diff --git a/src/apps/bin/ping/ping.c b/src/apps/bin/ping/ping.c
index 3a1362117a..0c264d1115 100644
--- a/src/apps/bin/ping/ping.c
+++ b/src/apps/bin/ping/ping.c
@@ -69,14 +69,11 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <ctype.h>
-//#include <err.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <sys/select.h>
 
-#define howmany(x, y) _howmany(x, y)
-
 #define	DEFDATALEN	(64 - 8)		/* default data length */
 #define	MAXIPLEN	60
 #define	MAXICMPLEN	76
@@ -475,7 +472,7 @@ int main(int argc, char **argv)
 	if ((options & F_FLOOD) == 0)
 		catcher();		/* start things going */
 
-	fdmasks = howmany(s+1, NFDBITS) * sizeof(fd_mask);
+	fdmasks = _howmany(s+1, NFDBITS) * sizeof(fd_mask);
 	if ((fdmaskp = (fd_set *)malloc(fdmasks)) == NULL)
 		err(1, "malloc");
 
diff --git a/src/apps/bin/traceroute/traceroute.c b/src/apps/bin/traceroute/traceroute.c
index 93776aea0c..5bfbe8777c 100644
--- a/src/apps/bin/traceroute/traceroute.c
+++ b/src/apps/bin/traceroute/traceroute.c
@@ -219,8 +219,6 @@
 #include <netinet/udp.h>
 #include <sys/select.h>
 
-#define howmany(x, y) _howmany(x, y)
-
 #include <arpa/inet.h>
 
 #include <ctype.h>
@@ -696,7 +694,7 @@ wait_for_reply(sock, from, sent)
 	size_t fromlen = sizeof (*from);
 	fd_set *fdsp;
 
-	fdsn = howmany(sock+1, NFDBITS) * sizeof(fd_mask);
+	fdsn = _howmany(sock+1, NFDBITS) * sizeof(fd_mask);
 	if ((fdsp = (fd_set *)malloc(fdsn)) == NULL)
 		err(1, "malloc");
 	memset(fdsp, 0, fdsn);