diff --git a/blockjob.c b/blockjob.c
index 511c0db123..3b9cec7440 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -132,12 +132,6 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
 
     if (job_id == NULL) {
         job_id = bdrv_get_device_name(bs);
-        /* Assign a default ID if the BDS does not have a device
-         * name. We'll get rid of this soon when we finish extending
-         * the API of all commands that create block jobs. */
-        if (job_id[0] == '\0') {
-            job_id = "default_job";
-        }
     }
 
     if (!id_wellformed(job_id)) {
diff --git a/qemu-img.c b/qemu-img.c
index a162f34130..969edce186 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -920,7 +920,7 @@ static int img_commit(int argc, char **argv)
         .bs   = bs,
     };
 
-    commit_active_start(NULL, bs, base_bs, 0, BLOCKDEV_ON_ERROR_REPORT,
+    commit_active_start("commit", bs, base_bs, 0, BLOCKDEV_ON_ERROR_REPORT,
                         common_block_job_cb, &cbi, &local_err);
     if (local_err) {
         goto done;