diff --git a/backend/cleanup_custom_templates.py b/backend/cleanup_custom_templates.py
new file mode 100644
index 0000000..a9e80ca
--- /dev/null
+++ b/backend/cleanup_custom_templates.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+"""
+Clean up custom templates that might be overriding built-in ones.
+Remove custom 'wedding_invitation' from database so built-in template is used.
+"""
+
+import os
+import sys
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+# Import database config
+from database import DATABASE_URL, Base
+from models import WhatsAppTemplate
+
+def cleanup():
+    """Delete custom wedding_invitation template from database."""
+    
+    # Create engine and session
+    engine = create_engine(DATABASE_URL)
+    SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+    db = SessionLocal()
+    
+    try:
+        # Check if custom wedding_invitation exists
+        custom = db.query(WhatsAppTemplate).filter(
+            WhatsAppTemplate.template_key == 'wedding_invitation'
+        ).first()
+        
+        if custom:
+            print(f"✓ Found custom 'wedding_invitation' in database")
+            print(f"  - meta_name: {custom.meta_name}")
+            print(f"  - body_params: {custom.body_params}")
+            db.delete(custom)
+            db.commit()
+            print(f"✓ Deleted custom 'wedding_invitation'")
+            print(f"✓ Built-in 'wedding_invitation' will now be used")
+        else:
+            print(f"✓ No custom 'wedding_invitation' found in database")
+        
+        # List remaining custom templates
+        remaining = db.query(WhatsAppTemplate).all()
+        if remaining:
+            print(f"\n✓ Remaining custom templates: {len(remaining)}")
+            for t in remaining:
+                print(f"  - {t.template_key} ({t.meta_name})")
+        else:
+            print(f"\n✓ No custom templates in database (only built-in templates available)")
+            
+    except Exception as e:
+        print(f"✗ Error: {e}")
+        db.rollback()
+        sys.exit(1)
+    finally:
+        db.close()
+
+if __name__ == "__main__":
+    cleanup()