diff --git a/man2/wait4.2 b/man2/wait4.2
index 53fb8f639..3bd60367e 100644
--- a/man2/wait4.2
+++ b/man2/wait4.2
@@ -35,9 +35,6 @@
 wait3, wait4 \- wait for process to change state, BSD style
 .SH SYNOPSIS
 .nf
-.B #include <sys/types.h>
-.B #include <sys/time.h>
-.B #include <sys/resource.h>
 .B #include <sys/wait.h>
 .PP
 .BI "pid_t wait3(int *" "wstatus" ", int " options ", struct rusage *" rusage );