diff --git a/tests/server/mqttd.c b/tests/server/mqttd.c
index aec4a099b..2b4ac9699 100644
--- a/tests/server/mqttd.c
+++ b/tests/server/mqttd.c
@@ -213,12 +213,10 @@ static void logprotocol(mqttdir dir,
   ssize_t i;
   unsigned char *ptr = buffer;
   char *optr = data;
-  ssize_t width = 0;
   int left = sizeof(data);
 
   for(i = 0; i<len && (left >= 0); i++) {
     msnprintf(optr, left, "%02x", ptr[i]);
-    width += 2;
     optr += 2;
     left -= 2;
   }