diff --git a/sdk/software/examples/asm/user-sample.c b/sdk/software/examples/asm/user-sample.c
index e0bb2e9..4096889 100644
--- a/sdk/software/examples/asm/user-sample.c
+++ b/sdk/software/examples/asm/user-sample.c
@@ -40,7 +40,6 @@ static void uart_put_matmul_start_fifo(void)
     UART_THR = 'A';
     UART_THR = 'R';
     UART_THR = 'T';
-    UART_THR = '\n';
 }
 
 static inline void uart_wait_tx_empty(void)
@@ -82,7 +81,6 @@ static void uart_put_result_fifo(unsigned int crc)
     UART_THR = hex_digit(crc, 8);
     UART_THR = hex_digit(crc, 4);
     UART_THR = hex_digit(crc, 0);
-    UART_THR = '\n';
     UART_THR = 'M';
     UART_THR = 'A';
     UART_THR = 'T';
@@ -93,10 +91,7 @@ static void uart_put_result_fifo(unsigned int crc)
     UART_THR = 'D';
     UART_THR = 'O';
     UART_THR = 'N';
-
-    uart_wait_tx_empty();
     UART_THR = 'E';
-    UART_THR = '\n';
 }
 
 #ifndef MATMUL_GROUP_NUM