diff --git a/serial.c b/serial.c
index 0ca4fb0..ad06d0e 100644
--- a/serial.c
+++ b/serial.c
@@ -55,7 +55,7 @@
 #   include <IOKit/serial/IOSerialKeys.h>
 #endif
 
-static char *dev_path;
+//static char *dev_path;
 
 static const unsigned char CMD_PRG[]   = "PROGRAM";
 static const unsigned char CMD_PRG2[]  = "\2";
@@ -576,21 +576,6 @@ char *find_path(int vid, int pid)
 // Connect to the specified device.
 // Initiate the programming session.
 //
-int serial_init(int vid, int pid)
-{
-    dev_path = find_path(vid, pid);
-    if (!dev_path) {
-        if (trace_flag) {
-            fprintf(stderr, "Cannot find USB device %04x:%04x\n",
-                vid, pid);
-        }
-        return -1;
-    }
-
-    // Succeeded.
-    printf("Serial port: %s\n", dev_path);
-    return 0;
-}
 
 //
 // Send the command sequence and get back a response.
@@ -612,7 +597,8 @@ static int send_recv(const unsigned char *cmd, int cmdlen,
     }
 
     if (serial_write(cmd, cmdlen) < 0) {
-        fprintf(stderr, "%s: write error\n", dev_path);
+        //fprintf(stderr, "%s: write error\n", dev_path);
+        fprintf(stderr, "serial write error\n");
         exit(-1);
     }