diff --git a/man2/truncate.2 b/man2/truncate.2
index a882e41c7..ebe3c4ef4 100644
--- a/man2/truncate.2
+++ b/man2/truncate.2
@@ -46,7 +46,6 @@ truncate, ftruncate \- truncate a file to a specified length
 .SH SYNOPSIS
 .nf
 .B #include <unistd.h>
-.B #include <sys/types.h>
 .PP
 .BI "int truncate(const char *" path ", off_t " length );
 .BI "int ftruncate(int " fd ", off_t " length );