diff --git a/ccu_htm_db_schema.png b/ccu_htm_db_schema.png
deleted file mode 100644
index 81067858690cbc90f6a1bab913aa0545cd050e3c..0000000000000000000000000000000000000000
Binary files a/ccu_htm_db_schema.png and /dev/null differ
diff --git a/generate_db_schema_diagram.py b/generate_db_schema_diagram.py
deleted file mode 100644
index 9d5dcc023c29697fb4d940712e080d4f76c8e410..0000000000000000000000000000000000000000
--- a/generate_db_schema_diagram.py
+++ /dev/null
@@ -1,86 +0,0 @@
-from diagrams import Diagram, Cluster, Edge, Node
-from diagrams.onprem.database import MySQL # Chỉ cần MySQL icon
-
-# Đặt tên file output không có phần mở rộng
-diagram_filename = "ccu_htm_db_schema"
-
-# Hướng của biểu đồ: TB (Top to Bottom), LR (Left to Right)
-diagram_direction = "LR" 
-
-with Diagram(f"{diagram_filename}", show=False, direction=diagram_direction, filename=diagram_filename) as diag:
-    # Định nghĩa database cluster
-    with Cluster("CCU HTM Database Schema (MySQL: ccu)") as db_cluster:
-        # Định nghĩa các bảng chính
-        user_table = Node("User\n(users)\nPK: userID")
-        dietitian_table = Node("Dietitian\n(dietitians)\nPK: dietitianID")
-        patient_table = Node("Patient\n(patients)\nPK: patientID")
-        encounter_table = Node("Encounter\n(encounters)\nPK: encounterID")
-        measurement_table = Node("PhysiologicalMeasurement\n(physiologicalmeasurements)\nPK: measurementID")
-        procedure_table = Node("Procedure\n(procedures)\nPK: procedureID")
-        referral_table = Node("Referral\n(referrals)\nPK: referralID")
-        report_table = Node("Report\n(reports)\nPK: reportID")
-        support_msg_table = Node("SupportMessage\n(support_messages)\nPK: messageID")
-        activity_log_table = Node("ActivityLog\n(activity_logs)\nPK: logID")
-
-        # Định nghĩa các mối quan hệ từ models
-        
-        # 1. User <-> Dietitian (One-to-One)
-        user_table << Edge(label="1..1 (user_id)") >> dietitian_table
-        
-        # 2. User (Dietitian) <-> Patient (One-to-Many)
-        user_table << Edge(label="1..N (assigned_dietitian_user_id)") << patient_table
-        
-        # 3. Patient <-> Encounter (One-to-Many)
-        patient_table >> Edge(label="1..N (patient_id)") >> encounter_table
-
-        # 4. Patient <-> PhysiologicalMeasurement (One-to-Many)
-        patient_table >> Edge(label="1..N (patient_id)") >> measurement_table
-        
-        # 5. Patient <-> Procedure (One-to-Many)
-        patient_table >> Edge(label="1..N (patient_id)") >> procedure_table
-        
-        # 6. Patient <-> Referral (One-to-Many)
-        patient_table >> Edge(label="1..N (patient_id)") >> referral_table
-        
-        # 7. Patient <-> Report (One-to-Many)
-        patient_table >> Edge(label="1..N (patient_id)") >> report_table
-        
-        # 8. Encounter <-> PhysiologicalMeasurement (One-to-Many)
-        encounter_table >> Edge(label="1..N (encounter_id)") >> measurement_table
-        
-        # 9. Encounter <-> Procedure (One-to-Many)
-        encounter_table >> Edge(label="1..N (encounter_id)") >> procedure_table
-        
-        # 10. Encounter <-> Referral (One-to-Many)
-        encounter_table >> Edge(label="1..N (encounter_id)") >> referral_table
-        
-        # 11. Encounter <-> Report (One-to-Many)
-        encounter_table >> Edge(label="1..N (encounter_id)") >> report_table
-        
-        # 12. User <-> Report (One-to-Many) - author relationship
-        user_table >> Edge(label="1..N (author_id)") >> report_table
-        
-        # 13. User <-> Report (One-to-Many) - dietitian assignment
-        user_table >> Edge(label="1..N (dietitian_id)", style="dashed") >> report_table
-        
-        # 14. User <-> Referral (One-to-Many) - dietitian assignment
-        user_table >> Edge(label="1..N (assigned_dietitian_user_id)", style="dashed") >> referral_table
-        
-        # 15. User <-> Encounter (One-to-Many) - dietitian assignment
-        user_table >> Edge(label="1..N (dietitian_id)", style="dashed") >> encounter_table
-        
-        # 16. User <-> SupportMessage (One-to-Many)
-        user_table >> Edge(label="1..N (sender)") >> support_msg_table
-        
-        # 17. User <-> ActivityLog (One-to-Many)
-        user_table >> Edge(label="1..N (user_id)") >> activity_log_table
-        
-        # 18. Procedure <-> Report (One-to-Many)
-        procedure_table >> Edge(label="1..N (related_procedure_id)") >> report_table
-        
-        # 19. Referral <-> Report (One-to-One)
-        referral_table >> Edge(label="1..1 (referral_id)") >> report_table
-
-diag
-
-print(f"Comprehensive database schema diagram generated: {diagram_filename}.png") 
\ No newline at end of file