diff --git a/src/config.c b/src/config.c
index d6eb9fc..c530924 100644
--- a/src/config.c
+++ b/src/config.c
@@ -229,7 +229,6 @@ int facilities_config(void* facilities_s) {
     ASN_STRUCT_FREE(asn_DEF_ManagementRequest, mreq_set);
 
     // DENM
-    facilities->den->default_event_duration = config->facilities.denm.default_event_duration;
     facilities->den->n_max_events = config->facilities.denm.nmax_active_events;
 
     // CAM
diff --git a/src/denm.c b/src/denm.c
index 0794e02..36f364b 100644
--- a/src/denm.c
+++ b/src/denm.c
@@ -101,7 +101,7 @@ static enum EVENT_CHECK_R event_check(den_t *den, DENM_t *denm, it2s_tender_epv_
     if (denm->denm.management.validityDuration != NULL) {
         e_validity_duration = *(uint32_t *) denm->denm.management.validityDuration * 1000; // validityDuration comes in seconds
     } else {
-        e_validity_duration = den->default_event_duration * 1000;
+        e_validity_duration = 600 * 1000;
     }
 
     uint64_t now = it2s_tender_get_clock(epv);
@@ -177,7 +177,7 @@ static int event_add(den_t *den, DENM_t *denm, it2s_tender_epv_t* epv, int64_t*
     if (denm->denm.management.validityDuration != NULL) {
         e_validity_duration = *(uint32_t *) denm->denm.management.validityDuration * 1000; // validityDuration comes in seconds
     } else {
-        e_validity_duration = den->default_event_duration * 1000;
+        e_validity_duration = 600 * 1000;
     }
 
     pthread_mutex_lock(&den->lock);
diff --git a/src/denm.h b/src/denm.h
index fb5a59c..69524cb 100644
--- a/src/denm.h
+++ b/src/denm.h
@@ -36,7 +36,6 @@ typedef struct den {
     uint16_t n_cancelled_events;
     uint16_t n_negated_events;
     uint16_t n_max_events;
-    uint32_t default_event_duration;
     pthread_mutex_t lock;
 } den_t;
 
diff --git a/src/requests.c b/src/requests.c
index b240c38..49d9bc5 100644
--- a/src/requests.c
+++ b/src/requests.c
@@ -201,7 +201,7 @@ int facilities_request_single_message(facilities_t* facilities, void* responder,
                 if ( ((DENM_t*)its_msg)->denm.management.validityDuration )  {
                     transmission_duration = *( (uint32_t*) ((DENM_t*)its_msg)->denm.management.validityDuration ) * 1000;
                 } else {
-                    transmission_duration = facilities->den->default_event_duration * 1000;
+                    transmission_duration = 600 * 1000;
                 }
             }
         }