--- a/ipc/chromium/src/base/message_pump_libevent.cc
+++ b/ipc/chromium/src/base/message_pump_libevent.cc
@@ -41,7 +41,6 @@
 CHECK_EVENT_SIZEOF(PTHREAD_T, pthread_t);
 CHECK_EVENT_SIZEOF(SHORT, short);
 CHECK_EVENT_SIZEOF(SIZE_T, size_t);
-CHECK_EVENT_SIZEOF(TIME_T, time_t);
 CHECK_EVENT_SIZEOF(VOID_P, void*);
 
 // Lifecycle of struct event