diff --git a/pkg/services/object/put/prm.go b/pkg/services/object/put/prm.go
index 0c8f12b45..52a7c102c 100644
--- a/pkg/services/object/put/prm.go
+++ b/pkg/services/object/put/prm.go
@@ -2,7 +2,6 @@ package putsvc
 
 import (
 	"context"
-	"crypto/ecdsa"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
@@ -21,8 +20,6 @@ type PutInitPrm struct {
 	traverseOpts []placement.Option
 
 	relay func(context.Context, client.NodeInfo, client.MultiAddressClient) error
-
-	privateKey *ecdsa.PrivateKey
 }
 
 type PutChunkPrm struct {
@@ -68,11 +65,3 @@ func (p *PutChunkPrm) WithChunk(v []byte) *PutChunkPrm {
 
 	return p
 }
-
-func (p *PutInitPrm) WithPrivateKey(v *ecdsa.PrivateKey) *PutInitPrm {
-	if p != nil {
-		p.privateKey = v
-	}
-
-	return p
-}