diff --git a/application/controllers/mockup/process/resultprintadm-v7/Rv_patient.php b/application/controllers/mockup/process/resultprintadm-v7/Rv_patient.php
index fad83105..d8d20a54 100644
--- a/application/controllers/mockup/process/resultprintadm-v7/Rv_patient.php
+++ b/application/controllers/mockup/process/resultprintadm-v7/Rv_patient.php
@@ -1082,4 +1082,21 @@ private function get_fallback_report($group_name, $type, $ready_print)
       $this->sys_ok(['cached' => true]);
    }
 
+   public function delete_cache()
+   {
+      $prm = $this->sys_input;
+      $order_id = intval($prm['order_id'] ?? 0);
+      if ($order_id > 0) {
+         $this->db_smartone->query(
+            "DELETE FROM patient_print_cache WHERE ppc_order_id = ? OR ppc_created < NOW() - INTERVAL 5 MINUTE",
+            [$order_id]
+         );
+      } else {
+         $this->db_smartone->query(
+            "DELETE FROM patient_print_cache WHERE ppc_created < NOW() - INTERVAL 5 MINUTE"
+         );
+      }
+      $this->sys_ok(['deleted' => true]);
+   }
+
 }
\ No newline at end of file