diff --git a/README.md b/README.md
index 1d9edf4..d6c2ad9 100644
--- a/README.md
+++ b/README.md
@@ -305,10 +305,7 @@ Default:
 ```json
 [
   {
-    "from_port": 0,
-    "protocol": -1,
-    "self": true,
-    "to_port": 0
+    "self": true
   }
 ]
 ```
@@ -324,11 +321,7 @@ Default:
 ```json
 [
   {
-    "cidr_blocks": "0.0.0.0/0",
-    "from_port": 0,
-    "protocol": "-1",
-    "self": true,
-    "to_port": 0
+    "self": true
   }
 ]
 ```
diff --git a/variables.tf b/variables.tf
index 717157a..06d33da 100644
--- a/variables.tf
+++ b/variables.tf
@@ -179,10 +179,7 @@ variable "default_security_group_ingress" {
   description = "List of maps of ingress rules to set on the default security group"
   type        = list(map(string))
   default = [{
-    protocol  = -1
-    self      = true
-    from_port = 0
-    to_port   = 0
+    self = true
   }]
 }
 
@@ -190,10 +187,6 @@ variable "default_security_group_egress" {
   description = "List of maps of egress rules to set on the default security group"
   type        = list(map(string))
   default = [{
-    from_port   = 0
-    to_port     = 0
-    self        = true
-    protocol    = "-1"
-    cidr_blocks = "0.0.0.0/0"
+    self = true
   }]
 }