diff --git a/date.c b/date.c
index 467270e..db69091 100644
--- a/date.c
+++ b/date.c
@@ -26,7 +26,7 @@ main(int argc, char *argv[])
 	t = time(NULL);
 	ARGBEGIN {
 	case 'd':
-		t = estrtonum(EARGF(usage()), 0, MIN(LLONG_MAX, (time_t)-1));
+		t = estrtonum(EARGF(usage()), 0, LLONG_MAX);
 		break;
 	case 'u':
 		tztime = gmtime;
diff --git a/touch.c b/touch.c
index 81c470c..536807a 100644
--- a/touch.c
+++ b/touch.c
@@ -73,7 +73,7 @@ main(int argc, char *argv[])
 		t = st.st_mtime;
 		break;
 	case 't':
-		t = estrtonum(EARGF(usage()), 0, MIN(LLONG_MAX, (time_t)-1));
+		t = estrtonum(EARGF(usage()), 0, LLONG_MAX);
 		break;
 	default:
 		usage();