diff --git a/cpu/cc253x/dev/uart0.c b/cpu/cc253x/dev/uart0.c
index ba7856e77..85d0402c7 100644
--- a/cpu/cc253x/dev/uart0.c
+++ b/cpu/cc253x/dev/uart0.c
@@ -60,7 +60,6 @@ uart0_init()
   UART0_RX_EN();
 
   UART0_RX_INT(1);
-  U0DBUF = 0;
 }
 /*---------------------------------------------------------------------------*/
 /* Write one byte over the UART. */