diff --git a/app/Models/ClientContact.php b/app/Models/ClientContact.php
index 425b9a09fca8..cc8804e08438 100644
--- a/app/Models/ClientContact.php
+++ b/app/Models/ClientContact.php
@@ -139,6 +139,21 @@ class ClientContact extends Authenticatable implements HasLocalePreference
         return $this->belongsTo(User::class)->withTrashed();
     }
 
+    public function invoice_invitations()
+    {
+        return $this->hasMany(InvoiceInvitation::class);
+    }
+
+    public function quote_invitations()
+    {
+        return $this->hasMany(QuoteInvitation::class);
+    }
+
+    public function credit_invitations()
+    {
+        return $this->hasMany(CreditInvitation::class);
+    }
+
     public function sendPasswordResetNotification($token)
     {
         $this->notify(new ClientContactResetPassword($token));
diff --git a/app/Observers/ClientContactObserver.php b/app/Observers/ClientContactObserver.php
index a5682961e95e..3f07ddfd44db 100644
--- a/app/Observers/ClientContactObserver.php
+++ b/app/Observers/ClientContactObserver.php
@@ -45,7 +45,9 @@ class ClientContactObserver
      */
     public function deleted(ClientContact $clientContact)
     {
-        //
+        $clientContact->invoice_invitations()->delete();
+        $clientContact->quote_invitations()->delete();
+        $clientContact->credit_invitations()->delete();
     }
 
     /**
@@ -56,7 +58,9 @@ class ClientContactObserver
      */
     public function restored(ClientContact $clientContact)
     {
-        //
+        $clientContact->invoice_invitations()->restore();
+        $clientContact->quote_invitations()->restore();
+        $clientContact->credit_invitations()->restore();
     }
 
     /**