diff --git a/minix/usr.bin/grep/binary.c b/minix/usr.bin/grep/binary.c
index 1a22a6b2e..09d868958 100644
--- a/minix/usr.bin/grep/binary.c
+++ b/minix/usr.bin/grep/binary.c
@@ -62,7 +62,7 @@ bin_file(FILE *f)
 
 #ifndef NOZ
 int
-gzbin_file(gzFile *f)
+gzbin_file(gzFile f)
 {
 	char		buf[BUFSIZ];
 	int		m;
diff --git a/minix/usr.bin/grep/file.c b/minix/usr.bin/grep/file.c
index a10652228..45ea21461 100644
--- a/minix/usr.bin/grep/file.c
+++ b/minix/usr.bin/grep/file.c
@@ -53,12 +53,12 @@ struct file {
 	int	 noseek;
 	FILE	*f;
 	mmf_t	*mmf;
-	gzFile	*gzf;
+	gzFile	gzf;
 };
 
 #ifndef NOZ
 static char *
-gzfgetln(gzFile *f, size_t *len)
+gzfgetln(gzFile f, size_t *len)
 {
 	size_t		n;
 	int		c;
diff --git a/minix/usr.bin/grep/grep.h b/minix/usr.bin/grep/grep.h
index 255a78fa5..d8f28c75f 100644
--- a/minix/usr.bin/grep/grep.h
+++ b/minix/usr.bin/grep/grep.h
@@ -121,6 +121,6 @@ void		 grep_close(file_t *f);
 
 /* binary.c */
 int		 bin_file(FILE * f);
-int		 gzbin_file(gzFile * f);
+int		 gzbin_file(gzFile f);
 int		 mmbin_file(mmf_t *f);