diff --git a/Kernel/Arch/x86/common/Interrupts.cpp b/Kernel/Arch/x86/common/Interrupts.cpp
index 5ad4f58bbd..a595c0d1a8 100644
--- a/Kernel/Arch/x86/common/Interrupts.cpp
+++ b/Kernel/Arch/x86/common/Interrupts.cpp
@@ -368,8 +368,6 @@ void page_fault_handler(TrapFrame* trap)
         constexpr FlatPtr free_scrub_pattern = explode_byte(FREE_SCRUB_BYTE);
         constexpr FlatPtr kmalloc_scrub_pattern = explode_byte(KMALLOC_SCRUB_BYTE);
         constexpr FlatPtr kfree_scrub_pattern = explode_byte(KFREE_SCRUB_BYTE);
-        constexpr FlatPtr slab_alloc_scrub_pattern = explode_byte(SLAB_ALLOC_SCRUB_BYTE);
-        constexpr FlatPtr slab_dealloc_scrub_pattern = explode_byte(SLAB_DEALLOC_SCRUB_BYTE);
         if ((fault_address & 0xffff0000) == (malloc_scrub_pattern & 0xffff0000)) {
             dbgln("Note: Address {} looks like it may be uninitialized malloc() memory", VirtualAddress(fault_address));
         } else if ((fault_address & 0xffff0000) == (free_scrub_pattern & 0xffff0000)) {
@@ -378,10 +376,6 @@ void page_fault_handler(TrapFrame* trap)
             dbgln("Note: Address {} looks like it may be uninitialized kmalloc() memory", VirtualAddress(fault_address));
         } else if ((fault_address & 0xffff0000) == (kfree_scrub_pattern & 0xffff0000)) {
             dbgln("Note: Address {} looks like it may be recently kfree()'d memory", VirtualAddress(fault_address));
-        } else if ((fault_address & 0xffff0000) == (slab_alloc_scrub_pattern & 0xffff0000)) {
-            dbgln("Note: Address {} looks like it may be uninitialized slab_alloc() memory", VirtualAddress(fault_address));
-        } else if ((fault_address & 0xffff0000) == (slab_dealloc_scrub_pattern & 0xffff0000)) {
-            dbgln("Note: Address {} looks like it may be recently slab_dealloc()'d memory", VirtualAddress(fault_address));
         } else if (fault_address < 4096) {
             dbgln("Note: Address {} looks like a possible nullptr dereference", VirtualAddress(fault_address));
         } else if constexpr (SANITIZE_PTRS) {
diff --git a/Kernel/CMakeLists.txt b/Kernel/CMakeLists.txt
index 934ff94029..d436398be8 100644
--- a/Kernel/CMakeLists.txt
+++ b/Kernel/CMakeLists.txt
@@ -14,7 +14,6 @@ elseif("${SERENITY_ARCH}" STREQUAL "x86_64")
 endif()
 
 set(KERNEL_HEAP_SOURCES
-    Heap/SlabAllocator.cpp
     Heap/kmalloc.cpp
 )
 
@@ -446,7 +445,6 @@ if (ENABLE_KERNEL_COVERAGE_COLLECTION)
         ../Kernel/Devices/KCOVInstance.cpp
         ../Kernel/FileSystem/File.cpp
         ../Kernel/FileSystem/OpenFileDescription.cpp
-        ../Kernel/Heap/SlabAllocator.cpp
         ../Kernel/init.cpp
         ../Kernel/SanCov.cpp
         # GCC assumes that the caller saves registers for functions according
diff --git a/Kernel/FileSystem/Custody.h b/Kernel/FileSystem/Custody.h
index c64d865ea7..64a4c4dae1 100644
--- a/Kernel/FileSystem/Custody.h
+++ b/Kernel/FileSystem/Custody.h
@@ -12,7 +12,6 @@
 #include <AK/RefPtr.h>
 #include <AK/String.h>
 #include <Kernel/Forward.h>
-#include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/KString.h>
 
 namespace Kernel {
diff --git a/Kernel/GlobalProcessExposed.cpp b/Kernel/GlobalProcessExposed.cpp
index 83517a49fe..284975ab28 100644
--- a/Kernel/GlobalProcessExposed.cpp
+++ b/Kernel/GlobalProcessExposed.cpp
@@ -412,14 +412,6 @@ private:
         json.add("super_physical_available", system_memory.super_physical_pages - system_memory.super_physical_pages_used);
         json.add("kmalloc_call_count", stats.kmalloc_call_count);
         json.add("kfree_call_count", stats.kfree_call_count);
-        TRY(slab_alloc_stats([&json](size_t slab_size, size_t num_allocated, size_t num_free) -> ErrorOr<void> {
-            auto prefix = TRY(KString::formatted("slab_{}", slab_size));
-            auto formatted_num_allocated = TRY(KString::formatted("{}_num_allocated", prefix));
-            auto formatted_num_free = TRY(KString::formatted("{}_num_free", prefix));
-            json.add(formatted_num_allocated->view(), num_allocated);
-            json.add(formatted_num_free->view(), num_free);
-            return {};
-        }));
         json.finish();
         return {};
     }
diff --git a/Kernel/Heap/SlabAllocator.cpp b/Kernel/Heap/SlabAllocator.cpp
deleted file mode 100644
index ea36973303..0000000000
--- a/Kernel/Heap/SlabAllocator.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Assertions.h>
-#include <AK/Memory.h>
-#include <Kernel/Heap/SlabAllocator.h>
-#include <Kernel/Heap/kmalloc.h>
-#include <Kernel/Memory/Region.h>
-#include <Kernel/Sections.h>
-
-#define SANITIZE_SLABS
-
-namespace Kernel {
-
-template<size_t templated_slab_size>
-class SlabAllocator {
-public:
-    SlabAllocator() = default;
-
-    void init(size_t size)
-    {
-        m_base = kmalloc_eternal(size);
-        m_end = (u8*)m_base + size;
-        FreeSlab* slabs = (FreeSlab*)m_base;
-        m_slab_count = size / templated_slab_size;
-        for (size_t i = 1; i < m_slab_count; ++i) {
-            slabs[i].next = &slabs[i - 1];
-        }
-        slabs[0].next = nullptr;
-        m_freelist = &slabs[m_slab_count - 1];
-        m_num_allocated = 0;
-    }
-
-    constexpr size_t slab_size() const { return templated_slab_size; }
-    size_t slab_count() const { return m_slab_count; }
-
-    void* alloc()
-    {
-        FreeSlab* free_slab;
-        {
-            // We want to avoid being swapped out in the middle of this
-            ScopedCritical critical;
-            FreeSlab* next_free;
-            free_slab = m_freelist.load(AK::memory_order_consume);
-            do {
-                if (!free_slab)
-                    return kmalloc(slab_size());
-                // It's possible another processor is doing the same thing at
-                // the same time, so next_free *can* be a bogus pointer. However,
-                // in that case compare_exchange_strong would fail and we would
-                // try again.
-                next_free = free_slab->next;
-            } while (!m_freelist.compare_exchange_strong(free_slab, next_free, AK::memory_order_acq_rel));
-
-            m_num_allocated++;
-        }
-
-#ifdef SANITIZE_SLABS
-        memset(free_slab, SLAB_ALLOC_SCRUB_BYTE, slab_size());
-#endif
-        return free_slab;
-    }
-
-    void dealloc(void* ptr)
-    {
-        VERIFY(ptr);
-        if (ptr < m_base || ptr >= m_end) {
-            kfree_sized(ptr, slab_size());
-            return;
-        }
-        FreeSlab* free_slab = (FreeSlab*)ptr;
-#ifdef SANITIZE_SLABS
-        if (slab_size() > sizeof(FreeSlab*))
-            memset(free_slab->padding, SLAB_DEALLOC_SCRUB_BYTE, sizeof(FreeSlab::padding));
-#endif
-
-        // We want to avoid being swapped out in the middle of this
-        ScopedCritical critical;
-        FreeSlab* next_free = m_freelist.load(AK::memory_order_consume);
-        do {
-            free_slab->next = next_free;
-        } while (!m_freelist.compare_exchange_strong(next_free, free_slab, AK::memory_order_acq_rel));
-
-        m_num_allocated--;
-    }
-
-    size_t num_allocated() const { return m_num_allocated; }
-    size_t num_free() const { return m_slab_count - m_num_allocated; }
-
-private:
-    struct FreeSlab {
-        FreeSlab* next;
-        char padding[templated_slab_size - sizeof(FreeSlab*)];
-    };
-
-    Atomic<FreeSlab*> m_freelist { nullptr };
-    Atomic<size_t, AK::MemoryOrder::memory_order_relaxed> m_num_allocated { 0 };
-    size_t m_slab_count { 0 };
-    void* m_base { nullptr };
-    void* m_end { nullptr };
-
-    static_assert(AssertSize<FreeSlab, templated_slab_size>());
-};
-
-static SlabAllocator<16> s_slab_allocator_16;
-static SlabAllocator<32> s_slab_allocator_32;
-static SlabAllocator<64> s_slab_allocator_64;
-static SlabAllocator<128> s_slab_allocator_128;
-static SlabAllocator<256> s_slab_allocator_256;
-
-#if ARCH(I386)
-static_assert(sizeof(Memory::Region) <= s_slab_allocator_128.slab_size());
-#endif
-
-template<typename Callback>
-ErrorOr<void> for_each_allocator(Callback callback)
-{
-    TRY(callback(s_slab_allocator_16));
-    TRY(callback(s_slab_allocator_32));
-    TRY(callback(s_slab_allocator_64));
-    TRY(callback(s_slab_allocator_128));
-    TRY(callback(s_slab_allocator_256));
-    return {};
-}
-
-UNMAP_AFTER_INIT void slab_alloc_init()
-{
-    s_slab_allocator_16.init(128 * KiB);
-    s_slab_allocator_32.init(128 * KiB);
-    s_slab_allocator_64.init(512 * KiB);
-    s_slab_allocator_128.init(512 * KiB);
-    s_slab_allocator_256.init(128 * KiB);
-}
-
-void* slab_alloc(size_t slab_size)
-{
-    if (slab_size <= 16)
-        return s_slab_allocator_16.alloc();
-    if (slab_size <= 32)
-        return s_slab_allocator_32.alloc();
-    if (slab_size <= 64)
-        return s_slab_allocator_64.alloc();
-    if (slab_size <= 128)
-        return s_slab_allocator_128.alloc();
-    if (slab_size <= 256)
-        return s_slab_allocator_256.alloc();
-    VERIFY_NOT_REACHED();
-}
-
-void slab_dealloc(void* ptr, size_t slab_size)
-{
-    if (slab_size <= 16)
-        return s_slab_allocator_16.dealloc(ptr);
-    if (slab_size <= 32)
-        return s_slab_allocator_32.dealloc(ptr);
-    if (slab_size <= 64)
-        return s_slab_allocator_64.dealloc(ptr);
-    if (slab_size <= 128)
-        return s_slab_allocator_128.dealloc(ptr);
-    if (slab_size <= 256)
-        return s_slab_allocator_256.dealloc(ptr);
-    VERIFY_NOT_REACHED();
-}
-
-ErrorOr<void> slab_alloc_stats(Function<ErrorOr<void>(size_t slab_size, size_t allocated, size_t free)> callback)
-{
-    TRY(for_each_allocator([&](auto& allocator) -> ErrorOr<void> {
-        auto num_allocated = allocator.num_allocated();
-        auto num_free = allocator.slab_count() - num_allocated;
-        TRY(callback(allocator.slab_size(), num_allocated, num_free));
-        return {};
-    }));
-
-    return {};
-}
-
-}
diff --git a/Kernel/Heap/SlabAllocator.h b/Kernel/Heap/SlabAllocator.h
deleted file mode 100644
index e2fc3a5e7f..0000000000
--- a/Kernel/Heap/SlabAllocator.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#pragma once
-
-#include <AK/Error.h>
-#include <AK/Function.h>
-#include <AK/Types.h>
-
-namespace Kernel {
-
-#define SLAB_ALLOC_SCRUB_BYTE 0xab
-#define SLAB_DEALLOC_SCRUB_BYTE 0xbc
-
-void* slab_alloc(size_t slab_size);
-void slab_dealloc(void*, size_t slab_size);
-void slab_alloc_init();
-ErrorOr<void> slab_alloc_stats(Function<ErrorOr<void>(size_t slab_size, size_t allocated, size_t free)>);
-
-#define MAKE_SLAB_ALLOCATED(type)                                            \
-public:                                                                      \
-    [[nodiscard]] void* operator new(size_t)                                 \
-    {                                                                        \
-        void* ptr = slab_alloc(sizeof(type));                                \
-        VERIFY(ptr);                                                         \
-        return ptr;                                                          \
-    }                                                                        \
-    [[nodiscard]] void* operator new(size_t, const std::nothrow_t&) noexcept \
-    {                                                                        \
-        return slab_alloc(sizeof(type));                                     \
-    }                                                                        \
-    void operator delete(void* ptr) noexcept                                 \
-    {                                                                        \
-        if (!ptr)                                                            \
-            return;                                                          \
-        slab_dealloc(ptr, sizeof(type));                                     \
-    }                                                                        \
-                                                                             \
-private:
-
-}
diff --git a/Kernel/Memory/Region.h b/Kernel/Memory/Region.h
index 1ad6e69e9b..7571456ca3 100644
--- a/Kernel/Memory/Region.h
+++ b/Kernel/Memory/Region.h
@@ -10,7 +10,6 @@
 #include <AK/IntrusiveList.h>
 #include <AK/Weakable.h>
 #include <Kernel/Forward.h>
-#include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/KString.h>
 #include <Kernel/Memory/PageFaultResponse.h>
 #include <Kernel/Memory/VirtualRangeAllocator.h>
diff --git a/Kernel/WorkQueue.h b/Kernel/WorkQueue.h
index 1c86b04cf8..9f84424888 100644
--- a/Kernel/WorkQueue.h
+++ b/Kernel/WorkQueue.h
@@ -9,7 +9,6 @@
 
 #include <AK/IntrusiveList.h>
 #include <Kernel/Forward.h>
-#include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/Locking/SpinlockProtected.h>
 
 namespace Kernel {
diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index e3d6f99691..ae6c095392 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -33,7 +33,6 @@
 #include <Kernel/Firmware/ACPI/Parser.h>
 #include <Kernel/Firmware/SysFSFirmware.h>
 #include <Kernel/Graphics/GraphicsManagement.h>
-#include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/Heap/kmalloc.h>
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/Interrupts/InterruptManagement.h>
@@ -179,7 +178,6 @@ extern "C" [[noreturn]] UNMAP_AFTER_INIT void init(BootInfo const& boot_info)
     for (ctor_func_t* ctor = start_heap_ctors; ctor < end_heap_ctors; ctor++)
         (*ctor)();
     kmalloc_init();
-    slab_alloc_init();
 
     load_kernel_symbol_table();