diff --git a/Misaki.HighPerformance.LowLevel/Buffer/Stack.cs b/Misaki.HighPerformance.LowLevel/Buffer/Stack.cs
index 5d28ea3..1a4d701 100644
--- a/Misaki.HighPerformance.LowLevel/Buffer/Stack.cs
+++ b/Misaki.HighPerformance.LowLevel/Buffer/Stack.cs
@@ -142,16 +142,8 @@ public unsafe partial struct Stack : IMemoryAllocator<Stack, Stack.CreationOpts>
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void Free(void* ptr)
+    public readonly void Free(void* ptr)
     {
-        if (ptr < _buffer && ptr >= _buffer + _size)
-        {
-            Debug.Fail("Attempting to free a pointer that is out of bounds of the current stack allocation.");
-            return; // Pointer is out of bounds, ignore
-        }
-
-        var offset = (nuint)((byte*)ptr - _buffer);
-        _offset = offset < _offset ? offset : _offset;
     }
 
     /// <summary>
diff --git a/Misaki.HighPerformance.LowLevel/Buffer/VirtualStack.cs b/Misaki.HighPerformance.LowLevel/Buffer/VirtualStack.cs
index f06e4e7..3a93852 100644
--- a/Misaki.HighPerformance.LowLevel/Buffer/VirtualStack.cs
+++ b/Misaki.HighPerformance.LowLevel/Buffer/VirtualStack.cs
@@ -162,16 +162,8 @@ public unsafe struct VirtualStack : IMemoryAllocator<VirtualStack, VirtualStack.
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void Free(void* ptr)
+    public readonly void Free(void* ptr)
     {
-        if (ptr < _baseAddress && ptr >= _baseAddress + _committedSize)
-        {
-            Debug.Fail("Attempting to free a pointer that is out of bounds of the current stack allocation.");
-            return; // Pointer is out of bounds, ignore
-        }
-
-        var offset = (nuint)((byte*)ptr - _baseAddress);
-        _allocatedOffset = offset < _allocatedOffset ? offset : _allocatedOffset;
     }
 
     public void Dispose()
diff --git a/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj b/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
index 6233797..620e7c4 100644
--- a/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
+++ b/Misaki.HighPerformance.LowLevel/Misaki.HighPerformance.LowLevel.csproj
@@ -7,7 +7,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Misaki</Authors>
-    <AssemblyVersion>1.6.8</AssemblyVersion>
+    <AssemblyVersion>1.6.9</AssemblyVersion>
     <Version>$(AssemblyVersion)</Version>
     <PackageProjectUrl>https://git.personalnas.com/Misaki/Misaki.HighPerformance.git</PackageProjectUrl>
     <RepositoryUrl>https://git.personalnas.com/Misaki/Misaki.HighPerformance.git</RepositoryUrl>