diff --git a/quic/core/quic_utils.h b/quic/core/quic_utils.h
index 463b63f..abef12b 100644
--- a/quic/core/quic_utils.h
+++ b/quic/core/quic_utils.h
@@ -11,6 +11,7 @@
 #include <string>
 #include <type_traits>
 
+#include "absl/numeric/int128.h"
 #include "absl/strings/string_view.h"
 #include "quic/core/crypto/quic_random.h"
 #include "quic/core/frames/quic_frame.h"
@@ -21,7 +22,6 @@
 #include "quic/platform/api/quic_export.h"
 #include "quic/platform/api/quic_iovec.h"
 #include "quic/platform/api/quic_socket_address.h"
-#include "quic/platform/api/quic_uint128.h"
 
 namespace quic {
 
@@ -35,22 +35,22 @@
 
   // Returns the 128 bit FNV1a hash of the data.  See
   // http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
-  static QuicUint128 FNV1a_128_Hash(absl::string_view data);
+  static absl::uint128 FNV1a_128_Hash(absl::string_view data);
 
   // Returns the 128 bit FNV1a hash of the two sequences of data.  See
   // http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
-  static QuicUint128 FNV1a_128_Hash_Two(absl::string_view data1,
-                                        absl::string_view data2);
+  static absl::uint128 FNV1a_128_Hash_Two(absl::string_view data1,
+                                          absl::string_view data2);
 
   // Returns the 128 bit FNV1a hash of the three sequences of data.  See
   // http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
-  static QuicUint128 FNV1a_128_Hash_Three(absl::string_view data1,
-                                          absl::string_view data2,
-                                          absl::string_view data3);
+  static absl::uint128 FNV1a_128_Hash_Three(absl::string_view data1,
+                                            absl::string_view data2,
+                                            absl::string_view data3);
 
   // SerializeUint128 writes the first 96 bits of |v| in little-endian form
   // to |out|.
-  static void SerializeUint128Short(QuicUint128 v, uint8_t* out);
+  static void SerializeUint128Short(absl::uint128 v, uint8_t* out);
 
   // Returns AddressChangeType as a string.
   static std::string AddressChangeTypeToString(AddressChangeType type);
@@ -219,7 +219,7 @@
   static QuicConnectionId CreateZeroConnectionId(QuicTransportVersion version);
 
   // Generates a 128bit stateless reset token based on a connection ID.
-  static QuicUint128 GenerateStatelessResetToken(
+  static absl::uint128 GenerateStatelessResetToken(
       QuicConnectionId connection_id);
 
   // Determines packet number space from |encryption_level|.