diff --git a/criu/cr-restore.c b/criu/cr-restore.c
index e8fb4adf8..6ba50f183 100644
--- a/criu/cr-restore.c
+++ b/criu/cr-restore.c
@@ -880,7 +880,6 @@ static void zombie_prepare_signals(void)
 		(1 << SIGPOLL)	|\
 		(1 << SIGIO)	|\
 		(1 << SIGSYS)	|\
-		(1 << SIGUNUSED)|\
 		(1 << SIGSTKFLT)|\
 		(1 << SIGPWR)	 \
 	)
diff --git a/test/zdtm/static/pthread01.c b/test/zdtm/static/pthread01.c
index 52f849c06..2520fcfee 100644
--- a/test/zdtm/static/pthread01.c
+++ b/test/zdtm/static/pthread01.c
@@ -43,7 +43,7 @@ static char *decode_signal(const sigset_t *s, char *buf)
 	COLLECT(SIGTERM); COLLECT(SIGSTKFLT); COLLECT(SIGCHLD); COLLECT(SIGCONT); COLLECT(SIGSTOP);
 	COLLECT(SIGTSTP); COLLECT(SIGTTIN); COLLECT(SIGTTOU); COLLECT(SIGURG); COLLECT(SIGXCPU);
 	COLLECT(SIGXFSZ); COLLECT(SIGVTALRM); COLLECT(SIGPROF); COLLECT(SIGWINCH); COLLECT(SIGIO);
-	COLLECT(SIGPOLL); COLLECT(SIGPWR); COLLECT(SIGSYS); COLLECT(SIGUNUSED);
+	COLLECT(SIGPOLL); COLLECT(SIGPWR); COLLECT(SIGSYS);
 #undef COLLECT
 
 	return buf;