diff --git a/vtest/vtest_protocol.h b/vtest/vtest_protocol.h
index f31b8e4..1bd846e 100644
--- a/vtest/vtest_protocol.h
+++ b/vtest/vtest_protocol.h
@@ -232,7 +232,6 @@
 
    /* ignored unless VCMD_SUBMIT_CMD2_FLAG_SYNC_QUEUE is set */
    uint32_t sync_queue_index;
-   uint64_t sync_queue_id;
 };
 #define VCMD_SUBMIT_CMD2_BATCH_COUNT 0
 #define VCMD_SUBMIT_CMD2_BATCH_FLAGS(n)            (1 + 8 * (n) + 0)
@@ -241,8 +240,6 @@
 #define VCMD_SUBMIT_CMD2_BATCH_SYNC_OFFSET(n)      (1 + 8 * (n) + 3)
 #define VCMD_SUBMIT_CMD2_BATCH_SYNC_COUNT(n)       (1 + 8 * (n) + 4)
 #define VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_INDEX(n) (1 + 8 * (n) + 5)
-#define VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_LO(n) (1 + 8 * (n) + 6)
-#define VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_HI(n) (1 + 8 * (n) + 7)
 
 #endif /* VIRGL_RENDERER_UNSTABLE_APIS */
 
diff --git a/vtest/vtest_renderer.c b/vtest/vtest_renderer.c
index 1e8b81e..f298b78 100644
--- a/vtest/vtest_renderer.c
+++ b/vtest/vtest_renderer.c
@@ -2064,7 +2064,7 @@
       submit->sync_queue = queue;
       ret = virgl_renderer_context_create_fence(ctx->ctx_id,
                                                 VIRGL_RENDERER_FENCE_FLAG_MERGEABLE,
-                                                batch->sync_queue_id,
+                                                batch->sync_queue_index,
                                                 (uintptr_t)submit);
       if (ret) {
          vtest_free_sync_queue_submit(submit);
@@ -2099,7 +2099,7 @@
    }
 
    batch_count = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_COUNT];
-   if (VCMD_SUBMIT_CMD2_BATCH_COUNT + 8 * batch_count > length_dw) {
+   if (VCMD_SUBMIT_CMD2_BATCH_COUNT + 6 * batch_count > length_dw) {
       free(submit_cmd2_buf);
       return -EINVAL;
    }
@@ -2112,8 +2112,6 @@
          .sync_offset = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_OFFSET(i)],
          .sync_count = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_COUNT(i)],
          .sync_queue_index = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_INDEX(i)],
-         .sync_queue_id = submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_LO(i)] |
-                          (uint64_t)submit_cmd2_buf[VCMD_SUBMIT_CMD2_BATCH_SYNC_QUEUE_ID_HI(i)] << 32,
       };
       const uint32_t *cmds = &submit_cmd2_buf[batch.cmd_offset];
       const uint32_t *syncs = &submit_cmd2_buf[batch.sync_offset];