diff --git a/src/tnc.c b/src/tnc.c
index 7483147..53485a0 100644
--- a/src/tnc.c
+++ b/src/tnc.c
@@ -215,8 +215,7 @@ ssize_t patty_kiss_tnc_pending(patty_kiss_tnc *tnc) {
 ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
                             void *buf,
                             size_t len) {
-    size_t r = 0, /* Number of bytes read */
-           w = 0; /* Number of bytes written to buf */
+    size_t w = 0; /* Number of bytes written to buf */
 
     int flags = STATE_NONE;
 
@@ -229,8 +228,6 @@ ssize_t patty_kiss_tnc_recv(patty_kiss_tnc *tnc,
     while (1) {
         uint8_t c;
 
-        r++;
-
         if (w == len) {
             tnc_drop(tnc);