--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -85,6 +85,7 @@ register struct thread_info *__current_t
 #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
 #define THREAD_MASK (THREAD_SIZE - 1UL)
 
+#if 0
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
@@ -101,6 +102,7 @@ register struct thread_info *__current_t
 #endif
 
 #define free_thread_info(info) kfree(info)
+#endif
 
 #endif /* !__ASSEMBLY__ */