diff --git a/src/hci_transport_h4.c b/src/hci_transport_h4.c
index b9791912f..dbe4d9e3d 100644
--- a/src/hci_transport_h4.c
+++ b/src/hci_transport_h4.c
@@ -164,7 +164,6 @@ static int    h4_open(void *transport_config){
     read_pos = 0;
 
     // bring bluetooth module into defined state
-    int i;
     uint8_t reset[] = { 0x01, 0x03, 0x0c, 0x00};
     write(fd, &reset, sizeof(reset));
     usleep(100000);     // 100 ms