diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c
index d4b5d1b6bb01..11f54837f56c 100644
--- a/arch/loongarch/kernel/smp.c
+++ b/arch/loongarch/kernel/smp.c
@@ -14,7 +14,6 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq_work.h>
-#include <linux/profile.h>
 #include <linux/seq_file.h>
 #include <linux/smp.h>
 #include <linux/threads.h>
@@ -716,13 +715,6 @@ void smp_send_stop(void)
 	smp_call_function(stop_this_cpu, NULL, 0);
 }
 
-#ifdef CONFIG_PROFILING
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return 0;
-}
-#endif
-
 static void flush_tlb_all_ipi(void *info)
 {
 	local_flush_tlb_all();