diff --git a/mediapipe/framework/tool/name_util.cc b/mediapipe/framework/tool/name_util.cc
index 4784441d7..d42cbb622 100644
--- a/mediapipe/framework/tool/name_util.cc
+++ b/mediapipe/framework/tool/name_util.cc
@@ -60,7 +60,7 @@ std::string GetUnusedSidePacketName(
   }
   std::string candidate = input_side_packet_name_base;
   int iter = 2;
-  while (mediapipe::ContainsKey(input_side_packets, candidate)) {
+  while (input_side_packets.contains(candidate)) {
     candidate = absl::StrCat(input_side_packet_name_base, "_",
                              absl::StrFormat("%02d", iter));
     ++iter;
diff --git a/mediapipe/framework/tool/tag_map_test.cc b/mediapipe/framework/tool/tag_map_test.cc
index 20a9be966..a93b94445 100644
--- a/mediapipe/framework/tool/tag_map_test.cc
+++ b/mediapipe/framework/tool/tag_map_test.cc
@@ -101,7 +101,7 @@ void TestSuccessTagMap(const std::vector<std::string>& tag_index_names,
   EXPECT_EQ(tags.size(), tag_map->Mapping().size())
       << "Parameters: in " << tag_map->DebugString();
   for (int i = 0; i < tags.size(); ++i) {
-    EXPECT_TRUE(mediapipe::ContainsKey(tag_map->Mapping(), tags[i]))
+    EXPECT_TRUE(tag_map->Mapping().contains(tags[i]))
         << "Parameters: Trying to find \"" << tags[i] << "\" in\n"
         << tag_map->DebugString();
   }