diff --git a/modules/rtp_rtcp/source/rtp_packet_history.cc b/modules/rtp_rtcp/source/rtp_packet_history.cc
index b3d9b8f..1e75e47 100644
--- a/modules/rtp_rtcp/source/rtp_packet_history.cc
+++ b/modules/rtp_rtcp/source/rtp_packet_history.cc
@@ -14,7 +14,6 @@
 #include <cstdint>
 #include <limits>
 #include <memory>
-#include <optional>
 #include <utility>
 
 #include "modules/include/module_common_types_public.h"
@@ -350,7 +349,7 @@
 void RtpPacketHistory::Reset() {
   packet_history_.clear();
   padding_priority_.clear();
-  large_payload_packet_ = std::nullopt;
+  large_payload_packet_ = absl::nullopt;
 }
 
 void RtpPacketHistory::CullOldPackets() {
diff --git a/modules/rtp_rtcp/source/rtp_packet_history.h b/modules/rtp_rtcp/source/rtp_packet_history.h
index c278c15..18310a8 100644
--- a/modules/rtp_rtcp/source/rtp_packet_history.h
+++ b/modules/rtp_rtcp/source/rtp_packet_history.h
@@ -18,6 +18,7 @@
 #include <utility>
 #include <vector>
 
+#include "absl/types/optional.h"
 #include "api/function_view.h"
 #include "api/units/time_delta.h"
 #include "api/units/timestamp.h"
@@ -208,7 +209,7 @@
   // in GetPayloadPaddingPacket().
   PacketPrioritySet padding_priority_ RTC_GUARDED_BY(lock_);
 
-  std::optional<RtpPacketToSend> large_payload_packet_ RTC_GUARDED_BY(lock_);
+  absl::optional<RtpPacketToSend> large_payload_packet_ RTC_GUARDED_BY(lock_);
 };
 }  // namespace webrtc
 #endif  // MODULES_RTP_RTCP_SOURCE_RTP_PACKET_HISTORY_H_