@@ -17,11 +17,10 @@
 
 #include "config.h"
 
 #include <assert.h>
 #include <errno.h>
-#include <math.h>
 
 #ifdef HAVE_FCNTL_H
 # include <fcntl.h>
 #endif
 #include "unistd_wrapper.h"
@@ -163,11 +162,11 @@
 
 	if ([self of_processReadBuffers])
 		return;
 
 	timeout.tv_sec = (time_t)timeInterval;
-	timeout.tv_nsec = lrint((timeInterval - timeout.tv_sec) * 1000000000);
+	timeout.tv_nsec = (timeInterval - timeout.tv_sec) * 1000000000;
 
 	events = kevent(_kernelQueue, NULL, 0, eventList, EVENTLIST_SIZE,
 	    (timeInterval != -1 ? &timeout : NULL));
 
 	if (events < 0)