diff --git a/data/common/kafka.yaml b/data/common/kafka.yaml
--- a/data/common/kafka.yaml
+++ b/data/common/kafka.yaml
@@ -1,9 +1,5 @@
 ---
 zookeeper::clusters:
-  rocquencourt_legacy:
-    '1': zookeeper1.internal.softwareheritage.org
-    '2': zookeeper2.internal.softwareheritage.org
-    '3': zookeeper3.internal.softwareheritage.org
   rocquencourt:
     '1': kafka1.internal.softwareheritage.org
     '2': kafka2.internal.softwareheritage.org
@@ -45,22 +41,6 @@
 # kafka::broker::password in private-data
 
 kafka::clusters:
-  rocquencourt_legacy:
-    zookeeper::chroot: '/kafka/softwareheritage'
-    zookeeper::servers:
-      - zookeeper1.internal.softwareheritage.org
-      - zookeeper2.internal.softwareheritage.org
-      - zookeeper3.internal.softwareheritage.org
-    brokers:
-      esnode1.internal.softwareheritage.org:
-        id: 11
-      esnode2.internal.softwareheritage.org:
-        id: 12
-      esnode3.internal.softwareheritage.org:
-        id: 13
-    broker::heap_opts: "-Xmx6G -Xms6G"
-    tls: false
-    plaintext_port: 9092
   rocquencourt:
     zookeeper::chroot: '/kafka/softwareheritage'
     zookeeper::servers:
diff --git a/manifests/site.pp b/manifests/site.pp
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -42,10 +42,6 @@
   include role::swh_elasticsearch
 }
 
-node /^zookeeper\d+.(internal.)?softwareheritage.org$/ {
-  include role::swh_zookeeper
-}
-
 node /^kafka\d+\./ {
   include role::swh_kafka_broker
 }