diff --git a/quic/test_tools/simulator/quic_endpoint.cc b/quic/test_tools/simulator/quic_endpoint.cc
index 71f4621..fd5c5b7 100644
--- a/quic/test_tools/simulator/quic_endpoint.cc
+++ b/quic/test_tools/simulator/quic_endpoint.cc
@@ -228,7 +228,7 @@
                                                  QuicStreamOffset /*offset*/,
                                                  QuicByteCount /*data_length*/,
                                                  QuicDataWriter* /*writer*/) {
-  QUIC_BUG_V2(quic_bug_10157_1)
+  QUIC_BUG(quic_bug_10157_1)
       << "QuicEndpoint::DataProducer::WriteCryptoData is unimplemented";
   return false;
 }
diff --git a/quic/test_tools/simulator/simulator.cc b/quic/test_tools/simulator/simulator.cc
index 7476b2a..a9835e8 100644
--- a/quic/test_tools/simulator/simulator.cc
+++ b/quic/test_tools/simulator/simulator.cc
@@ -155,7 +155,7 @@
   Unschedule(actor);
 
   if (clock_.Now() > event_time) {
-    QUIC_BUG_V2(quic_bug_10150_1)
+    QUIC_BUG(quic_bug_10150_1)
         << "Error: event registered by [" << actor->name()
         << "] requires travelling back in time.  Current time: "
         << clock_.Now().ToDebuggingValue()