diff --git a/accounting/service.proto b/accounting/service.proto
index f328831..b4c6bd6 100644
--- a/accounting/service.proto
+++ b/accounting/service.proto
@@ -6,8 +6,7 @@ option go_package = "github.com/nspcc-dev/neofs-api-go/v2/accounting/grpc;accoun
 option csharp_namespace = "NeoFS.API.v2.Accounting";
 
 import "refs/types.proto";
-import "service/meta.proto";
-import "service/verify.proto";
+import "service/types.proto";
 
 // The service provides methods for obtaining information
 // about the account balance in NeoFS system.
diff --git a/container/service.proto b/container/service.proto
index b0b7165..c498477 100644
--- a/container/service.proto
+++ b/container/service.proto
@@ -8,8 +8,7 @@ option csharp_namespace = "NeoFS.API.v2.Container";
 import "acl/types.proto";
 import "container/types.proto";
 import "refs/types.proto";
-import "service/meta.proto";
-import "service/verify.proto";
+import "service/types.proto";
 
 // ContainerService provides API to access container smart-contract in morph chain
 // via NeoFS node.
diff --git a/container/types.proto b/container/types.proto
index 5b10606..589d392 100644
--- a/container/types.proto
+++ b/container/types.proto
@@ -7,7 +7,7 @@ option csharp_namespace = "NeoFS.API.v2.Container";
 
 import "netmap/types.proto";
 import "refs/types.proto";
-import "service/meta.proto";
+import "service/types.proto";
 
 // Container is a structure that defines object placement behaviour. Objects
 // can be stored only within containers. They define placement rule, attributes
diff --git a/object/service.proto b/object/service.proto
index bbd466f..aad7466 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -7,8 +7,7 @@ option csharp_namespace = "NeoFS.API.v2.Object";
 
 import "object/types.proto";
 import "refs/types.proto";
-import "service/meta.proto";
-import "service/verify.proto";
+import "service/types.proto";
 
 // Object service provides API for manipulating with the object.
 service ObjectService {
diff --git a/object/types.proto b/object/types.proto
index efcca41..c2a2afa 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -6,8 +6,7 @@ option go_package = "github.com/nspcc-dev/neofs-api-go/v2/object/grpc;object";
 option csharp_namespace = "NeoFS.API.v2.Object";
 
 import "refs/types.proto";
-import "service/meta.proto";
-import "service/verify.proto";
+import "service/types.proto";
 
 // Type of the object payload content
 enum ObjectType {
diff --git a/proto-docs/service.md b/proto-docs/service.md
index 389c54d..d61b9a1 100644
--- a/proto-docs/service.md
+++ b/proto-docs/service.md
@@ -3,37 +3,32 @@
 
 ## Table of Contents
 
-- [service/meta.proto](#service/meta.proto)
+- [service/types.proto](#service/types.proto)
 
   - Messages
     - [BearerToken](#neo.fs.v2.service.BearerToken)
     - [BearerToken.Body](#neo.fs.v2.service.BearerToken.Body)
     - [ObjectSessionContext](#neo.fs.v2.service.ObjectSessionContext)
     - [RequestMetaHeader](#neo.fs.v2.service.RequestMetaHeader)
+    - [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader)
     - [ResponseMetaHeader](#neo.fs.v2.service.ResponseMetaHeader)
+    - [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader)
     - [SessionToken](#neo.fs.v2.service.SessionToken)
     - [SessionToken.Body](#neo.fs.v2.service.SessionToken.Body)
+    - [Signature](#neo.fs.v2.service.Signature)
     - [TokenLifetime](#neo.fs.v2.service.TokenLifetime)
     - [Version](#neo.fs.v2.service.Version)
     - [XHeader](#neo.fs.v2.service.XHeader)
     
 
-- [service/verify.proto](#service/verify.proto)
-
-  - Messages
-    - [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader)
-    - [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader)
-    - [Signature](#neo.fs.v2.service.Signature)
-    
-
 - [Scalar Value Types](#scalar-value-types)
 
 
 
-<a name="service/meta.proto"></a>
+<a name="service/types.proto"></a>
 <p align="right"><a href="#top">Top</a></p>
 
-## service/meta.proto
+## service/types.proto
 
 
  <!-- end services -->
@@ -93,6 +88,20 @@ Information about the request
 | origin | [RequestMetaHeader](#neo.fs.v2.service.RequestMetaHeader) |  | RequestMetaHeader of the origin request. |
 
 
+<a name="neo.fs.v2.service.RequestVerificationHeader"></a>
+
+### Message RequestVerificationHeader
+Verification info for request signed by all intermediate nodes
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| body_signature | [Signature](#neo.fs.v2.service.Signature) |  | Request Body signature. Should be generated once by request initiator. |
+| meta_signature | [Signature](#neo.fs.v2.service.Signature) |  | Request Meta signature is added and signed by any intermediate node |
+| origin_signature | [Signature](#neo.fs.v2.service.Signature) |  | Sign previous hops |
+| origin | [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader) |  | Chain of previous hops signatures |
+
+
 <a name="neo.fs.v2.service.ResponseMetaHeader"></a>
 
 ### Message ResponseMetaHeader
@@ -108,6 +117,20 @@ Information about the response
 | origin | [ResponseMetaHeader](#neo.fs.v2.service.ResponseMetaHeader) |  | Carries response meta header of the origin response. |
 
 
+<a name="neo.fs.v2.service.ResponseVerificationHeader"></a>
+
+### Message ResponseVerificationHeader
+Verification info for response signed by all intermediate nodes
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| body_signature | [Signature](#neo.fs.v2.service.Signature) |  | Response Body signature. Should be generated once by answering node. |
+| meta_signature | [Signature](#neo.fs.v2.service.Signature) |  | Response Meta signature is added and signed by any intermediate node |
+| origin_signature | [Signature](#neo.fs.v2.service.Signature) |  | Sign previous hops |
+| origin | [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader) |  | Chain of previous hops signatures |
+
+
 <a name="neo.fs.v2.service.SessionToken"></a>
 
 ### Message SessionToken
@@ -135,6 +158,18 @@ Session token body
 | object | [ObjectSessionContext](#neo.fs.v2.service.ObjectSessionContext) |  | ObjectService session context. |
 
 
+<a name="neo.fs.v2.service.Signature"></a>
+
+### Message Signature
+Signature of something in NeoFS
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| key | [bytes](#bytes) |  | Public key used for signing. |
+| sign | [bytes](#bytes) |  | Signature |
+
+
 <a name="neo.fs.v2.service.TokenLifetime"></a>
 
 ### Message TokenLifetime
@@ -195,60 +230,6 @@ Object request verbs
 
 
 
-<a name="service/verify.proto"></a>
-<p align="right"><a href="#top">Top</a></p>
-
-## service/verify.proto
-
-
- <!-- end services -->
-
-
-<a name="neo.fs.v2.service.RequestVerificationHeader"></a>
-
-### Message RequestVerificationHeader
-Verification info for request signed by all intermediate nodes
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| body_signature | [Signature](#neo.fs.v2.service.Signature) |  | Request Body signature. Should be generated once by request initiator. |
-| meta_signature | [Signature](#neo.fs.v2.service.Signature) |  | Request Meta signature is added and signed by any intermediate node |
-| origin_signature | [Signature](#neo.fs.v2.service.Signature) |  | Sign previous hops |
-| origin | [RequestVerificationHeader](#neo.fs.v2.service.RequestVerificationHeader) |  | Chain of previous hops signatures |
-
-
-<a name="neo.fs.v2.service.ResponseVerificationHeader"></a>
-
-### Message ResponseVerificationHeader
-Verification info for response signed by all intermediate nodes
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| body_signature | [Signature](#neo.fs.v2.service.Signature) |  | Response Body signature. Should be generated once by answering node. |
-| meta_signature | [Signature](#neo.fs.v2.service.Signature) |  | Response Meta signature is added and signed by any intermediate node |
-| origin_signature | [Signature](#neo.fs.v2.service.Signature) |  | Sign previous hops |
-| origin | [ResponseVerificationHeader](#neo.fs.v2.service.ResponseVerificationHeader) |  | Chain of previous hops signatures |
-
-
-<a name="neo.fs.v2.service.Signature"></a>
-
-### Message Signature
-Signature of something in NeoFS
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| key | [bytes](#bytes) |  | Public key used for signing. |
-| sign | [bytes](#bytes) |  | Signature |
-
- <!-- end messages -->
-
- <!-- end enums -->
-
-
-
 ## Scalar Value Types
 
 | .proto Type | Notes | C++ Type | Java Type | Python Type |
diff --git a/service/meta.proto b/service/types.proto
similarity index 77%
rename from service/meta.proto
rename to service/types.proto
index aad0277..c59f4d1 100644
--- a/service/meta.proto
+++ b/service/types.proto
@@ -7,7 +7,6 @@ option csharp_namespace = "NeoFS.API.v2.Service";
 
 import "acl/types.proto";
 import "refs/types.proto";
-import "service/verify.proto";
 
 // Extended headers for Request/Response
 message XHeader {
@@ -164,3 +163,37 @@ message ResponseMetaHeader {
   // Carries response meta header of the origin response.
   ResponseMetaHeader origin = 5;
 }
+
+// Signature of something in NeoFS
+message Signature {
+  // Public key used for signing.
+  bytes key = 1;
+  // Signature
+  bytes sign = 2;
+}
+
+// Verification info for request signed by all intermediate nodes
+message RequestVerificationHeader {
+  // Request Body signature. Should be generated once by request initiator.
+  Signature body_signature = 1;
+  // Request Meta signature is added and signed by any intermediate node
+  Signature meta_signature = 2;
+  // Sign previous hops
+  Signature origin_signature = 3;
+
+  // Chain of previous hops signatures
+  RequestVerificationHeader origin = 4;
+}
+
+// Verification info for response signed by all intermediate nodes
+message ResponseVerificationHeader {
+  // Response Body signature. Should be generated once by answering node.
+  Signature body_signature = 1;
+  // Response Meta signature is added and signed by any intermediate node
+  Signature meta_signature = 2;
+  // Sign previous hops
+  Signature origin_signature = 3;
+
+  // Chain of previous hops signatures
+  ResponseVerificationHeader origin = 4;
+}
diff --git a/service/verify.proto b/service/verify.proto
deleted file mode 100644
index af4c526..0000000
--- a/service/verify.proto
+++ /dev/null
@@ -1,40 +0,0 @@
-syntax = "proto3";
-
-package neo.fs.v2.service;
-
-option go_package = "github.com/nspcc-dev/neofs-api-go/v2/service/grpc;service";
-option csharp_namespace = "NeoFS.API.v2.Service";
-
-// Signature of something in NeoFS
-message Signature {
-  // Public key used for signing.
-  bytes key = 1;
-  // Signature
-  bytes sign = 2;
-}
-
-// Verification info for request signed by all intermediate nodes
-message RequestVerificationHeader {
-  // Request Body signature. Should be generated once by request initiator.
-  Signature body_signature = 1;
-  // Request Meta signature is added and signed by any intermediate node
-  Signature meta_signature = 2;
-  // Sign previous hops
-  Signature origin_signature = 3;
-
-  // Chain of previous hops signatures
-  RequestVerificationHeader origin = 4;
-}
-
-// Verification info for response signed by all intermediate nodes
-message ResponseVerificationHeader {
-  // Response Body signature. Should be generated once by answering node.
-  Signature body_signature = 1;
-  // Response Meta signature is added and signed by any intermediate node
-  Signature meta_signature = 2;
-  // Sign previous hops
-  Signature origin_signature = 3;
-
-  // Chain of previous hops signatures
-  ResponseVerificationHeader origin = 4;
-}
diff --git a/session/service.proto b/session/service.proto
index 3c26447..b8bd37e 100644
--- a/session/service.proto
+++ b/session/service.proto
@@ -6,8 +6,7 @@ option go_package = "github.com/nspcc-dev/neofs-api-go/v2/session/grpc;session";
 option csharp_namespace = "NeoFS.API.v2.Session";
 
 import "refs/types.proto";
-import "service/meta.proto";
-import "service/verify.proto";
+import "service/types.proto";
 
 // Create Session record on Node side
 service SessionService {