diff --git a/AUT/AUT_TAB.SRC b/AUT/AUT_TAB.SRC
index 26606a2e..7d3da90c 100644
--- a/AUT/AUT_TAB.SRC
+++ b/AUT/AUT_TAB.SRC
@@ -67,7 +67,7 @@ CREATE TABLE aut_idp_map
         CONSTRAINT aut_k_idp_map_key PRIMARY KEY,
     aut_idp_key
         NUMBER(10)
-        CONSTRAINT aut_r_idp_map_id REFERENCES aut_idp(aut_idp_key),
+        CONSTRAINT aut_r_idp_map_id REFERENCES aut_idp(aut_idp_key) ON DELETE CASCADE,
     aut_idp_map_from --  as sent in JWT
         VARCHAR(100)
         NOT NULL,
@@ -85,6 +85,7 @@ CREATE TABLE aut_idp_map
         DEFAULT SYSDATE
 );
 
+-- Clients (zoals al dan niet native App's)
 CREATE TABLE aut_client
 (
     aut_client_key
@@ -100,13 +101,14 @@ CREATE TABLE aut_client
         VARCHAR2(320),
     aut_client_secret
         VARCHAR2(128),
+    aut_client_customuri -- future use
+        VARCHAR2(128),
     aut_client_aanmaak
         DATE
         DEFAULT SYSDATE
 );
 
 -- Koppeling client en (toestemming gegeven door) perslid
--- TODO: Kan gebruiker app op meerdere toestallen inrichten?
 CREATE TABLE aut_client_perslid
 (
     aut_client_perslid_key
diff --git a/PRS/PRS_TRI.SRC b/PRS/PRS_TRI.SRC
index 46a0c9a2..dcfb5618 100644
--- a/PRS/PRS_TRI.SRC
+++ b/PRS/PRS_TRI.SRC
@@ -211,6 +211,7 @@ BEGIN
             DELETE FROM FAC_GEBRUIKERSGROEP WHERE PRS_PERSLID_KEY = :old.prs_perslid_key;
             -- Ook een stukje veiligheid
             DELETE FROM fac_session WHERE prs_perslid_key = :old.prs_perslid_key;
+            DELETE FROM aut_client_perslid WHERE prs_perslid_key = :old.prs_perslid_key;
         END;
         -- Tenslotte: ruim de objecten die ik zelf mocht beheren op
         -- Aandacht: zou nog steeds kunnen dat dit faalt, niet mekkeren, jammer dan
@@ -244,6 +245,8 @@ BEGIN
          :new.prs_perslid_credentials_datum := SYSDATE;
          DELETE FROM fac_session
                WHERE prs_perslid_key = :new.prs_perslid_key;
+         DELETE FROM aut_client_perslid
+               WHERE prs_perslid_key = :old.prs_perslid_key;
       END IF;
 
 END;