diff --git a/testhal/STM32/STM32F4xx/FSMC_NAND/main.c b/testhal/STM32/STM32F4xx/FSMC_NAND/main.c
index c8702965..bdc72e07 100644
--- a/testhal/STM32/STM32F4xx/FSMC_NAND/main.c
+++ b/testhal/STM32/STM32F4xx/FSMC_NAND/main.c
@@ -226,7 +226,6 @@ static THD_FUNCTION(BackgroundThread, arg) {
   while(true){
     BackgroundThdCnt++;
   }
-  return 0;
 }
 
 /*