diff --git a/src/network/networkd-lldp-tx.c b/src/network/networkd-lldp-tx.c
index 66b3216bf43..c1cbe60d73b 100644
--- a/src/network/networkd-lldp-tx.c
+++ b/src/network/networkd-lldp-tx.c
@@ -410,7 +410,7 @@ int link_lldp_emit_start(Link *link) {
 void link_lldp_emit_stop(Link *link) {
         assert(link);
 
-        link->lldp_emit_event_source = sd_event_source_unref(link->lldp_emit_event_source);
+        link->lldp_emit_event_source = sd_event_source_disable_unref(link->lldp_emit_event_source);
 }
 
 static const char * const lldp_emit_table[_LLDP_EMIT_MAX] = {
diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index 1f613b6e0bd..c94887ef8a1 100644
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -269,7 +269,7 @@ Route *route_free(Route *route) {
 
         ordered_set_free_with_destructor(route->multipath_routes, multipath_route_free);
 
-        sd_event_source_unref(route->expire);
+        sd_event_source_disable_unref(route->expire);
 
         return mfree(route);
 }
@@ -1261,7 +1261,7 @@ static int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdat
 }
 
 static int route_add_and_setup_timer_one(Link *link, const Route *route, const MultipathRoute *m, const NextHop *nh, uint8_t nh_weight, Route **ret) {
-        _cleanup_(sd_event_source_unrefp) sd_event_source *expire = NULL;
+        _cleanup_(sd_event_source_disable_unrefp) sd_event_source *expire = NULL;
         Route *nr;
         int r;
 
@@ -1299,7 +1299,7 @@ static int route_add_and_setup_timer_one(Link *link, const Route *route, const M
                         return log_link_error_errno(link, r, "Could not arm expiration timer: %m");
         }
 
-        sd_event_source_unref(nr->expire);
+        sd_event_source_disable_unref(nr->expire);
         nr->expire = TAKE_PTR(expire);
 
         *ret = nr;