--- lockdev-1.0.3/src/ttylock.h.orig	2021-08-24 19:07:37.210579510 +0200
+++ lockdev-1.0.3/src/ttylock.h	2021-08-24 19:07:44.530692451 +0200
@@ -36,12 +36,6 @@
 
 /* API of the library */
 
-int ttylock (char * devname);
-int ttywait (char * devname);
-int ttyunlock (char * devname);
-int ttylocked (char * devname);
-
-
 static inline int
 ttylock(char *devname)
 {