diff --git a/src/main/java/org/openepics/names/rest/api/v1/INames.java b/src/main/java/org/openepics/names/rest/api/v1/INames.java
index e9370c464a9c1ef5909e493456b2c28aebf6abe3..7626cb87baf74056d3dfdb6975bb07bc16dc092f 100644
--- a/src/main/java/org/openepics/names/rest/api/v1/INames.java
+++ b/src/main/java/org/openepics/names/rest/api/v1/INames.java
@@ -30,8 +30,10 @@ import org.openepics.names.rest.beans.response.Response;
 import org.openepics.names.rest.beans.response.ResponseBoolean;
 import org.openepics.names.rest.beans.response.ResponseBooleanList;
 import org.openepics.names.rest.beans.response.ResponsePageNameElements;
+import org.openepics.names.service.security.dto.UserDetails;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -188,6 +190,7 @@ public interface INames {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR_OR_USER)
     public ResponseEntity<List<NameElement>> createNames(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of name elements",
@@ -720,6 +723,7 @@ public interface INames {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR_OR_USER)
     public List<NameElement> updateNames(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of name elements",
@@ -784,6 +788,7 @@ public interface INames {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR_OR_USER)
     public ResponseEntity<Response> deleteNames(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of name elements",
diff --git a/src/main/java/org/openepics/names/rest/api/v1/IStructures.java b/src/main/java/org/openepics/names/rest/api/v1/IStructures.java
index 1f78f4dc162cbfa21a5adc90826fd22ac2557f44..fa9b542e42123288228d99b379cb5bcfd87adf4c 100644
--- a/src/main/java/org/openepics/names/rest/api/v1/IStructures.java
+++ b/src/main/java/org/openepics/names/rest/api/v1/IStructures.java
@@ -31,8 +31,10 @@ import org.openepics.names.rest.beans.response.Response;
 import org.openepics.names.rest.beans.response.ResponseBoolean;
 import org.openepics.names.rest.beans.response.ResponseBooleanList;
 import org.openepics.names.rest.beans.response.ResponsePageStructureElements;
+import org.openepics.names.service.security.dto.UserDetails;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -192,6 +194,7 @@ public interface IStructures {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR)
     public ResponseEntity<List<StructureElement>> createStructures(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of structure elements",
@@ -782,6 +785,7 @@ public interface IStructures {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR)
     public List<StructureElement> updateStructures(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of structure elements",
@@ -847,6 +851,7 @@ public interface IStructures {
             consumes = {"application/json"})
     @PreAuthorize(SecurityConfiguration.IS_ADMINISTRATOR)
     public ResponseEntity<Response> deleteStructures(
+            @AuthenticationPrincipal UserDetails user,
             @Parameter(
                     in = ParameterIn.DEFAULT,
                     description = "array of structure elements",
diff --git a/src/main/java/org/openepics/names/rest/controller/NamesController.java b/src/main/java/org/openepics/names/rest/controller/NamesController.java
index 33569e4aaff56c9168b5c045a0c5c15a5ae68ce8..2e0eb347b8293ba1a343ac95aab49662e30f3822 100644
--- a/src/main/java/org/openepics/names/rest/controller/NamesController.java
+++ b/src/main/java/org/openepics/names/rest/controller/NamesController.java
@@ -36,6 +36,8 @@ import org.openepics.names.rest.beans.response.ResponseBooleanList;
 import org.openepics.names.rest.beans.response.ResponsePageNameElements;
 import org.openepics.names.service.LogService;
 import org.openepics.names.service.NamesService;
+import org.openepics.names.service.security.dto.UserDetails;
+import org.openepics.names.service.security.util.SecurityUtil;
 import org.openepics.names.util.NameElementUtil;
 import org.openepics.names.util.TextUtil;
 import org.openepics.names.util.ValidateNameElementUtil;
@@ -76,7 +78,8 @@ public class NamesController implements INames {
     }
 
     @Override
-    public ResponseEntity<List<NameElement>> createNames(List<NameElementCommandCreate> nameElementCommands) {
+    public ResponseEntity<List<NameElement>> createNames(UserDetails user,
+            List<NameElementCommandCreate> nameElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -85,7 +88,7 @@ public class NamesController implements INames {
         try {
             List<NameElementCommand> commands = NameElementUtil.convertCommandCreate2Command(nameElementCommands);
             namesService.validateNamesCreate(commands);
-            return new ResponseEntity<>(namesService.createNames(commands, TextUtil.TEST_WHO), Response.getHeaderJson(), HttpStatus.CREATED);
+            return new ResponseEntity<>(namesService.createNames(commands, SecurityUtil.getUsername(user)), Response.getHeaderJson(), HttpStatus.CREATED);
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
             throw e;
@@ -346,7 +349,8 @@ public class NamesController implements INames {
     // ----------------------------------------------------------------------------------------------------
 
     @Override
-    public List<NameElement> updateNames(List<NameElementCommandUpdate> nameElementCommands) {
+    public List<NameElement> updateNames(UserDetails user,
+            List<NameElementCommandUpdate> nameElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -355,7 +359,7 @@ public class NamesController implements INames {
         try {
             List<NameElementCommand> commands = NameElementUtil.convertCommandUpdate2Command(nameElementCommands);
             namesService.validateNamesUpdate(commands);
-            return namesService.updateNames(commands, TextUtil.TEST_WHO);
+            return namesService.updateNames(commands, SecurityUtil.getUsername(user));
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
             throw e;
@@ -368,7 +372,8 @@ public class NamesController implements INames {
     // ----------------------------------------------------------------------------------------------------
 
     @Override
-    public ResponseEntity<Response> deleteNames(List<NameElementCommandConfirm> nameElementCommands) {
+    public ResponseEntity<Response> deleteNames(UserDetails user,
+            List<NameElementCommandConfirm> nameElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -377,7 +382,7 @@ public class NamesController implements INames {
         try {
             List<NameElementCommand> commands = NameElementUtil.convertCommandConfirm2Command(nameElementCommands);
             namesService.validateNamesDelete(commands);
-            namesService.deleteNames(commands, TextUtil.TEST_WHO);
+            namesService.deleteNames(commands, SecurityUtil.getUsername(user));
             return new ResponseEntity<>(HttpStatus.NO_CONTENT);
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
diff --git a/src/main/java/org/openepics/names/rest/controller/StructuresController.java b/src/main/java/org/openepics/names/rest/controller/StructuresController.java
index 5b7fe1697829c76dcecf9318b905b2c630d0aac7..32c51cfc47ac9a1d677217d56a8ab9a3443da82b 100644
--- a/src/main/java/org/openepics/names/rest/controller/StructuresController.java
+++ b/src/main/java/org/openepics/names/rest/controller/StructuresController.java
@@ -37,6 +37,8 @@ import org.openepics.names.rest.beans.response.ResponseBooleanList;
 import org.openepics.names.rest.beans.response.ResponsePageStructureElements;
 import org.openepics.names.service.LogService;
 import org.openepics.names.service.StructuresService;
+import org.openepics.names.service.security.dto.UserDetails;
+import org.openepics.names.service.security.util.SecurityUtil;
 import org.openepics.names.util.StructureElementUtil;
 import org.openepics.names.util.TextUtil;
 import org.openepics.names.util.ValidateStructureElementUtil;
@@ -77,7 +79,8 @@ public class StructuresController implements IStructures {
     }
 
     @Override
-    public ResponseEntity<List<StructureElement>> createStructures(List<StructureElementCommandCreate> structureElementCommands) {
+    public ResponseEntity<List<StructureElement>> createStructures(UserDetails user,
+            List<StructureElementCommandCreate> structureElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -86,7 +89,7 @@ public class StructuresController implements IStructures {
         try {
             List<StructureElementCommand> commands = StructureElementUtil.convertCommandCreate2Command(structureElementCommands);
             structuresService.validateStructuresCreate(commands);
-            return new ResponseEntity<>(structuresService.createStructures(commands, TextUtil.TEST_WHO), Response.getHeaderJson(), HttpStatus.CREATED);
+            return new ResponseEntity<>(structuresService.createStructures(commands, SecurityUtil.getUsername(user)), Response.getHeaderJson(), HttpStatus.CREATED);
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
             throw e;
@@ -347,7 +350,8 @@ public class StructuresController implements IStructures {
     // ----------------------------------------------------------------------------------------------------
 
     @Override
-    public List<StructureElement> updateStructures(List<StructureElementCommandUpdate> structureElementCommands) {
+    public List<StructureElement> updateStructures(UserDetails user,
+            List<StructureElementCommandUpdate> structureElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -356,7 +360,7 @@ public class StructuresController implements IStructures {
         try {
             List<StructureElementCommand> commands = StructureElementUtil.convertCommandUpdate2Command(structureElementCommands);
             structuresService.validateStructuresUpdate(commands);
-            return structuresService.updateStructures(commands, TextUtil.TEST_WHO);
+            return structuresService.updateStructures(commands, SecurityUtil.getUsername(user));
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
             throw e;
@@ -369,7 +373,8 @@ public class StructuresController implements IStructures {
     // ----------------------------------------------------------------------------------------------------
 
     @Override
-    public ResponseEntity<Response> deleteStructures(List<StructureElementCommandConfirm> structureElementCommands) {
+    public ResponseEntity<Response> deleteStructures(UserDetails user,
+            List<StructureElementCommandConfirm> structureElementCommands) {
         // validate authority - user & admin
         // convert
         // validate
@@ -378,7 +383,7 @@ public class StructuresController implements IStructures {
         try {
             List<StructureElementCommand> commands = StructureElementUtil.convertCommandConfirm2Command(structureElementCommands);
             structuresService.validateStructuresDelete(commands);
-            structuresService.deleteStructures(commands, TextUtil.TEST_WHO);
+            structuresService.deleteStructures(commands, SecurityUtil.getUsername(user));
             return new ResponseEntity<>(HttpStatus.NO_CONTENT);
         } catch (ServiceException e) {
             logService.logServiceException(LOGGER, Level.WARNING, e);
diff --git a/src/main/java/org/openepics/names/service/security/UserService.java b/src/main/java/org/openepics/names/service/security/UserService.java
index 4a679f984291e1cb831667ab092a20aaaf061ee9..140f2f113fc2c5d242d0570da1b135279c105906 100644
--- a/src/main/java/org/openepics/names/service/security/UserService.java
+++ b/src/main/java/org/openepics/names/service/security/UserService.java
@@ -31,7 +31,7 @@ import org.openepics.names.service.LogService;
 import org.openepics.names.service.security.dto.LoginTokenDto;
 import org.openepics.names.service.security.dto.UserDetails;
 import org.openepics.names.service.security.rbac.RBACToken;
-import org.openepics.names.service.security.util.ConversionUtil;
+import org.openepics.names.service.security.util.SecurityUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -90,7 +90,7 @@ public class UserService {
      * @return The user-information stored in RBAC
      */
     public UserDetails getUserInfoFromToken(String token) {
-        return ConversionUtil.convertToUserDetails(rbacService.userInfoFromToken(token));
+        return SecurityUtil.convertToUserDetails(rbacService.userInfoFromToken(token));
     }
 
     /**
diff --git a/src/main/java/org/openepics/names/service/security/util/ConversionUtil.java b/src/main/java/org/openepics/names/service/security/util/SecurityUtil.java
similarity index 65%
rename from src/main/java/org/openepics/names/service/security/util/ConversionUtil.java
rename to src/main/java/org/openepics/names/service/security/util/SecurityUtil.java
index 6a6a532869680a8b11513f3fe529316036500276..cfca9311278b4a50ded3afcd496a4b4b4f4a955b 100644
--- a/src/main/java/org/openepics/names/service/security/util/ConversionUtil.java
+++ b/src/main/java/org/openepics/names/service/security/util/SecurityUtil.java
@@ -5,10 +5,15 @@ import org.openepics.names.service.security.rbac.RBACToken;
 
 /**
  * @author <a href="mailto:zoltan.runyo@ess.eu">Zoltan Runyo</a>
+ * @author Lars Johansson
  */
-public class ConversionUtil {
+public class SecurityUtil {
 
-    private ConversionUtil() {
+    /**
+     * This class is not to be instantiated.
+     */
+    private SecurityUtil() {
+        throw new IllegalStateException("Utility class");
     }
 
     /**
@@ -32,4 +37,14 @@ public class ConversionUtil {
         return result;
     }
 
+    /**
+     * Return username for a user.
+     *
+     * @param userDetails user details
+     * @return username
+     */
+    public static String getUsername(UserDetails userDetails) {
+        return userDetails != null ? userDetails.getUserName() : null;
+    }
+
 }
diff --git a/src/main/java/org/openepics/names/util/TextUtil.java b/src/main/java/org/openepics/names/util/TextUtil.java
index b47222d11f7dd6417713a40006f8e10a71761601..b5a972c7b0efa04d98bff8b9c010f279e5102e4c 100644
--- a/src/main/java/org/openepics/names/util/TextUtil.java
+++ b/src/main/java/org/openepics/names/util/TextUtil.java
@@ -132,9 +132,6 @@ public class TextUtil {
     public static final String ATTACHMENT_FILENAME_NAME_ELEMENT_XLSX      = "attachment; filename=NameElement.xlsx";
     public static final String ATTACHMENT_FILENAME_STRUCTURE_ELEMENT_XLSX = "attachment; filename=StructureElement.xlsx";
 
-    // test
-    public static final String TEST_WHO                                = "test who";
-
     // log
     public static final String DESCRIPTION_NUMBER_ELEMENTS        = "{0}, # elements: {1}";
     public static final String DESCRIPTION_NUMBER_ELEMENTS_IN_OUT = "{0}, # elements (in): {1}, # elements (out): {2}";
diff --git a/src/test/java/org/openepics/names/docker/NamesIT.java b/src/test/java/org/openepics/names/docker/NamesIT.java
index 049ad1f2ab9c30260bf2145305601e1fdcb0905a..b2b142d1d97f5bf96624bd4bfb0e057201bf3a76 100644
--- a/src/test/java/org/openepics/names/docker/NamesIT.java
+++ b/src/test/java/org/openepics/names/docker/NamesIT.java
@@ -678,16 +678,8 @@ class NamesIT {
         ITUtilNames.assertRead("?description=updated description%",                 1, -1);
         ITUtilNames.assertRead("?description=updated description again",            1);
 
-        ITUtilNames.assertRead("?who=test who",                                    13, -1);
+        ITUtilNames.assertRead("?who=",                                            13, -1);
         ITUtilNames.assertRead("?who=test",                                         0);
-        ITUtilNames.assertRead("?who=who",                                          0);
-        ITUtilNames.assertRead("?who=test%",                                       13, -1);
-        ITUtilNames.assertRead("?who=%who",                                        13, -1);
-        ITUtilNames.assertRead("?who=%est%",                                       13, -1);
-        ITUtilNames.assertRead("?who=%wh%",                                        13, -1);
-        ITUtilNames.assertRead("?who=wh%",                                          0);
-        ITUtilNames.assertRead("?who=asdf",                                         0);
-        ITUtilNames.assertRead("?who=%asdf%",                                       0);
 
         ITUtilNames.assertRead("?deviceStructure=EMR-FS&index=003",                 1);
 
diff --git a/src/test/java/org/openepics/names/docker/StructuresDeviceGroupIT.java b/src/test/java/org/openepics/names/docker/StructuresDeviceGroupIT.java
index 6286303a3e49ba77f5e52e34dbc9162caa0d50f4..64f88b73e26deb95fe0bf93a8055f40bb7d10250 100644
--- a/src/test/java/org/openepics/names/docker/StructuresDeviceGroupIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresDeviceGroupIT.java
@@ -864,16 +864,8 @@ class StructuresDeviceGroupIT {
         ITUtilStructures.assertRead("?type=DEVICEGROUP&description=%sc%",                                                         30, -1);
         ITUtilStructures.assertRead("?type=DEVICEGROUP&description=description",                                                  10, -1);
 
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=test who",                                                             30, -1);
+        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=",                                                                     30, -1);
         ITUtilStructures.assertRead("?type=DEVICEGROUP&who=test",                                                                  0);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=who",                                                                   0);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=test%",                                                                30, -1);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=%who",                                                                 30, -1);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=%est%",                                                                30, -1);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=%wh%",                                                                 30, -1);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=wh%",                                                                   0);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=asdf",                                                                  0);
-        ITUtilStructures.assertRead("?type=DEVICEGROUP&who=%asdf%",                                                                0);
 
         // order by
         //     avoid
diff --git a/src/test/java/org/openepics/names/docker/StructuresDeviceTypeIT.java b/src/test/java/org/openepics/names/docker/StructuresDeviceTypeIT.java
index a512138db27f4d3de7ce105ddb6c466158ff7baf..279460882ed465361d3dcedcbe94a48a6cc36e06 100644
--- a/src/test/java/org/openepics/names/docker/StructuresDeviceTypeIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresDeviceTypeIT.java
@@ -872,16 +872,8 @@ class StructuresDeviceTypeIT {
         ITUtilStructures.assertRead("?type=DEVICETYPE&description=%sc%",                                                     30, -1);
         ITUtilStructures.assertRead("?type=DEVICETYPE&description=description",                                              10, -1);
 
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=test who",                                                         30, -1);
+        ITUtilStructures.assertRead("?type=DEVICETYPE&who=",                                                                 30, -1);
         ITUtilStructures.assertRead("?type=DEVICETYPE&who=test",                                                              0);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=who",                                                               0);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=test%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=%who",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=%est%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=%wh%",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=wh%",                                                               0);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=asdf",                                                              0);
-        ITUtilStructures.assertRead("?type=DEVICETYPE&who=%asdf%",                                                            0);
 
         // order by
         //     avoid
diff --git a/src/test/java/org/openepics/names/docker/StructuresDisciplineIT.java b/src/test/java/org/openepics/names/docker/StructuresDisciplineIT.java
index 510df00a0860f20b058cbddff05a6f5dd7eed62c..1d36c322a47563464710779dc930fd0789cffb77 100644
--- a/src/test/java/org/openepics/names/docker/StructuresDisciplineIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresDisciplineIT.java
@@ -766,16 +766,8 @@ class StructuresDisciplineIT {
         ITUtilStructures.assertRead("?type=DISCIPLINE&description=%sc%",                                                     30, -1);
         ITUtilStructures.assertRead("?type=DISCIPLINE&description=description",                                              10, -1);
 
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=test who",                                                         30, -1);
+        ITUtilStructures.assertRead("?type=DISCIPLINE&who=",                                                                 30, -1);
         ITUtilStructures.assertRead("?type=DISCIPLINE&who=test",                                                              0);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=who",                                                               0);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=test%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=%who",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=%est%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=%wh%",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=wh%",                                                               0);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=asdf",                                                              0);
-        ITUtilStructures.assertRead("?type=DISCIPLINE&who=%asdf%",                                                            0);
 
         // order by
         //     avoid
diff --git a/src/test/java/org/openepics/names/docker/StructuresSubsystemIT.java b/src/test/java/org/openepics/names/docker/StructuresSubsystemIT.java
index eb3c04b4a20b8767d8b471b4d11c960be29681bb..cef336b790f3b87c11f445bcbe0ab89e53ffd5a5 100644
--- a/src/test/java/org/openepics/names/docker/StructuresSubsystemIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresSubsystemIT.java
@@ -908,16 +908,8 @@ class StructuresSubsystemIT {
         ITUtilStructures.assertRead("?type=SUBSYSTEM&description=%sc%",                                                     30, -1);
         ITUtilStructures.assertRead("?type=SUBSYSTEM&description=description",                                              10, -1);
 
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=test who",                                                         30, -1);
+        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=",                                                                 30, -1);
         ITUtilStructures.assertRead("?type=SUBSYSTEM&who=test",                                                              0);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=who",                                                               0);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=test%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=%who",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=%est%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=%wh%",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=wh%",                                                               0);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=asdf",                                                              0);
-        ITUtilStructures.assertRead("?type=SUBSYSTEM&who=%asdf%",                                                            0);
 
         // order by
         //     avoid
diff --git a/src/test/java/org/openepics/names/docker/StructuresSystemGroupIT.java b/src/test/java/org/openepics/names/docker/StructuresSystemGroupIT.java
index e284a557275a2c9989053baefdbfdb63e87feda6..b4b05e973ebe4a7f3f8b676cb33cf364ef816add 100644
--- a/src/test/java/org/openepics/names/docker/StructuresSystemGroupIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresSystemGroupIT.java
@@ -813,16 +813,8 @@ class StructuresSystemGroupIT {
         ITUtilStructures.assertRead("?type=SYSTEMGROUP&description=%sc%",                                                     30, -1);
         ITUtilStructures.assertRead("?type=SYSTEMGROUP&description=description",                                              10, -1);
 
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=test who",                                                         30, -1);
+        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=",                                                                 30, -1);
         ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=test",                                                              0);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=who",                                                               0);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=test%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=%who",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=%est%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=%wh%",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=wh%",                                                               0);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=asdf",                                                              0);
-        ITUtilStructures.assertRead("?type=SYSTEMGROUP&who=%asdf%",                                                            0);
 
         // order by
         //     avoid
diff --git a/src/test/java/org/openepics/names/docker/StructuresSystemIT.java b/src/test/java/org/openepics/names/docker/StructuresSystemIT.java
index e307784abc6da007861b60526d3024704b0b1cb4..9afadef27c0cfd0bb16ed6d2bd1427d8d8514ace 100644
--- a/src/test/java/org/openepics/names/docker/StructuresSystemIT.java
+++ b/src/test/java/org/openepics/names/docker/StructuresSystemIT.java
@@ -852,16 +852,8 @@ class StructuresSystemIT {
         ITUtilStructures.assertRead("?type=SYSTEM&description=%sc%",                                                     30, -1);
         ITUtilStructures.assertRead("?type=SYSTEM&description=description",                                              10, -1);
 
-        ITUtilStructures.assertRead("?type=SYSTEM&who=test who",                                                         30, -1);
+        ITUtilStructures.assertRead("?type=SYSTEM&who=",                                                                 30, -1);
         ITUtilStructures.assertRead("?type=SYSTEM&who=test",                                                              0);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=who",                                                               0);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=test%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=%who",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=%est%",                                                            30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=%wh%",                                                             30, -1);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=wh%",                                                               0);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=asdf",                                                              0);
-        ITUtilStructures.assertRead("?type=SYSTEM&who=%asdf%",                                                            0);
 
         // order by
         //     avoid