diff --git a/cpu/msp430-common/include/cpu_conf.h b/cpu/msp430-common/include/cpu_conf.h
index fc3751728d36b5b85c55dc9088b99d17e3a466b5..22771f10cc31b64656a1e98d3c5f448be0174d49 100644
--- a/cpu/msp430-common/include/cpu_conf.h
+++ b/cpu/msp430-common/include/cpu_conf.h
@@ -27,10 +27,6 @@ extern "C" {
 #define THREAD_STACKSIZE_IDLE      (96)
 #define MSP430_ISR_STACK_SIZE           (256)
 
-#ifndef UART0_BUFSIZE
-#define UART0_BUFSIZE                   (32)
-#endif
-
 #ifndef GNRC_PKTBUF_SIZE
 #define GNRC_PKTBUF_SIZE                (2560)    /* TODO: Make this value
                                                    * overall MTU dependent */