diff --git a/examples/ccn-lite-client/Makefile b/examples/ccn-lite-client/Makefile
index 66afa898ab..5e9d16fe5a 100644
--- a/examples/ccn-lite-client/Makefile
+++ b/examples/ccn-lite-client/Makefile
@@ -27,14 +27,12 @@ RIOTBASE ?= $(CURDIR)/../..
 # Change this to 0 show compiler invocation lines by default:
 QUIET ?= 1
 
-BOARD_INSUFFICIENT_RAM := chronos msb-430h telosb wsn430-v1_3b wsn430-v1_4
-BOARD_BLACKLIST := arduino-due mbed_lpc1768 msb-430 pttu redbee-econotag udoo z1 qemu-i386 \
+BOARD_INSUFFICIENT_RAM := chronos msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1 redbee-econotag
+BOARD_BLACKLIST := arduino-due mbed_lpc1768 msb-430 pttu udoo qemu-i386 \
                    stm32f0discovery stm32f4discovery
 # mbed_lpc1768:     see https://github.com/RIOT-OS/RIOT/issues/675
 # msb-430:          see https://github.com/RIOT-OS/RIOT/issues/658
 # pttu:             see https://github.com/RIOT-OS/RIOT/issues/659
-# redbee-econotag:  see https://github.com/RIOT-OS/RIOT/issues/676
-# z1:               lacks RTC features
 # qemu-i386:        no transceiver, yet
 # stm32f0discovery: no transceiver, yet
 # stm32f4discovery: no transceiver, yet
@@ -47,7 +45,7 @@ USEMODULE += posix
 USEMODULE += ps
 USEMODULE += random
 USEMODULE += defaulttransceiver
-USEMODULE += rtc
+USEMODULE += vtimer
 USEMODULE += ccn_lite
 USEMODULE += ccn_lite_client
 
diff --git a/examples/ccn-lite-client/main.c b/examples/ccn-lite-client/main.c
index b7d8e7c2ae..694b6fa0de 100644
--- a/examples/ccn-lite-client/main.c
+++ b/examples/ccn-lite-client/main.c
@@ -29,7 +29,7 @@
 #include "shell.h"
 #include "board_uart0.h"
 #include "transceiver.h"
-#include "rtc.h"
+#include "vtimer.h"
 #include "ps.h"
 #include "ltc4150.h"
 
@@ -214,7 +214,7 @@ static void riot_ccn_pit_test(int argc, char **argv)
     msg_t m;
     riot_ccnl_msg_t rmsg;
     char segment_string[16]; //max=999\0
-    struct timeval now;
+    timex_t now;
 
     int segment;
 
@@ -233,7 +233,7 @@ static void riot_ccn_pit_test(int argc, char **argv)
         msg_send(&m, relay_pid, 1);
 
         if ((segment % 50) == 0) {
-            rtc_time(&now);
+            vtimer_now(&now);
             printf("done: %d - %ld.%ld\n", segment, now.tv_sec, now.tv_usec);
         }
     }
@@ -251,7 +251,7 @@ static void riot_ccn_fib_test(int argc, char **argv)
 
     riot_new_face(relay_pid, type, faceid, big_buf);
 
-    struct timeval now;
+    timex_t now;
     int i = -1;
 
     do {
@@ -260,7 +260,7 @@ static void riot_ccn_fib_test(int argc, char **argv)
         riot_register_prefix(relay_pid, small_buf, faceid, big_buf);
 
         if (i % 50 == 0) {
-            rtc_time(&now);
+            vtimer_now(&now);
             printf("done: %d - %ld.%ld\n", i, now.tv_sec, now.tv_usec);
         }
     }
diff --git a/examples/ccn-lite-relay/Makefile b/examples/ccn-lite-relay/Makefile
index f9870f7624..46b9ad6a3d 100644
--- a/examples/ccn-lite-relay/Makefile
+++ b/examples/ccn-lite-relay/Makefile
@@ -27,14 +27,12 @@ RIOTBASE ?= $(CURDIR)/../..
 # Change this to 0 show compiler invocation lines by default:
 QUIET ?= 1
 
-BOARD_INSUFFICIENT_RAM := chronos msb-430h telosb wsn430-v1_3b wsn430-v1_4
-BOARD_BLACKLIST := arduino-due mbed_lpc1768 msb-430 pttu redbee-econotag udoo z1 qemu-i386 \
+BOARD_INSUFFICIENT_RAM := chronos msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1 redbee-econotag
+BOARD_BLACKLIST := arduino-due mbed_lpc1768 msb-430 pttu udoo qemu-i386 \
                    stm32f0discovery stm32f4discovery
 # mbed_lpc1768:     see https://github.com/RIOT-OS/RIOT/issues/675
 # msb-430:          see https://github.com/RIOT-OS/RIOT/issues/658
 # pttu:             see https://github.com/RIOT-OS/RIOT/issues/659
-# redbee-econotag:  see https://github.com/RIOT-OS/RIOT/issues/676
-# z1:               lacks RTC features
 # qemu-i386:        no transceiver, yet
 # stm32f0discovery: no transceiver, yet
 # stm32f4discovery: no transceiver, yet
diff --git a/sys/net/ccn_lite/ccn-lite-relay.c b/sys/net/ccn_lite/ccn-lite-relay.c
index a8c4a89c7b..1fea87f4c7 100644
--- a/sys/net/ccn_lite/ccn-lite-relay.c
+++ b/sys/net/ccn_lite/ccn-lite-relay.c
@@ -41,7 +41,7 @@
 #include "msg.h"
 #include "thread.h"
 #include "transceiver.h"
-#include "hwtimer.h"
+#include "vtimer.h"
 
 #include "ccnl-riot-compat.h"
 #include "ccn_lite/test_data/text.txt.ccnb.h"
@@ -425,7 +425,7 @@ void ccnl_riot_relay_helper_start(void)
 {
     unsigned long us = CCNL_CHECK_RETRANSMIT_USEC;
     while (!theRelay.halt_flag) {
-        hwtimer_wait(HWTIMER_TICKS(us));
+        vtimer_usleep(us);
 
         mutex_lock(&theRelay.global_lock);
         ccnl_run_events();
diff --git a/sys/net/ccn_lite/ccnl-platform.c b/sys/net/ccn_lite/ccnl-platform.c
index 2622223166..12fb613e04 100644
--- a/sys/net/ccn_lite/ccnl-platform.c
+++ b/sys/net/ccn_lite/ccnl-platform.c
@@ -30,7 +30,7 @@
 #include "ccnl-core.h"
 #include "ccnl-platform.h"
 
-#include "rtc.h"
+#include "vtimer.h"
 
 long
 timevaldelta(struct timeval *a, struct timeval *b)
@@ -45,8 +45,12 @@ struct ccnl_timer_s *eventqueue;
 void
 ccnl_get_timeval(struct timeval *tv)
 {
-    //gettimeofday(tv, NULL);
-    rtc_time(tv);
+    timex_t now;
+
+    vtimer_now(&now);
+
+    tv->tv_sec = now.seconds;
+    tv->tv_usec = now.microseconds;
 }
 
 void *