diff --git a/ChangeLog b/ChangeLog
index ad865fdfd3..d33c22359a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2012-05-22  Paul Eggert  <eggert@cs.ucla.edu>
 
+	mktime: merge <sys/types.h> change from gnulib
+	* time/mktime.c: Do not include <sys/types.h>; no longer needed,
+	since <time.t> is now guaranteed to define time_t.
+
 	mktime: merge HAVE_CONFIG_H change from gnulib
 	* time/mktime.c: Include <config.h> if !_LIBC, not if HAVE_CONFIG_H.
 
diff --git a/time/mktime.c b/time/mktime.c
index 0e5fde015b..e4b3b66bc8 100644
--- a/time/mktime.c
+++ b/time/mktime.c
@@ -32,7 +32,6 @@
 # define LEAP_SECONDS_POSSIBLE 1
 #endif
 
-#include <sys/types.h>		/* Some systems define `time_t' here.  */
 #include <time.h>
 
 #include <limits.h>