diff --git a/variables.tf b/variables.tf
index 9b53e30..cd592df 100644
--- a/variables.tf
+++ b/variables.tf
@@ -397,8 +397,8 @@ variable "hms_ro_k8s_max_replica_count" {
 variable "hms_ro_k8s_rolling_update_strategy" {
   description = "Rolling update strategy settings for HMS RO including max_surge and max_unavailable"
   type = object({
-    max_surge       = optional(string)
-    max_unavailable = optional(string)
+    max_surge       = string
+    max_unavailable = string
   })
   default = {
     max_surge       = "25%"
@@ -409,8 +409,8 @@ variable "hms_ro_k8s_rolling_update_strategy" {
 variable "hms_rw_k8s_rolling_update_strategy" {
   description = "Rolling update strategy settings for HMS RW including max_surge and max_unavailable"
   type = object({
-    max_surge       = optional(string)
-    max_unavailable = optional(string)
+    max_surge       = string
+    max_unavailable = string
   })
   default = {
     max_surge       = "25%"
@@ -422,8 +422,8 @@ variable "hms_ro_k8s_pdb_settings" {
   description = "PDB settings for HMS RO including enable flag, maxUnavailable, and minAvailable."
   type = object({
     enabled         = bool
-    max_unavailable = optional(string)
-    min_available   = optional(string)
+    max_unavailable = string
+    min_available   = string
   })
   default = {
     enabled = false
@@ -434,8 +434,8 @@ variable "hms_rw_k8s_pdb_settings" {
   description = "PDB settings for HMS RW including enable flag, maxUnavailable, and minAvailable."
   type = object({
     enabled         = bool
-    max_unavailable = optional(string)
-    min_available   = optional(string)
+    max_unavailable = string
+    min_available   = string
   })
   default = {
     enabled = false
diff --git a/version.tf b/version.tf
index 599c057..3479ffc 100644
--- a/version.tf
+++ b/version.tf
@@ -5,7 +5,7 @@
  */
 
 terraform {
-  experiments = [module_variable_optional_attrs]
+  #experiments = [module_variable_optional_attrs]
   required_version = ">= 0.15.0, < 1.0.0"
   required_providers {
     kubernetes = {