diff --git a/usr.bin/locate/locate/locate.c b/usr.bin/locate/locate/locate.c
index 3a87b14a0de7..ee9d26d0fccc 100644
--- a/usr.bin/locate/locate/locate.c
+++ b/usr.bin/locate/locate/locate.c
@@ -134,9 +134,7 @@ extern int	check_bigram_char(int);
 extern char 	*patprep(char *);
 
 int
-main(argc, argv)
-        int argc;
-        char **argv;
+main(int argc, char **argv)
 {
         register int ch;
         char **dbv = NULL;
@@ -225,10 +223,13 @@ main(argc, argv)
 }
 
 
+/*
+ * Arguments:
+ * db	database
+ * s	search strings
+ */
 void
-search_fopen(db, s)
-	char *db; /* database */
-	char **s; /* search strings */
+search_fopen(char *db, char **s)
 {
 	FILE *fp;
 #ifdef DEBUG
@@ -275,10 +276,13 @@ search_fopen(db, s)
 } 
 
 #ifdef MMAP
+/*
+ * Arguments:
+ * db	database
+ * s	search strings
+ */
 void
-search_mmap(db, s)
-	char *db; /* database */
-	char **s; /* search strings */
+search_mmap(char *db, char **s)
 {
         struct stat sb;
         int fd;
diff --git a/usr.bin/locate/locate/util.c b/usr.bin/locate/locate/util.c
index 9130e375454b..a315d50c6a7f 100644
--- a/usr.bin/locate/locate/util.c
+++ b/usr.bin/locate/locate/util.c
@@ -83,10 +83,7 @@ check_bigram_char(ch)
  *
  */
 char **
-colon(dbv, path, dot)
-	char **dbv;
-	char *path;
-	char *dot; /* default for single ':' */
+colon(char **dbv, char *path, char *dot)
 {
 	int vlen, slen;
 	char *c, *ch, *p;