	if err != nil {
 		cp.log.Error("delete container check failed",
 			zap.String("error", err.Error()),
@@ -142,7 +142,7 @@ func (cp *Processor) processContainerDelete(delete *containerEvent.Delete) {
 		return
 	}
 
-	cp.approveDeleteContainer(delete)
+	cp.approveDeleteContainer(e)
 }
 
 func (cp *Processor) checkDeleteContainer(e *containerEvent.Delete) error {
diff --git a/pkg/services/audit/taskmanager/manager.go b/pkg/services/audit/taskmanager/manager.go
index 44b14c3fed..081939e7d8 100644
--- a/pkg/services/audit/taskmanager/manager.go
+++ b/pkg/services/audit/taskmanager/manager.go
@@ -68,9 +68,9 @@ func WithWorkerPool(p util.WorkerPool) Option {
 }
 
 // WithQueueCapacity returns option to set task queue capacity.
-func WithQueueCapacity(cap uint32) Option {
+func WithQueueCapacity(capacity uint32) Option {
 	return func(c *cfg) {
-		c.queueCap = cap
+		c.queueCap = capacity
 	}
 }
 
diff --git a/pkg/services/object_manager/transformer/transformer.go b/pkg/services/object_manager/transformer/transformer.go
index 159f76c266..274496e5d7 100644
--- a/pkg/services/object_manager/transformer/transformer.go
+++ b/pkg/services/object_manager/transformer/transformer.go
@@ -174,11 +174,11 @@ func payloadHashersForObject(obj *object.Object, withoutHomomorphicHash bool) []
 	return hashers
 }
 
-func (s *payloadSizeLimiter) release(close bool) (*AccessIdentifiers, error) {
-	// Arg close is true only from Close method.
+func (s *payloadSizeLimiter) release(finalize bool) (*AccessIdentifiers, error) {
+	// Arg finalize is true only when called from Close method.
 	// We finalize parent and generate linking objects only if it is more
 	// than 1 object in split-chain.
-	withParent := close && len(s.previous) > 0
+	withParent := finalize && len(s.previous) > 0
 
 	if withParent {
 		writeHashes(s.parentHashers)
diff --git a/pkg/services/policer/policer.go b/pkg/services/policer/policer.go
index ed0a2f8bf1..32dfce4c47 100644
--- a/pkg/services/policer/policer.go
+++ b/pkg/services/policer/policer.go
@@ -196,9 +196,9 @@ func WithRedundantCopyCallback(cb RedundantCopyCallback) Option {
 
 // WithMaxCapacity returns option to set max capacity
 // that can be set to the pool.
-func WithMaxCapacity(cap int) Option {
+func WithMaxCapacity(capacity int) Option {
 	return func(c *cfg) {
-		c.maxCapacity = cap
+		c.maxCapacity = capacity
 	}
 }