diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h
index fc808774be2..1176d9cbead 100644
--- a/include/wine/server_protocol.h
+++ b/include/wine/server_protocol.h
@@ -4957,18 +4957,6 @@ struct get_object_type_reply
 
 
 
-struct unlink_object_request
-{
-    struct request_header __header;
-    obj_handle_t   handle;
-};
-struct unlink_object_reply
-{
-    struct reply_header __header;
-};
-
-
-
 struct get_token_impersonation_level_request
 {
     struct request_header __header;
@@ -5834,7 +5822,6 @@ enum request
     REQ_query_symlink,
     REQ_get_object_info,
     REQ_get_object_type,
-    REQ_unlink_object,
     REQ_get_token_impersonation_level,
     REQ_allocate_locally_unique_id,
     REQ_create_device_manager,
@@ -6129,7 +6116,6 @@ union generic_request
     struct query_symlink_request query_symlink_request;
     struct get_object_info_request get_object_info_request;
     struct get_object_type_request get_object_type_request;
-    struct unlink_object_request unlink_object_request;
     struct get_token_impersonation_level_request get_token_impersonation_level_request;
     struct allocate_locally_unique_id_request allocate_locally_unique_id_request;
     struct create_device_manager_request create_device_manager_request;
@@ -6422,7 +6408,6 @@ union generic_reply
     struct query_symlink_reply query_symlink_reply;
     struct get_object_info_reply get_object_info_reply;
     struct get_object_type_reply get_object_type_reply;
-    struct unlink_object_reply unlink_object_reply;
     struct get_token_impersonation_level_reply get_token_impersonation_level_reply;
     struct allocate_locally_unique_id_reply allocate_locally_unique_id_reply;
     struct create_device_manager_reply create_device_manager_reply;
@@ -6467,7 +6452,7 @@ union generic_reply
 
 /* ### protocol_version begin ### */
 
-#define SERVER_PROTOCOL_VERSION 627
+#define SERVER_PROTOCOL_VERSION 628
 
 /* ### protocol_version end ### */
 
diff --git a/server/directory.c b/server/directory.c
index 4d38393a6c8..198fc48ece2 100644
--- a/server/directory.c
+++ b/server/directory.c
@@ -534,18 +534,6 @@ DECL_HANDLER(get_directory_entry)
     }
 }
 
-/* unlink a named object */
-DECL_HANDLER(unlink_object)
-{
-    struct object *obj = get_handle_obj( current->process, req->handle, 0, NULL );
-
-    if (obj)
-    {
-        unlink_named_object( obj );
-        release_object( obj );
-    }
-}
-
 /* query object type name information */
 DECL_HANDLER(get_object_type)
 {
diff --git a/server/protocol.def b/server/protocol.def
index 9c8aec6960b..4a59c327287 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -3442,12 +3442,6 @@ struct handle_info
 @END
 
 
-/* Unlink a named object */
-@REQ(unlink_object)
-    obj_handle_t   handle;        /* handle to the object */
-@END
-
-
 /* Query the impersonation level of an impersonation token */
 @REQ(get_token_impersonation_level)
     obj_handle_t   handle;        /* handle to the object */
diff --git a/server/request.h b/server/request.h
index 2dfa76f9399..31ca6326691 100644
--- a/server/request.h
+++ b/server/request.h
@@ -366,7 +366,6 @@ DECL_HANDLER(open_symlink);
 DECL_HANDLER(query_symlink);
 DECL_HANDLER(get_object_info);
 DECL_HANDLER(get_object_type);
-DECL_HANDLER(unlink_object);
 DECL_HANDLER(get_token_impersonation_level);
 DECL_HANDLER(allocate_locally_unique_id);
 DECL_HANDLER(create_device_manager);
@@ -660,7 +659,6 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
     (req_handler)req_query_symlink,
     (req_handler)req_get_object_info,
     (req_handler)req_get_object_type,
-    (req_handler)req_unlink_object,
     (req_handler)req_get_token_impersonation_level,
     (req_handler)req_allocate_locally_unique_id,
     (req_handler)req_create_device_manager,
@@ -2162,8 +2160,6 @@ C_ASSERT( FIELD_OFFSET(struct get_object_type_request, handle) == 12 );
 C_ASSERT( sizeof(struct get_object_type_request) == 16 );
 C_ASSERT( FIELD_OFFSET(struct get_object_type_reply, total) == 8 );
 C_ASSERT( sizeof(struct get_object_type_reply) == 16 );
-C_ASSERT( FIELD_OFFSET(struct unlink_object_request, handle) == 12 );
-C_ASSERT( sizeof(struct unlink_object_request) == 16 );
 C_ASSERT( FIELD_OFFSET(struct get_token_impersonation_level_request, handle) == 12 );
 C_ASSERT( sizeof(struct get_token_impersonation_level_request) == 16 );
 C_ASSERT( FIELD_OFFSET(struct get_token_impersonation_level_reply, impersonation_level) == 8 );
diff --git a/server/trace.c b/server/trace.c
index 5fd68111955..585ac50a0f0 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -4123,11 +4123,6 @@ static void dump_get_object_type_reply( const struct get_object_type_reply *req
     dump_varargs_unicode_str( ", type=", cur_size );
 }
 
-static void dump_unlink_object_request( const struct unlink_object_request *req )
-{
-    fprintf( stderr, " handle=%04x", req->handle );
-}
-
 static void dump_get_token_impersonation_level_request( const struct get_token_impersonation_level_request *req )
 {
     fprintf( stderr, " handle=%04x", req->handle );
@@ -4749,7 +4744,6 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_query_symlink_request,
     (dump_func)dump_get_object_info_request,
     (dump_func)dump_get_object_type_request,
-    (dump_func)dump_unlink_object_request,
     (dump_func)dump_get_token_impersonation_level_request,
     (dump_func)dump_allocate_locally_unique_id_request,
     (dump_func)dump_create_device_manager_request,
@@ -5040,7 +5034,6 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_query_symlink_reply,
     (dump_func)dump_get_object_info_reply,
     (dump_func)dump_get_object_type_reply,
-    NULL,
     (dump_func)dump_get_token_impersonation_level_reply,
     (dump_func)dump_allocate_locally_unique_id_reply,
     (dump_func)dump_create_device_manager_reply,
@@ -5331,7 +5324,6 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
     "query_symlink",
     "get_object_info",
     "get_object_type",
-    "unlink_object",
     "get_token_impersonation_level",
     "allocate_locally_unique_id",
     "create_device_manager",