diff --git a/av1/qmode_rc/ducky_encode.cc b/av1/qmode_rc/ducky_encode.cc
index bd4b766..7e0d691 100644
--- a/av1/qmode_rc/ducky_encode.cc
+++ b/av1/qmode_rc/ducky_encode.cc
@@ -582,31 +582,6 @@
   return tpl_gop_stats_list;
 }
 
-std::vector<TplGopStats> DuckyEncode::ComputeTwoPassTplStats(
-    const std::vector<FIRSTPASS_STATS> &stats_list,
-    const GopStructList &gop_list,
-    const GopEncodeInfoList &gop_encode_info_list,
-    const GopEncodeInfoList &alt_gop_encode_info_list) {
-  std::vector<TplGopStats> first_tpl_gop_stats_list =
-      ComputeTplStats(stats_list, gop_list, gop_encode_info_list);
-  const std::vector<TplGopStats> second_tpl_gop_stats_list =
-      ComputeTplStats(stats_list, gop_list, alt_gop_encode_info_list);
-  assert(first_tpl_gop_stats_list.size() == second_tpl_gop_stats_list.size());
-
-  // Set alternate_block_stats_list in first_tpl_gop_stats_list
-  // and return first_tpl_gop_stats_list
-  for (size_t i = 0; i < first_tpl_gop_stats_list.size(); ++i) {
-    for (size_t j = 0; j < first_tpl_gop_stats_list[i].frame_stats_list.size();
-         ++j) {
-      first_tpl_gop_stats_list[i]
-          .frame_stats_list[j]
-          .alternate_block_stats_list =
-          second_tpl_gop_stats_list[i].frame_stats_list[j].block_stats_list;
-    }
-  }
-  return first_tpl_gop_stats_list;
-}
-
 // Conduct final encoding process.
 std::vector<EncodeFrameResult> DuckyEncode::EncodeVideo(
     const GopStructList &gop_list,
diff --git a/av1/qmode_rc/ducky_encode.h b/av1/qmode_rc/ducky_encode.h
index 5dee2a5..dfedccc 100644
--- a/av1/qmode_rc/ducky_encode.h
+++ b/av1/qmode_rc/ducky_encode.h
@@ -87,12 +87,6 @@
       const GopStructList &gop_list,
       const GopEncodeInfoList &gop_encode_info_list);
 
-  std::vector<TplGopStats> ComputeTwoPassTplStats(
-      const std::vector<FIRSTPASS_STATS> &stats_list,
-      const GopStructList &gop_list,
-      const GopEncodeInfoList &gop_encode_info_list,
-      const GopEncodeInfoList &alt_gop_encode_info_list);
-
   std::vector<EncodeFrameResult> EncodeVideo(
       const GopStructList &gop_list,
       const GopEncodeInfoList &gop_encode_info_list);