diff --git a/proxmox/terraform/modules/node/variables.tf b/proxmox/terraform/modules/node/variables.tf
--- a/proxmox/terraform/modules/node/variables.tf
+++ b/proxmox/terraform/modules/node/variables.tf
@@ -59,7 +59,7 @@
 variable "vmid" {
   description = "virtual machine id"
   type        = number
-  default     = 0
+  default     = null
 }
 
 variable "balloon" {
diff --git a/proxmox/terraform/production/production.tf b/proxmox/terraform/production/production.tf
--- a/proxmox/terraform/production/production.tf
+++ b/proxmox/terraform/production/production.tf
@@ -20,7 +20,6 @@
   hostname    = "kelvingrove"
   description = "Keycloak server"
   hypervisor  = "hypervisor3"
-  vmid        = 123
   cores       = "4"
   memory      = "8192"
   cpu         = "host"
@@ -42,7 +41,6 @@
   hostname    = "webapp1"
   description = "Webapp for swh-search tests"
   hypervisor  = "branly"
-  vmid        = 125
   cores       = "2"
   memory      = "8192"
   balloon     = 2048
@@ -62,7 +60,6 @@
   hostname    = "search1"
   description = "swh-search node"
   hypervisor  = "branly"
-  vmid        = 136
   cores       = "4"
   memory      = "6144"
   balloon     = 1024
@@ -82,7 +79,6 @@
   hostname    = "counters1"
   description = "swh-counters node"
   hypervisor  = "branly"
-  vmid        = 139
   cores       = "4"
   memory      = "2048"
   balloon     = 1024
@@ -103,7 +99,6 @@
   domainname  = "softwareheritage.org"
   description = "swh-worker node (temporary)"
   hypervisor  = "uffizi"
-  vmid        = 143
   cores       = "10"
   sockets     = "2"
   memory      = "65536"
@@ -125,7 +120,6 @@
   domainname  = "softwareheritage.org"
   description = "swh-worker node (temporary)"
   hypervisor  = "uffizi"
-  vmid        = 141
   cores       = "5"
   sockets     = "2"
   memory      = "49152"