diff --git a/data/subnets/sesi_rocquencourt_admin.yaml b/data/subnets/sesi_rocquencourt_admin.yaml
index dd3c6afd..5ef4aed2 100644
--- a/data/subnets/sesi_rocquencourt_admin.yaml
+++ b/data/subnets/sesi_rocquencourt_admin.yaml
@@ -1,23 +1,19 @@
 ---
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
 dns::search_domains:
   - internal.admin.swh.network
 
 dns::local_nameservers:
   - 192.168.100.29
   - 192.168.200.22
 
 dns::forwarders:
   - 193.51.196.130
   - 193.51.196.131
 dns::forwarder_insecure: true
 
-ntp::servers:
-  - sesi-ntp1.inria.fr
-  - sesi-ntp2.inria.fr
-
 internal_network: 192.168.50.0/24
 
 smtp::relay_hostname: 'smtp.inria.fr'
diff --git a/data/subnets/sesi_rocquencourt_staging.yaml b/data/subnets/sesi_rocquencourt_staging.yaml
index cc99e76f..2c9b9fc6 100644
--- a/data/subnets/sesi_rocquencourt_staging.yaml
+++ b/data/subnets/sesi_rocquencourt_staging.yaml
@@ -1,25 +1,21 @@
 ---
 dns::local_cache: false
 dns::nameservers:
   - 192.168.100.29
 dns::search_domains:
   - internal.staging.swh.network
 
 dns::local_nameservers:
   - 192.168.100.29
   - 192.168.200.22
 
 dns::forwarders:
   - 193.51.196.130
   - 193.51.196.131
 dns::forwarder_insecure: true
 
-ntp::servers:
-  - sesi-ntp1.inria.fr
-  - sesi-ntp2.inria.fr
-
 internal_network: 192.168.130.0/24
 
 smtp::relay_hostname: 'smtp.inria.fr'
 
 kafka::cluster::public_network: 192.168.130.0/24