diff --git a/storagegroup/types.proto b/storagegroup/types.proto
index 711d72c..98604e6 100644
--- a/storagegroup/types.proto
+++ b/storagegroup/types.proto
@@ -3,18 +3,13 @@ package storagegroup;
 option go_package = "github.com/nspcc-dev/neofs-api-go/storagegroup";
 option csharp_namespace = "NeoFS.API.StorageGroup";
 
-import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 import "refs/types.proto";
 
-option (gogoproto.stable_marshaler_all) = true;
-
 message StorageGroup {
-    option (gogoproto.goproto_stringer) = false;
-
     // ValidationDataSize is size of the all object's payloads included into storage group
     uint64 ValidationDataSize = 1;
     // ValidationHash is homomorphic hash of all object's payloads included into storage group
-    bytes ValidationHash = 2 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false];
+    bytes ValidationHash = 2;
 
     message Lifetime {
         enum Unit {
@@ -27,13 +22,13 @@ message StorageGroup {
         }
 
         // Unit is lifetime type
-        Unit unit = 1 [(gogoproto.customname) = "Unit"];
+        Unit unit = 1;
         // Value for lifetime
         int64 Value = 2;
     }
 
     // Lifetime is time until storage group is valid
-    Lifetime lifetime = 3 [(gogoproto.customname) = "Lifetime"];
+    Lifetime lifetime = 3;
 
     // Members carries the list of identifiers of the object storage group members.
     // The list is strictly ordered.