diff --git a/app/xenodm/include/dm.h b/app/xenodm/include/dm.h
index 05b336aa6..4a107b2a2 100644
--- a/app/xenodm/include/dm.h
+++ b/app/xenodm/include/dm.h
@@ -49,7 +49,6 @@ from The Open Group.
 # include <X11/Xauth.h>
 # include <X11/Intrinsic.h>
 
-# include <setjmp.h>
 # include <limits.h>
 # include <time.h>
 # define Time_t time_t
@@ -320,11 +319,6 @@ extern void WaitForChild (void);
 
 # include <stdlib.h>
 
-#  define Setjmp(e)   sigsetjmp(e,1)
-#  define Longjmp(e,v)	siglongjmp(e,v)
-#  define Jmp_buf		sigjmp_buf
-
-
 typedef void (*SIGFUNC)(int);