From 7426185b9d28e3fdc86f6196ccb67dbe47b07c85 Mon Sep 17 00:00:00 2001
From: Andreas Kling <andreas@ladybird.org>
Date: Sat, 13 Jun 2026 20:18:30 +0200
Subject: [PATCH] AK: Remove SANITIZE_PTRS support

Remove the unused SANITIZE_PTRS destructor poisoning blocks from AK
pointer wrappers. Also drop the stale Qt Creator configuration define
that referenced this old mode.
---
 AK/NonnullOwnPtr.h                                          | 5 -----
 AK/NonnullRefPtr.h                                          | 5 -----
 AK/OwnPtr.h                                                 | 5 -----
 AK/RefPtr.h                                                 | 5 -----
 Documentation/EditorConfiguration/QtCreatorConfiguration.md | 1 -
 5 files changed, 21 deletions(-)

diff --git a/AK/NonnullOwnPtr.h b/AK/NonnullOwnPtr.h
index 4387ac3bff..73dc73b24d 100644
--- a/AK/NonnullOwnPtr.h
+++ b/AK/NonnullOwnPtr.h
@@ -13,8 +13,6 @@
 #include <AK/Traits.h>
 #include <AK/Types.h>
 
-#define NONNULLOWNPTR_SCRUB_BYTE 0xf1
-
 namespace AK {
 
 template<typename T>
@@ -48,9 +46,6 @@ public:
     ~NonnullOwnPtr()
     {
         delete m_ptr;
-#ifdef SANITIZE_PTRS
-        m_ptr = (T*)(explode_byte(NONNULLOWNPTR_SCRUB_BYTE));
-#endif
     }
 
     NonnullOwnPtr(NonnullOwnPtr const&) = delete;
diff --git a/AK/NonnullRefPtr.h b/AK/NonnullRefPtr.h
index 3e1b99e72b..f02b1e0140 100644
--- a/AK/NonnullRefPtr.h
+++ b/AK/NonnullRefPtr.h
@@ -6,8 +6,6 @@
 
 #pragma once
 
-#define NONNULLREFPTR_SCRUB_BYTE 0xe1
-
 #include <AK/Assertions.h>
 #include <AK/Format.h>
 #include <AK/Traits.h>
@@ -94,9 +92,6 @@ public:
     ALWAYS_INLINE ~NonnullRefPtr()
     {
         unref_if_not_null(m_ptr);
-#ifdef SANITIZE_PTRS
-        m_ptr = reinterpret_cast<T*>(explode_byte(NONNULLREFPTR_SCRUB_BYTE));
-#endif
     }
 
     template<typename U>
diff --git a/AK/OwnPtr.h b/AK/OwnPtr.h
index a02cddd1fc..04730978ff 100644
--- a/AK/OwnPtr.h
+++ b/AK/OwnPtr.h
@@ -11,8 +11,6 @@
 #include <AK/NonnullOwnPtr.h>
 #include <AK/RefCounted.h>
 
-#define OWNPTR_SCRUB_BYTE 0xf0
-
 namespace AK {
 
 template<typename T>
@@ -43,9 +41,6 @@ public:
     ~OwnPtr()
     {
         delete m_ptr;
-#ifdef SANITIZE_PTRS
-        m_ptr = (T*)(explode_byte(OWNPTR_SCRUB_BYTE));
-#endif
     }
 
     OwnPtr(OwnPtr const&) = delete;
diff --git a/AK/RefPtr.h b/AK/RefPtr.h
index c267e3b538..618f958dd1 100644
--- a/AK/RefPtr.h
+++ b/AK/RefPtr.h
@@ -6,8 +6,6 @@
 
 #pragma once
 
-#define REFPTR_SCRUB_BYTE 0xe0
-
 #include <AK/Assertions.h>
 #include <AK/Error.h>
 #include <AK/Format.h>
@@ -101,9 +99,6 @@ public:
     ALWAYS_INLINE ~RefPtr()
     {
         unref_if_not_null(m_ptr);
-#ifdef SANITIZE_PTRS
-        m_ptr = reinterpret_cast<T*>(explode_byte(REFPTR_SCRUB_BYTE));
-#endif
     }
 
     template<typename U>
diff --git a/Documentation/EditorConfiguration/QtCreatorConfiguration.md b/Documentation/EditorConfiguration/QtCreatorConfiguration.md
index be57bce70b..825a782c1c 100644
--- a/Documentation/EditorConfiguration/QtCreatorConfiguration.md
+++ b/Documentation/EditorConfiguration/QtCreatorConfiguration.md
@@ -16,7 +16,6 @@ First, make sure you have a working toolchain and can build and run Ladybird. Go
 * Add the following `#define`s to the file:
     ```
     #define ENABLE_COMPILETIME_FORMAT_CHECK
-    #define SANITIZE_PTRS 1
     ```
 * Edit the `ladybird.cxxflags` file to say `-std=c++23 -fsigned-char -fconcepts -fno-exceptions -fno-semantic-interposition -fPIC`
 * Edit the `ladybird.includes` file to list the following lines (adapt to the actual path of your skia folder):