diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c
index abd6907a62bf7e0b09aeaff7dbff2decee669c27..9460806b7d56c12b511e91ad9f19f9e59d1a93b2 100644
--- a/servers/slapd/connection.c
+++ b/servers/slapd/connection.c
@@ -1237,7 +1237,7 @@ int connection_read_activate( ber_socket_t s )
 	 * thread reads data on it. Otherwise the listener thread will repeatedly
 	 * submit the same event on it to the pool.
 	 */
-	rc = slapd_ack_read( s, 0 );
+	rc = slapd_clr_read( s, 0 );
 	if ( rc )
 		return rc;
 
@@ -1841,7 +1841,7 @@ int connection_write(ber_socket_t s)
 
 	assert( connections != NULL );
 
-	slapd_ack_write( s, 0 );
+	slapd_clr_write( s, 0 );
 
 	c = connection_get( s );
 	if( c == NULL ) {
diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index fb01e403f34809d4efff0caad573c4774a25ad88..c82260eba88bcfbf78c1489b66facdb34f59a567 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -161,9 +161,6 @@ static struct slap_daemon {
 /***************************************
  * Use epoll infrastructure - epoll(4) *
  ***************************************/
-
-#undef SLAP_EVENT_ACK		/* events trigger once per descriptor */
-
 # define SLAP_EVENT_FNAME		"epoll"
 # define SLAP_EVENTS_ARE_INDEXED	0
 # define SLAP_EPOLL_SOCK_IX(s)		(slap_daemon.sd_index[(s)])
@@ -294,12 +291,10 @@ static struct slap_daemon {
 } while (0)
 
 #elif defined(SLAP_X_DEVPOLL) && defined(HAVE_DEVPOLL)
+
 /*************************************************************
  * Use Solaris' (>= 2.7) /dev/poll infrastructure - poll(7d) *
  *************************************************************/
-
-#define SLAP_EVENT_ACK	1	/* events keep signalling unless we stop them */
-
 # define SLAP_EVENT_FNAME		"/dev/poll"
 # define SLAP_EVENTS_ARE_INDEXED	0
 /*
@@ -475,9 +470,6 @@ static struct slap_daemon {
 } while (0)
 
 #else /* ! epoll && ! /dev/poll */
-
-#define SLAP_EVENT_ACK	1	/* events keep signalling unless we stop them */
-
 # ifdef HAVE_WINSOCK
 # define SLAP_EVENT_FNAME		"WSselect"
 /* Winsock provides a "select" function but its fd_sets are
@@ -935,24 +927,6 @@ slapd_remove(
 	WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
 }
 
-void
-slapd_ack_write( ber_socket_t s, int wake )
-{
-#ifdef SLAP_EVENT_ACK
-	ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
-
-	if ( SLAP_SOCK_IS_WRITE( s )) {
-		assert( SLAP_SOCK_IS_ACTIVE( s ));
-
-		SLAP_SOCK_CLR_WRITE( s );
-		slap_daemon.sd_nwriters--;
-	}
-
-	ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-#endif
-	WAKE_LISTENER(wake);
-}
-
 void
 slapd_clr_write( ber_socket_t s, int wake )
 {
@@ -985,26 +959,6 @@ slapd_set_write( ber_socket_t s, int wake )
 	WAKE_LISTENER(wake);
 }
 
-int
-slapd_ack_read( ber_socket_t s, int wake )
-{
-#ifdef SLAP_EVENT_ACK
-	int rc = 1;
-	ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
-
-	if ( SLAP_SOCK_IS_ACTIVE( s )) {
-		SLAP_SOCK_CLR_READ( s );
-		rc = 0;
-	}
-	ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-	if ( !rc )
-		WAKE_LISTENER(wake);
-	return rc;
-#else
-	return 0;
-#endif
-}
-
 int
 slapd_clr_read( ber_socket_t s, int wake )
 {
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index 3bfe1263703d8878e8900c109c10caa1cd88460f..5837bb50f2b35236e5ed15f43a404d2ac4472643 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -831,10 +831,8 @@ LDAP_SLAPD_F (void) slap_wake_listener LDAP_P((void));
 
 LDAP_SLAPD_F (void) slapd_set_write LDAP_P((ber_socket_t s, int wake));
 LDAP_SLAPD_F (void) slapd_clr_write LDAP_P((ber_socket_t s, int wake));
-LDAP_SLAPD_F (void) slapd_ack_write LDAP_P((ber_socket_t s, int wake));
 LDAP_SLAPD_F (void) slapd_set_read LDAP_P((ber_socket_t s, int wake));
 LDAP_SLAPD_F (int) slapd_clr_read LDAP_P((ber_socket_t s, int wake));
-LDAP_SLAPD_F (int) slapd_ack_read LDAP_P((ber_socket_t s, int wake));
 
 LDAP_SLAPD_V (volatile sig_atomic_t) slapd_abrupt_shutdown;
 LDAP_SLAPD_V (volatile sig_atomic_t) slapd_shutdown;