diff --git a/main.tf b/main.tf
index fc28468..4a21585 100644
--- a/main.tf
+++ b/main.tf
@@ -58,11 +58,6 @@ resource "aws_instance" "default" {
     cpu_credits = var.cpu_credits
   }
 
-  network_interface {
-    network_interface_id = var.network_interface_id
-    device_index         = 0
-  }
-
   tags = merge(
     module.labels.tags,
     {
diff --git a/variables.tf b/variables.tf
index 095d341..79223df 100644
--- a/variables.tf
+++ b/variables.tf
@@ -329,9 +329,3 @@ variable "encrypted" {
   default     = true
   description = "If true, the disk will be encrypted."
 }
-
-variable "network_interface_id" {
-  type = string
-  default = null
-  description = "ID of the network interface to attach"
-}
\ No newline at end of file