@@ -13,12 +13,10 @@
  * Public License, either version 2 or 3, which can be found in the file
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
-#include <math.h>
-
 bool
 of_condition_new(of_condition_t *condition)
 {
 	return (pthread_cond_init(condition, NULL) == 0);
 }
@@ -46,15 +44,15 @@
     of_time_interval_t timeout)
 {
 	struct timespec ts;
 
 	ts.tv_sec = (time_t)timeout;
-	ts.tv_nsec = lrint((timeout - ts.tv_sec) * 1000000000);
+	ts.tv_nsec = (timeout - ts.tv_sec) * 1000000000;
 
 	return (pthread_cond_timedwait(condition, mutex, &ts) == 0);
 }
 
 bool
 of_condition_free(of_condition_t *condition)
 {
 	return (pthread_cond_destroy(condition) == 0);
 }