diff --git a/bsp/rm48x50/application/application.c b/bsp/rm48x50/application/application.c
index cc7a87beb9c7ad20d564296578eef847ce4ddbf7..d9ffaf4754a0d138acf36e7e2d39592e6bb3d3f8 100644
--- a/bsp/rm48x50/application/application.c
+++ b/bsp/rm48x50/application/application.c
@@ -20,10 +20,6 @@
 int ulRegTest1Counter;
 int ulRegTest2Counter;
 
-void vPortTaskUsesFPU()
-{
-}
-
 static rt_uint8_t user_thread_stack[512];
 static struct rt_thread user_thread;
 static void user_thread_entry(void *p)