diff --git a/.gitmodules b/.gitmodules
index 062216d..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "tinycbor"]
-	path = tinycbor
-	url = https://github.com/intel/tinycbor.git
diff --git a/src/image.c b/src/image.c
index 6300692..b9e69f4 100644
--- a/src/image.c
+++ b/src/image.c
@@ -103,7 +103,7 @@ static void cbor_require_type(CborValue *it, CborType type) {
 static void do_version(void) {
     int rc = write(serial_fd, IMAGE_LIST_CMD, sizeof(IMAGE_LIST_CMD) - 1);
     if (rc < sizeof(IMAGE_LIST_CMD) - 1) {
-        fprintf(stderr, "Failed to send command: %s", strerror(errno));
+        fprintf(stderr, "Failed to send command: %s\n", strerror(errno));
         return;
     }
     uint8_t tmp[BOOT_SERIAL_IN_MAX];
diff --git a/tinycbor b/tinycbor
deleted file mode 160000
index 0362274..0000000
--- a/tinycbor
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 0362274505cb68c0f42678b8142589d533acb821