diff --git a/00-init.sql b/00-init.sql
index 8e19a29a8811fdeda5af50c51619bb3146c9dc5f..e274457793218dec4cd8c82698022e1e3a859969 100644
--- a/00-init.sql
+++ b/00-init.sql
@@ -70,7 +70,6 @@ CREATE TABLE node (
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously
     sticky                 BOOLEAN       default false,
     busy_state             BOOLEAN       default NULL,
-    owner_id               VARCHAR       default NULL,
     creator_id             VARCHAR       default NULL,
     group_read             VARCHAR[]     default NULL,
     group_write            VARCHAR[]     default NULL,
@@ -110,7 +109,6 @@ CREATE TABLE deleted_node (
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously
     sticky                 BOOLEAN       default false,
     busy_state             BOOLEAN       default NULL,
-    owner_id               VARCHAR       default NULL,
     creator_id             VARCHAR       default NULL,
     group_read             VARCHAR[]     default NULL,
     group_write            VARCHAR[]     default NULL,
diff --git a/05-data.sql b/05-data.sql
index 86c72705c4c678a63503069c9fd803cbc5733d30..27bda0885782401ba0dfac5170d6a56fae195766 100644
--- a/05-data.sql
+++ b/05-data.sql
@@ -20,20 +20,20 @@ INSERT INTO location (location_type, storage_src_id, storage_dest_id) VALUES ('p
 
 
 /*
-   Initialization test for vospace node table; for now owner_id and group_id are set equal to the user_id
+   Initialization test for vospace node table
 */
 
 
 -- parent_path = parent_relative_path
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, is_public, sticky) VALUES (NULL, NULL, '', 'container', '0', '0', true, true);                                                                                -- /
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, sticky) VALUES ('', NULL, 'cristiano.urban', 'container', '3354', '3354', true);                                                                        -- /curban
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, sticky) VALUES ('', NULL, 'sara.bertocco', 'container', '2048', '2048', true);                                                                     -- /sbertocco
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, sticky) VALUES ('', NULL, 'sonia.zorba', 'container', '2386', '2386', true);                                                                        -- /szorba
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, is_public, sticky) VALUES (NULL, NULL, '', 'container', '0', true, true);                                                                                -- /
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, sticky) VALUES ('', NULL, 'cristiano.urban', 'container', '3354', true);                                                                        -- /curban
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, sticky) VALUES ('', NULL, 'sara.bertocco', 'container', '2048', true);                                                                     -- /sbertocco
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, sticky) VALUES ('', NULL, 'sonia.zorba', 'container', '2386', true);                                                                        -- /szorba
 -- parent_path <> parent_relative_path
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, group_read, group_write) VALUES ('', NULL, 'test', 'container', '2386', '2386', '{"VOSpace.test1"}','{"VOSpace.test1"}');      -- /test
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id) VALUES ('5', '', 'f1', 'container', '2386', '2386');                                                                           -- /test/f1 (rel: /f1)
-INSERT INTO node (parent_path, parent_relative_path, name, os_name, type, owner_id, creator_id, location_id) VALUES ('5.6', '6', 'f2_renamed', 'f2', 'container', '2386', '2386', 1);                                                 -- /test/f1/f2_renamed (rel: /f1/f2)
-INSERT INTO node (parent_path, parent_relative_path, name, type, owner_id, creator_id, location_id) VALUES ('5.6.7', '6.7', 'f3', 'data', '2386', '2386', 1);                                                                         -- /test/f1/f2_renamed/f3 (rel: /f1/f2/f3)
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, group_read, group_write) VALUES ('', NULL, 'test', 'container', '2386', '{"VOSpace.test1"}','{"VOSpace.test1"}');      -- /test
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id) VALUES ('5', '', 'f1', 'container', '2386');                                                                           -- /test/f1 (rel: /f1)
+INSERT INTO node (parent_path, parent_relative_path, name, os_name, type, creator_id, location_id) VALUES ('5.6', '6', 'f2_renamed', 'f2', 'container', '2386', 1);                                                 -- /test/f1/f2_renamed (rel: /f1/f2)
+INSERT INTO node (parent_path, parent_relative_path, name, type, creator_id, location_id) VALUES ('5.6.7', '6.7', 'f3', 'data', '2386', 1);                                                                         -- /test/f1/f2_renamed/f3 (rel: /f1/f2/f3)
 
 
 /*