diff --git a/src/unix/unix_serial_passthrough.c b/src/unix/unix_serial_passthrough.c
index de0539d8b..d80f8a1e7 100644
--- a/src/unix/unix_serial_passthrough.c
+++ b/src/unix/unix_serial_passthrough.c
@@ -182,7 +182,6 @@ plat_serpt_set_params(void *priv)
                 term_attr.c_cflag |= CMSPAR;
 #endif
         }
-        printf("c_cflag=%08x\n", term_attr.c_cflag);
         tcsetattr(dev->master_fd, TCSANOW, &term_attr);
 #undef BAUDRATE_RANGE
     }