diff --git a/db_stress_tool/db_stress_test_base.cc b/db_stress_tool/db_stress_test_base.cc
index cb3fec327..8fe0874f2 100644
--- a/db_stress_tool/db_stress_test_base.cc
+++ b/db_stress_tool/db_stress_test_base.cc
@@ -2901,7 +2901,9 @@ void StressTest::MaybeUseOlderTimestampForRangeScan(ThreadState* thread,
   read_opts.timestamp = &ts_slice;
 
   // TODO (yanqin): support Merge with iter_start_ts
-  if (!thread->rand.OneInOpt(3) || FLAGS_use_merge || FLAGS_use_full_merge_v1) {
+  // TODO (yuzhangyu): support BlobDB with iter_start_ts
+  if (!thread->rand.OneInOpt(3) || FLAGS_use_merge || FLAGS_use_full_merge_v1 ||
+      FLAGS_enable_blob_files) {
     return;
   }
 
@@ -2926,10 +2928,6 @@ void CheckAndSetOptionsForUserTimestamp(Options& options) {
     fprintf(stderr, "TransactionDB does not support timestamp yet.\n");
     exit(1);
   }
-  if (FLAGS_enable_blob_files || FLAGS_use_blob_db) {
-    fprintf(stderr, "BlobDB not supported with timestamp.\n");
-    exit(1);
-  }
   if (FLAGS_test_cf_consistency || FLAGS_test_batches_snapshots) {
     fprintf(stderr,
             "Due to per-key ts-seq ordering constraint, only the (default) "