diff -r -u ntopng-dev/include/ntop_includes.h ntopng-dev.new/include/ntop_includes.h
--- ntopng-dev/include/ntop_includes.h	2017-04-24 14:19:03.000000000 +0000
+++ ntopng-dev.new/include/ntop_includes.h	2017-04-25 10:48:47.000000000 +0000
@@ -106,7 +106,6 @@
 #include "lualib.h"
 #ifdef HAVE_PF_RING
 #include "pfring.h"
-#include "pfring_zc.h"
 #endif
 #ifdef HAVE_NETFILTER
 #include <linux/types.h>
@@ -234,7 +233,6 @@
 #endif
 #include "ParserInterface.h"
 #include "CollectorInterface.h"
-#include "ZCCollectorInterface.h"
 #include "DummyInterface.h"
 #include "ExportInterface.h"
 #include "Geolocation.h"
diff -r -u ntopng-dev/src/ZCCollectorInterface.cpp ntopng-dev.new/src/ZCCollectorInterface.cpp
--- ntopng-dev/src/ZCCollectorInterface.cpp	2017-04-24 14:19:03.000000000 +0000
+++ ntopng-dev.new/src/ZCCollectorInterface.cpp	2017-04-25 10:45:24.000000000 +0000
@@ -1,176 +0,0 @@
-/*
- *
- * (C) 2016-17 - ntop.org
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
-#include "ntop_includes.h"
-
-#if defined(HAVE_PF_RING) && (!defined(__mips)) && (!defined(__arm__)) && (!defined(__i686__))
-
-/* **************************************************** */
-
-ZCCollectorInterface::ZCCollectorInterface(const char *name) : ParserInterface(name) {
-  char ifname[32];
-  char *at;
-
-  cluster_id = queue_id = 0;
-
-  snprintf(ifname, sizeof(ifname), "%s", &name[7]);
-
-  at = strchr(ifname, '@');
-
-  if(at != NULL) {
-    queue_id = atoi(&at[1]);
-    at[0] = '\0';
-  }
-
-  cluster_id = atoi(ifname);
-
-  zq = pfring_zc_ipc_attach_queue(cluster_id, queue_id, rx_only);
-
-  if(zq == NULL)
-    throw("pfring_zc_ipc_attach_queue error");
-
-  zp = pfring_zc_ipc_attach_buffer_pool(cluster_id, queue_id);
-
-  if(zp == NULL)
-    throw("pfring_zc_ipc_attach_buffer_pool error");
-
-  buffer = pfring_zc_get_packet_handle_from_pool(zp);
-
-  if(buffer == NULL)
-    throw("pfring_zc_get_packet_handle_from_pool error");
-
-  memset(&last_pfring_zc_stat, 0, sizeof(last_pfring_zc_stat));
-}
-
-/* **************************************************** */
-
-ZCCollectorInterface::~ZCCollectorInterface() {
-  pfring_zc_sync_queue(zq, rx_only);
-  pfring_zc_release_packet_handle_to_pool(zp, buffer);
-  pfring_zc_ipc_detach_queue(zq);
-  pfring_zc_ipc_detach_buffer_pool(zp);
-}
-
-/* **************************************************** */
-
-void ZCCollectorInterface::collect_flows() {
-  int rc;
-
-  ntop->getTrace()->traceEvent(TRACE_NORMAL, "Collecting flows from ZC queue %u@%u", cluster_id, queue_id);
-
-  while(isRunning()) {
-    while(idle()) {
-      purgeIdle(time(NULL));
-      sleep(1);
-      if(ntop->getGlobals()->isShutdown()) return;
-    }
-
-    rc = pfring_zc_recv_pkt(zq, &buffer, 0 /* wait_for_packet */);
-
-    if(rc > 0) {
-      u_char *json = pfring_zc_pkt_buff_data(buffer, zq);
-      const char *master = "{ \"if.name\"";
-      
-      ntop->getTrace()->traceEvent(TRACE_INFO, "%s", json);
-      // fprintf(stdout, "+"); fflush(stdout);
-
-      if(strncmp((char*)json, master, strlen(master)) == 0) {
-	parseEvent((char*)json, buffer->len, 0, (void*)this);
-      } else
-	parseFlow((char*)json, buffer->len, 0, (void*)this);
-      // fprintf(stdout, "."); fflush(stdout);
-    } else if(rc == 0) {
-      usleep(1);
-      purgeIdle(time(NULL));
-      // fprintf(stdout, "*"); fflush(stdout);
-    } else {
-      /* rc < 0 */
-      break;
-    }
-  }
-
-  ntop->getTrace()->traceEvent(TRACE_NORMAL, "ZC Flow collection is over.");
-
-  pfring_zc_sync_queue(zq, rx_only);
-}
-
-/* **************************************************** */
-
-static void *packetPollLoop(void *ptr) {
-  ZCCollectorInterface *iface = (ZCCollectorInterface *) ptr;
-
-  /* Wait until the initialization completes */
-  while(!iface->isRunning()) sleep(1);
-
-  iface->collect_flows();
-  return(NULL);
-}
-
-/* **************************************************** */
-
-void ZCCollectorInterface::startPacketPolling() {
-  pthread_create(&pollLoop, NULL, packetPollLoop, (void *) this);
-  pollLoopCreated = true;
-  NetworkInterface::startPacketPolling();
-}
-
-/* **************************************************** */
-
-void ZCCollectorInterface::shutdown() {
-  if(running) {
-    void *res;
-
-    NetworkInterface::shutdown();
-    pfring_zc_queue_breakloop(zq);
-    pthread_join(pollLoop, &res);
-  }
-}
-
-/* **************************************************** */
-
-bool ZCCollectorInterface::set_packet_filter(char *filter) {
-  ntop->getTrace()->traceEvent(TRACE_ERROR,
-			       "No filter can be set on a collector interface. Ignored %s", filter);
-  return(false);
-}
-
-/* **************************************************** */
-
-u_int32_t ZCCollectorInterface::getNumDroppedPackets() {
-  pfring_zc_stat stats;
-
-  if(pfring_zc_stats(zq, &stats) >= 0) {
-#if 0
-    ntop->getTrace()->traceEvent(TRACE_NORMAL, "[%s][Sent: %llu]"
-				 "[Rcvd: %llu][Drops: %llu][QueueLen: %d]",
-				 ifname, stats.sent, stats.recv, stats.drop,
-				 stats.sent-stats.recv);
-#endif
-    return(stats.drop);
-  }
-
-  return 0;
-}
-
-/* **************************************************** */
-
-#endif
-
diff -r -u ntopng-dev/src/main.cpp ntopng-dev.new/src/main.cpp
--- ntopng-dev/src/main.cpp	2017-04-24 14:19:03.000000000 +0000
+++ ntopng-dev.new/src/main.cpp	2017-04-25 10:45:24.000000000 +0000
@@ -161,10 +161,6 @@
 	  endpoint = ifName;
 
 	iface = new CollectorInterface(endpoint);
-#if defined(HAVE_PF_RING) && (!defined(__mips)) && (!defined(__arm__)) && (!defined(__i686__))
-      } else if(strstr(ifName, "zcflow:")) {
-	iface = new ZCCollectorInterface(ifName);
-#endif
       } else {
 	iface = NULL;
 
diff -r -u ntopng-dev/third-party/json-c/config.h.in ntopng-dev.new/third-party/json-c/config.h.in
--- ntopng-dev/third-party/json-c/config.h.in	2017-04-24 14:19:03.000000000 +0000
+++ ntopng-dev.new/third-party/json-c/config.h.in	2017-04-25 10:46:33.000000000 +0000
@@ -104,8 +104,7 @@
 /* Public define for json_inttypes.h */
 #undef JSON_C_HAVE_INTTYPES_H
 
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
 #undef LT_OBJDIR
 
 /* Name of package */
