diff --git a/main.tf b/main.tf
index 4afc322..2f40918 100644
--- a/main.tf
+++ b/main.tf
@@ -210,7 +210,6 @@ resource "aws_db_instance" "rds" {
   lifecycle {
     precondition {
       condition     = var.storage_type != "io2" || (var.db_iops != null ? var.db_iops >= 1000 : false)
-      # condition     = var.storage_type != "io2" || (var.db_iops != null && var.db_iops >= 1000)
       error_message = "When 'storage_type' is 'io2', 'db_iops' must be specified and at least 1000."
     }
 
@@ -223,10 +222,10 @@ resource "aws_db_instance" "rds" {
     #   error_message = "When 'storage_type' is 'io2', 'db_allocated_storage' must be at least 100 GiB unless using SQL which must be at least 20 GiB."
     # }
 
-    # precondition {
-    #   condition     = var.storage_type != "gp3" || var.db_allocated_storage >= 20
-    #   error_message = "When 'storage_type' is 'gp3', 'db_allocated_storage' must be at least 20 GiB."
-    # }
+    precondition {
+      condition     = var.storage_type != "gp3" || var.db_allocated_storage >= 20
+      error_message = "When 'storage_type' is 'gp3', 'db_allocated_storage' must be at least 20 GiB."
+    }
 
     # precondition {
     #   condition = var.storage_type != "gp3" || contains(["sqlserver-ee", "sqlserver-se", "sqlserver-ex", "sqlserver-web"], var.db_engine) || (