diff --git a/src/DIRAC/ProductionSystem/scripts/dirac_prod_get.py b/src/DIRAC/ProductionSystem/scripts/dirac_prod_get.py
index 90426ee2d02..f7c42efdf60 100755
--- a/src/DIRAC/ProductionSystem/scripts/dirac_prod_get.py
+++ b/src/DIRAC/ProductionSystem/scripts/dirac_prod_get.py
@@ -24,7 +24,7 @@ def main():
     prodID = args[0]
     res = prodClient.getProduction(prodID)
 
-    fields = ["ProductionName", "Status", "ProductionID", "CreationDate", "LastUpdate", "AuthorDN", "AuthorGroup"]
+    fields = ["ProductionName", "Status", "ProductionID", "CreationDate", "LastUpdate", "Author", "AuthorGroup"]
     records = []
 
     if res["OK"]:
@@ -39,7 +39,7 @@ def main():
                     str(prod["ProductionID"]),
                     str(prod["CreationDate"]),
                     str(prod["LastUpdate"]),
-                    str(prod["AuthorDN"]),
+                    str(prod["Author"]),
                     str(prod["AuthorGroup"]),
                 ]
             )
diff --git a/src/DIRAC/ProductionSystem/scripts/dirac_prod_get_all.py b/src/DIRAC/ProductionSystem/scripts/dirac_prod_get_all.py
index 171f332b6ae..1c77ef3c407 100755
--- a/src/DIRAC/ProductionSystem/scripts/dirac_prod_get_all.py
+++ b/src/DIRAC/ProductionSystem/scripts/dirac_prod_get_all.py
@@ -16,7 +16,7 @@ def main():
     prodClient = ProductionClient()
     res = prodClient.getProductions()
 
-    fields = ["ProductionName", "Status", "ProductionID", "CreationDate", "LastUpdate", "AuthorDN", "AuthorGroup"]
+    fields = ["ProductionName", "Status", "ProductionID", "CreationDate", "LastUpdate", "Author", "AuthorGroup"]
     records = []
 
     if res["OK"]:
@@ -31,7 +31,7 @@ def main():
                     str(prod["ProductionID"]),
                     str(prod["CreationDate"]),
                     str(prod["LastUpdate"]),
-                    str(prod["AuthorDN"]),
+                    str(prod["Author"]),
                     str(prod["AuthorGroup"]),
                 ]
             )
diff --git a/src/DIRAC/WorkloadManagementSystem/DB/SandboxMetadataDB.py b/src/DIRAC/WorkloadManagementSystem/DB/SandboxMetadataDB.py
index 639beb8afeb..04d43dbcc39 100644
--- a/src/DIRAC/WorkloadManagementSystem/DB/SandboxMetadataDB.py
+++ b/src/DIRAC/WorkloadManagementSystem/DB/SandboxMetadataDB.py
@@ -330,7 +330,7 @@ def deleteSandboxes(self, SBIdList):
                 return result
         return S_OK()
 
-    def getSandboxId(self, SEName, SEPFN, requesterName, requesterGroup, field="SBId", requesterDN=None):
+    def getSandboxId(self, SEName, SEPFN, requesterName, requesterGroup, field="SBId"):
         """
         Get the sandboxId if it exists
 
@@ -350,7 +350,7 @@ def getSandboxId(self, SEName, SEPFN, requesterName, requesterGroup, field="SBId
             "s.OwnerId=o.OwnerId",
         ]
         sqlCmd = f"SELECT s.{field} FROM `sb_SandBoxes` s, `sb_Owners` o WHERE"
-        requesterProps = Registry.getPropertiesForEntity(requesterGroup, name=requesterName, dn=requesterDN)
+        requesterProps = Registry.getPropertiesForEntity(requesterGroup, name=requesterName)
         if Properties.JOB_ADMINISTRATOR in requesterProps or Properties.JOB_MONITOR in requesterProps:
             # Do nothing, just ensure it doesn't fit in the other cases
             pass
@@ -370,24 +370,3 @@ def getSandboxId(self, SEName, SEPFN, requesterName, requesterGroup, field="SBId
         if not data:
             return S_ERROR("No sandbox matches the requirements")
         return S_OK(data[0][0])
-
-    def getSandboxOwner(self, SEName, SEPFN, requesterDN, requesterGroup):
-        """get the sandbox owner, if such sandbox exists
-
-        :param SEName: name of the StorageElement
-        :param SEPFN: PFN of the Sandbox
-        :param requesterDN: host DN used as credentials
-        :param requesterGroup: group used to use as credentials (should be 'hosts')
-
-        :returns: S_OK with tuple (owner, ownerGroup, VO)
-        """
-        if not (res := self.getSandboxId(SEName, SEPFN, None, requesterGroup, "OwnerId", requesterDN=requesterDN))[
-            "OK"
-        ]:
-            return res
-
-        if not (
-            res := self._query(f"SELECT `Owner`, `OwnerGroup`, `VO` FROM `sb_Owners` WHERE `OwnerId` = {res['Value']}")
-        )["OK"]:
-            return res
-        return S_OK(res["Value"][0])
diff --git a/src/DIRAC/WorkloadManagementSystem/scripts/dirac_wms_pilot_job_info.py b/src/DIRAC/WorkloadManagementSystem/scripts/dirac_wms_pilot_job_info.py
index 240a979307b..87519103fb7 100755
--- a/src/DIRAC/WorkloadManagementSystem/scripts/dirac_wms_pilot_job_info.py
+++ b/src/DIRAC/WorkloadManagementSystem/scripts/dirac_wms_pilot_job_info.py
@@ -19,7 +19,7 @@ def _stringInList(subStr, sList):
 
 @Script()
 def main():
-    parameters = ["OwnerDN", "StartExecTime", "EndExecTime"]
+    parameters = ["Owner", "StartExecTime", "EndExecTime"]
     Script.registerSwitch("", "Parameters=", "   List of strings to be matched by job parameters or attributes")
     # Registering arguments will automatically add their description to the help menu
     Script.registerArgument(["PilotID:  Grid ID of the pilot"])
diff --git a/tests/Integration/WorkloadManagementSystem/Test_SandboxMetadataDB.py b/tests/Integration/WorkloadManagementSystem/Test_SandboxMetadataDB.py
index 6da5c5303f7..8208bf5c4eb 100644
--- a/tests/Integration/WorkloadManagementSystem/Test_SandboxMetadataDB.py
+++ b/tests/Integration/WorkloadManagementSystem/Test_SandboxMetadataDB.py
@@ -15,7 +15,6 @@ def test_SandboxMetadataDB():
     smDB = SandboxMetadataDB()
 
     owner = "adminusername"
-    ownerDN = "/C=ch/O=DIRAC/OU=DIRAC CI/CN=ciuser"
     ownerGroup = "dirac_admin"
     VO = "vo"
 
@@ -33,10 +32,6 @@ def test_SandboxMetadataDB():
     assert res["OK"], res["Message"]
     assert res["Value"] == 1
 
-    res = smDB.getSandboxOwner(sbSE, sbPFN, ownerDN, ownerGroup)
-    assert res["OK"], res["Message"]
-    assert res["Value"] == (owner, ownerGroup, VO)
-
     res = smDB.getSandboxId(sbSE, sbPFN, owner, ownerGroup)
     assert res["OK"], res["Message"]
     assert res["Value"] == sbId