diff --git a/db/db_options_test.cc b/db/db_options_test.cc
index a7ecf1274..cb9a0e02e 100644
--- a/db/db_options_test.cc
+++ b/db/db_options_test.cc
@@ -1007,6 +1007,53 @@ TEST_F(DBOptionsTest, CompactionReadaheadSizeChange) {
   ASSERT_EQ(256, env_->compaction_readahead_size_);
   Close();
 }
+
+TEST_F(DBOptionsTest, FIFOTtlBackwardCompatible) {
+  Options options;
+  options.compaction_style = kCompactionStyleFIFO;
+  options.write_buffer_size = 10 << 10;  // 10KB
+  options.create_if_missing = true;
+
+  ASSERT_OK(TryReopen(options));
+
+  Random rnd(301);
+  for (int i = 0; i < 10; i++) {
+    // Generate and flush a file about 10KB.
+    for (int j = 0; j < 10; j++) {
+      ASSERT_OK(Put(ToString(i * 20 + j), RandomString(&rnd, 980)));
+    }
+    Flush();
+  }
+  ASSERT_OK(dbfull()->TEST_WaitForCompact());
+  ASSERT_EQ(NumTableFilesAtLevel(0), 10);
+
+  // In release 6.0, ttl was promoted from a secondary level option under
+  // compaction_options_fifo to a top level option under ColumnFamilyOptions.
+  // We still need to handle old SetOptions calls but should ignore
+  // ttl under compaction_options_fifo.
+  ASSERT_OK(dbfull()->SetOptions(
+      {{"compaction_options_fifo",
+        "{allow_compaction=true;max_table_files_size=1024;ttl=731;}"},
+       {"ttl", "60"}}));
+  ASSERT_EQ(dbfull()->GetOptions().compaction_options_fifo.allow_compaction,
+            true);
+  ASSERT_EQ(dbfull()->GetOptions().compaction_options_fifo.max_table_files_size,
+            1024);
+  ASSERT_EQ(dbfull()->GetOptions().ttl, 60);
+
+  // Put ttl as the first option inside compaction_options_fifo. That works as
+  // it doesn't overwrite any other option.
+  ASSERT_OK(dbfull()->SetOptions(
+      {{"compaction_options_fifo",
+        "{ttl=985;allow_compaction=true;max_table_files_size=1024;}"},
+       {"ttl", "191"}}));
+  ASSERT_EQ(dbfull()->GetOptions().compaction_options_fifo.allow_compaction,
+            true);
+  ASSERT_EQ(dbfull()->GetOptions().compaction_options_fifo.max_table_files_size,
+            1024);
+  ASSERT_EQ(dbfull()->GetOptions().ttl, 191);
+}
+
 #endif  // ROCKSDB_LITE
 
 }  // namespace rocksdb
diff --git a/options/options_helper.cc b/options/options_helper.cc
index dbee1636d..82e7a1fa1 100644
--- a/options/options_helper.cc
+++ b/options/options_helper.cc
@@ -372,6 +372,11 @@ bool ParseSingleStructOption(
     return false;
   }
   const auto& opt_info = iter->second;
+  if (opt_info.verification == OptionVerificationType::kDeprecated) {
+    // Should also skip deprecated sub-options such as
+    // fifo_compaction_options_type_info.ttl
+    return true;
+  }
   return ParseOptionHelper(
       reinterpret_cast<char*>(options) + opt_info.mutable_offset, opt_info.type,
       value);