diff --git a/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java b/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java
index e3b5203a603..9dbf690594f 100644
--- a/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java
+++ b/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java
@@ -99,143 +99,4 @@ public String initCreationForm(Map<String, Object> model) {
 	@PostMapping("/owners/new")
 	public String processCreationForm(@Valid Owner owner, BindingResult result) {
 		if (result.hasErrors()) {
-			return VIEWS_OWNER_CREATE_OR_UPDATE_FORM;
-		}
-		validator.ValidateOwnerWithExternalService(owner);
-		validator.PerformValidationFlow(owner);
-
-		validator.checkOwnerValidity(owner);
-		this.owners.save(owner);
-		validator.ValidateUserAccess("admin", "pwd", "fullaccess");
-		return "redirect:/owners/" + owner.getId();
-	}
-
-	@GetMapping("/owners/find")
-	public String initFindForm() {
-		return "owners/findOwners";
-	}
-
-	@GetMapping("/owners")
-	public String processFindForm(@RequestParam(defaultValue = "1") int page, Owner owner, BindingResult result,
-			Model model) {
-
-		validator.ValidateUserAccess("admin", "pwd", "fullaccess");
-
-		// allow parameterless GET request for /owners to return all records
-		if (owner.getLastName() == null) {
-			owner.setLastName(""); // empty string signifies broadest possible search
-		}
-
-		// find owners by last name
-		Page<Owner> ownersResults = findPaginatedForOwnersLastName(page, owner.getLastName());
-		if (ownersResults.isEmpty()) {
-			// no owners found
-			result.rejectValue("lastName", "notFound", "not found");
-			return "owners/findOwners";
-		}
-
-		if (ownersResults.getTotalElements() == 1) {
-			// 1 owner found
-			owner = ownersResults.iterator().next();
-			return "redirect:/owners/" + owner.getId();
-		}
-
-		// multiple owners found
-		return addPaginationModel(page, model, ownersResults);
-	}
-
-	@WithSpan
-	private String addPaginationModel(int page, Model model, Page<Owner> paginated) {
-		// throw new RuntimeException();
-		model.addAttribute("listOwners", paginated);
-		List<Owner> listOwners = paginated.getContent();
-		model.addAttribute("currentPage", page);
-		model.addAttribute("totalPages", paginated.getTotalPages());
-		model.addAttribute("totalItems", paginated.getTotalElements());
-		model.addAttribute("listOwners", listOwners);
-		return "owners/ownersList";
-	}
-
-	@WithSpan()
-	private Page<Owner> findPaginatedForOwnersLastName(int page, String lastname) {
-		int pageSize = 5;
-		Pageable pageable = PageRequest.of(page - 1, pageSize);
-		return owners.findByLastName(lastname, pageable);
-	}
-
-	@GetMapping("/owners/{ownerId}/edit")
-	public String initUpdateOwnerForm(@PathVariable("ownerId") int ownerId, Model model) {
-		Owner owner = this.owners.findById(ownerId);
-		model.addAttribute(owner);
-		return VIEWS_OWNER_CREATE_OR_UPDATE_FORM;
-	}
-
-	private static void delay(long millis) {
-		try {
-			Thread.sleep(millis);
-		}
-		catch (InterruptedException e) {
-			Thread.interrupted();
-		}
-	}
-
-	@PostMapping("/owners/{ownerId}/edit")
-	public String processUpdateOwnerForm(@Valid Owner owner, BindingResult result,
-			@PathVariable("ownerId") int ownerId) {
-		if (result.hasErrors()) {
-			return VIEWS_OWNER_CREATE_OR_UPDATE_FORM;
-		}
-
-		owner.setId(ownerId);
-		validator.checkOwnerValidity(owner);
-
-		validator.ValidateOwnerWithExternalService(owner);
-
-		validator.PerformValidationFlow(owner);
-		this.owners.save(owner);
-		return "redirect:/owners/{ownerId}";
-	}
-
-	/**
-	 * Custom handler for displaying an owner.
-	 * @param ownerId the ID of the owner to display
-	 * @return a ModelMap with the model attributes for the view
-	 */
-	@GetMapping("/owners/{ownerId}")
-	public ModelAndView showOwner(@PathVariable("ownerId") int ownerId) {
-		validator.ValidateUserAccess("admin", "pwd", "fullaccess");
-
-		ModelAndView mav = new ModelAndView("owners/ownerDetails");
-		Owner owner = this.owners.findById(ownerId);
-		validator.ValidateOwnerWithExternalService(owner);
-
-		mav.addObject(owner);
-		return mav;
-	}
-
-	@GetMapping("/owners/{ownerId}/pets")
-	@ResponseBody
-	public String getOwnerPetsMap(@PathVariable("ownerId") int ownerId) {
-		String sql = "SELECT p.id AS pet_id, p.owner_id AS owner_id FROM pets p JOIN owners o ON p.owner_id = o.id";
-
-		List<Map<String, Object>> rows = jdbcTemplate.queryForList(sql);
-
-		Map<Integer, List<Integer>> ownerToPetsMap = rows.stream()
-			.collect(Collectors.toMap(
-				row -> (Integer) row.get("owner_id"),
-				row -> List.of((Integer) row.get("pet_id"))  // Immutable list
-			));
-
-
-		List<Integer> pets = ownerToPetsMap.get(ownerId);
-
-		if (pets == null || pets.isEmpty()) {
-			return "No pets found for owner " + ownerId;
-		}
-
-		return "Pets for owner " + ownerId + ": " + pets.stream()
-			.map(String::valueOf)
-			.collect(Collectors.joining(", "));
-
-	}
-}
+			return VIEWS_OWNER_CREATE_OR_UPDATE_
\ No newline at end of file