diff --git a/Kernel/Arch/i386/CPU.cpp b/Kernel/Arch/i386/CPU.cpp
index 2a29ae5d83..6877932e0c 100644
--- a/Kernel/Arch/i386/CPU.cpp
+++ b/Kernel/Arch/i386/CPU.cpp
@@ -2238,13 +2238,6 @@ UNMAP_AFTER_INIT void Processor::gdt_init()
     // clang-format on
 }
 
-void Processor::set_thread_specific(u8* data, size_t len)
-{
-    auto& descriptor = get_gdt_entry(GDT_SELECTOR_TLS);
-    descriptor.set_base(data);
-    descriptor.set_limit(len);
-}
-
 void copy_kernel_registers_into_ptrace_registers(PtraceRegisters& ptrace_regs, const RegisterState& kernel_regs)
 {
     ptrace_regs.eax = kernel_regs.eax,
diff --git a/Kernel/Arch/i386/CPU.h b/Kernel/Arch/i386/CPU.h
index dda787908b..0e9d23ac35 100644
--- a/Kernel/Arch/i386/CPU.h
+++ b/Kernel/Arch/i386/CPU.h
@@ -1002,8 +1002,6 @@ public:
     u32 init_context(Thread& thread, bool leave_crit);
     static Vector<FlatPtr> capture_stack_trace(Thread& thread, size_t max_frames = 0);
 
-    void set_thread_specific(u8* data, size_t len);
-
     String platform_string() const;
 };