diff --git a/backend/scripts/setup.sql b/backend/scripts/setup.sql
index 26aad2b..9a4b0b8 100644
--- a/backend/scripts/setup.sql
+++ b/backend/scripts/setup.sql
@@ -21,7 +21,7 @@ CREATE TABLE Fingerprint (
     PRIMARY KEY (FingerprintId),
     UNIQUE KEY Fingerprint (Fingerprint),
     KEY User (UserId),
-    CONSTRAINT User FOREIGN KEY (UserId) REFERENCES User (UserId)
+    CONSTRAINT User FOREIGN KEY (UserId) REFERENCES User (UserId) ON DELETE CASCADE
 );
 
 CREATE TABLE Sharing (
@@ -31,8 +31,8 @@ CREATE TABLE Sharing (
     PRIMARY KEY (SharingId),
     UNIQUE KEY User (User, UserShared),
     KEY UserSharedId (UserShared),
-    CONSTRAINT UserId FOREIGN KEY (User) REFERENCES User (UserId),
-    CONSTRAINT UserSharedId FOREIGN KEY (UserShared) REFERENCES User (UserId)
+    CONSTRAINT UserId FOREIGN KEY (User) REFERENCES User (UserId) ON DELETE CASCADE,
+    CONSTRAINT UserSharedId FOREIGN KEY (UserShared) REFERENCES User (UserId) ON DELETE CASCADE
 );
 
 COMMIT;
\ No newline at end of file