diff --git a/apps/powertrace/powertrace.c b/apps/powertrace/powertrace.c
index 139d96af8..81b469bbf 100644
--- a/apps/powertrace/powertrace.c
+++ b/apps/powertrace/powertrace.c
@@ -287,12 +287,15 @@ output_sniffer(int mac_status)
 static void
 sniffprint(char *prefix, int seqno)
 {
-  const linkaddr_t *sender, *receiver, *esender, *ereceiver;
+  /* const linkaddr_t *sender; */
+  /* const linkaddr_t *receiver; */
+  const linkaddr_t *esender;
+  /* const linkaddr_t *ereceiver; */
 
-  sender = packetbuf_addr(PACKETBUF_ADDR_SENDER);
-  receiver = packetbuf_addr(PACKETBUF_ADDR_RECEIVER);
+  /* sender = packetbuf_addr(PACKETBUF_ADDR_SENDER); */
+  /* receiver = packetbuf_addr(PACKETBUF_ADDR_RECEIVER); */
   esender = packetbuf_addr(PACKETBUF_ADDR_ESENDER);
-  ereceiver = packetbuf_addr(PACKETBUF_ADDR_ERECEIVER);
+  /* ereceiver = packetbuf_addr(PACKETBUF_ADDR_ERECEIVER); */
 
 
   printf("%lu %s %d %u %d %d %d.%d %u %u\n",