diff --git a/http2/test_tools/http2_random.cc b/http2/test_tools/http2_random.cc
index c9a071d..8f9014e 100644
--- a/http2/test_tools/http2_random.cc
+++ b/http2/test_tools/http2_random.cc
@@ -1,5 +1,6 @@
 #include "http2/test_tools/http2_random.h"
 
+#include "absl/strings/escaping.h"
 #include "http2/platform/api/http2_logging.h"
 #include "http2/platform/api/http2_string_utils.h"
 #include "third_party/boringssl/src/include/openssl/chacha.h"
@@ -17,13 +18,14 @@
 }
 
 Http2Random::Http2Random(absl::string_view key) {
-  std::string decoded_key = Http2HexDecode(key);
+  std::string decoded_key = absl::HexStringToBytes(key);
   QUICHE_CHECK_EQ(sizeof(key_), decoded_key.size());
   memcpy(key_, decoded_key.data(), sizeof(key_));
 }
 
 std::string Http2Random::Key() const {
-  return Http2HexEncode(key_, sizeof(key_));
+  return absl::BytesToHexString(
+      absl::string_view(reinterpret_cast<const char*>(key_), sizeof(key_)));
 }
 
 void Http2Random::FillRandom(void* buffer, size_t buffer_size) {