diff --git a/defs.h b/defs.h
index 75b002dc..d340cbd5 100644
--- a/defs.h
+++ b/defs.h
@@ -369,7 +369,6 @@ struct tcb {
 				/* Support for tracing forked processes */
 	struct tcb *parent;	/* Parent of this process */
 	int nchildren;		/* # of traced children */
-	int nzombies;		/* # of formerly traced children now dead */
 #ifdef LINUX
 	int nclone_threads;	/* # of nchildren with CLONE_THREAD */
 #endif
diff --git a/strace.c b/strace.c
index 93e6d29f..6fb6fd6e 100644
--- a/strace.c
+++ b/strace.c
@@ -1285,7 +1285,6 @@ alloc_tcb(int pid, int command_options_parsed)
 			tcp->pid = pid;
 			tcp->parent = NULL;
 			tcp->nchildren = 0;
-			tcp->nzombies = 0;
 #ifdef TCB_CLONE_THREAD
 			tcp->nclone_threads = 0;
 #endif
@@ -1668,7 +1667,6 @@ droptcb(struct tcb *tcp)
 		if (tcp->flags & TCB_CLONE_THREAD)
 			tcp->parent->nclone_threads--;
 #endif
-		tcp->parent->nzombies++;
 #ifdef LINUX
 		/* Update `tcp->parent->parent->nchildren' and the other fields
 		   like NCLONE_DETACHED, only for zombie group leader that has