diff --git a/common/sudo_debug.c b/common/sudo_debug.c
index ed842bc62..b2d98ca6d 100644
--- a/common/sudo_debug.c
+++ b/common/sudo_debug.c
@@ -52,6 +52,7 @@
 #include "fatal.h"
 #include "sudo_plugin.h"
 #include "sudo_debug.h"
+#include "sudo_util.h"
 
 #define DEFAULT_TEXT_DOMAIN	"sudo"
 #include "gettext.h"
diff --git a/config.h.in b/config.h.in
index 301695c40..b392f1de6 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1112,41 +1112,6 @@
    code using `volatile' can become incorrect without. Disable with care. */
 #undef volatile
 
-/*
- * Macros to convert ctime and mtime into timevals.
- */
-#define timespec2timeval(_ts, _tv) do {					\
-    (_tv)->tv_sec = (_ts)->tv_sec;					\
-    (_tv)->tv_usec = (_ts)->tv_nsec / 1000;				\
-} while (0)
-
-#ifdef HAVE_ST_MTIM
-# ifdef HAVE_ST__TIM
-#  define ctim_get(_x, _y)	timespec2timeval(&(_x)->st_ctim.st__tim, (_y))
-#  define mtim_get(_x, _y)	timespec2timeval(&(_x)->st_mtim.st__tim, (_y))
-# else
-#  define ctim_get(_x, _y)	timespec2timeval(&(_x)->st_ctim, (_y))
-#  define mtim_get(_x, _y)	timespec2timeval(&(_x)->st_mtim, (_y))
-# endif
-#else
-# ifdef HAVE_ST_MTIMESPEC
-#  define ctim_get(_x, _y)	timespec2timeval(&(_x)->st_ctimespec, (_y))
-#  define mtim_get(_x, _y)	timespec2timeval(&(_x)->st_mtimespec, (_y))
-# else
-#  define ctim_get(_x, _y)	do { (_y)->tv_sec = (_x)->st_ctime; (_y)->tv_usec = 0; } while (0)
-#  define mtim_get(_x, _y)	do { (_y)->tv_sec = (_x)->st_mtime; (_y)->tv_usec = 0; } while (0)
-# endif /* HAVE_ST_MTIMESPEC */
-#endif /* HAVE_ST_MTIM */
-
-#ifdef __GNUC__
-# define ignore_result(x) do {						       \
-    __typeof__(x) y = (x);						       \
-    (void)y;								       \
-} while(0)
-#else
-# define ignore_result(x)	(void)(x)
-#endif
-
 /* BSD compatibility on some SVR4 systems. */
 #ifdef __svr4__
 # define BSD_COMP
diff --git a/include/sudo_util.h b/include/sudo_util.h
index b1c0fce97..519d84490 100644
--- a/include/sudo_util.h
+++ b/include/sudo_util.h
@@ -103,6 +103,39 @@
     } while (0)
 #endif
 
+/*
+ * Macros to extract ctime and mtime as timevals.
+ */
+#ifdef HAVE_ST_MTIM
+# ifdef HAVE_ST__TIM
+#  define ctim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctim.st__tim)
+#  define mtim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtim.st__tim)
+# else
+#  define ctim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctim)
+#  define mtim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtim)
+# endif
+#else
+# ifdef HAVE_ST_MTIMESPEC
+#  define ctim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_ctimespec)
+#  define mtim_get(_x, _y)	TIMESPEC_TO_TIMEVAL((_y), &(_x)->st_mtimespec)
+# else
+#  define ctim_get(_x, _y)	do { (_y)->tv_sec = (_x)->st_ctime; (_y)->tv_usec = 0; } while (0)
+#  define mtim_get(_x, _y)	do { (_y)->tv_sec = (_x)->st_mtime; (_y)->tv_usec = 0; } while (0)
+# endif /* HAVE_ST_MTIMESPEC */
+#endif /* HAVE_ST_MTIM */
+
+/*
+ * Macros to quiet gcc's warn_unused_result attribute.
+ */
+#ifdef __GNUC__
+# define ignore_result(x) do {						       \
+    __typeof__(x) y = (x);						       \
+    (void)y;								       \
+} while(0)
+#else
+# define ignore_result(x)	(void)(x)
+#endif
+
 /* aix.c */
 void aix_prep_user(char *user, const char *tty);
 void aix_restoreauthdb(void);
diff --git a/plugins/sample/sample_plugin.c b/plugins/sample/sample_plugin.c
index f1d6392e7..202f9bf2e 100644
--- a/plugins/sample/sample_plugin.c
+++ b/plugins/sample/sample_plugin.c
@@ -55,6 +55,7 @@
 
 #include <pathnames.h>
 #include "sudo_plugin.h"
+#include "sudo_util.h"
 #include "missing.h"
 
 /*