diff --git a/usr.bin/ipcrm/ipcrm.c b/usr.bin/ipcrm/ipcrm.c
index 4f62296df09c..cde581fd2bb8 100644
--- a/usr.bin/ipcrm/ipcrm.c
+++ b/usr.bin/ipcrm/ipcrm.c
@@ -50,6 +50,12 @@ static const char rcsid[] =
 #define IPC_TO_STRING(x) (x == 'Q' ? "message queue" : \
 	(x == 'M' ? "shared memory segment" : "semaphore"))
 
+void usage(void);
+int msgrm(key_t, int);
+int shmrm(key_t, int);
+int semrm(key_t, int);
+void not_configured(int);
+
 int signaled;
 
 void usage(void);