diff --git a/examples/complete/main.tf b/examples/complete/main.tf
index 800d2928..3620cf63 100644
--- a/examples/complete/main.tf
+++ b/examples/complete/main.tf
@@ -123,7 +123,6 @@ module "postgresql_db" {
     tcp_keepalives_interval    = 50
     tcp_keepalives_count       = 6
     archive_timeout            = 1000
-    wal_level                  = "replica"
     max_replication_slots      = 10
     max_wal_senders            = 20
   }
diff --git a/solutions/standard/DA-types.md b/solutions/standard/DA-types.md
index 12c24c04..0ee307e5 100644
--- a/solutions/standard/DA-types.md
+++ b/solutions/standard/DA-types.md
@@ -185,7 +185,6 @@ The following example shows values for the `configuration` input.
     "tcp_keepalives_interval": 15,
     "tcp_keepalives_count": 6,
     "archive_timeout": 1800,
-    "wal_level": "replica",
     "max_replication_slots": 10,
     "max_wal_senders": 12
 }
diff --git a/solutions/standard/variables.tf b/solutions/standard/variables.tf
index 35e9aa21..af4d7c9e 100644
--- a/solutions/standard/variables.tf
+++ b/solutions/standard/variables.tf
@@ -159,7 +159,6 @@ variable "configuration" {
     tcp_keepalives_interval    = 15
     tcp_keepalives_count       = 6
     archive_timeout            = 1800
-    wal_level                  = "replica"
     max_replication_slots      = 10
     max_wal_senders            = 12
   }
diff --git a/variables.tf b/variables.tf
index 1f74cc5e..ed057621 100644
--- a/variables.tf
+++ b/variables.tf
@@ -202,10 +202,11 @@ variable "configuration" {
     error_message = "Value for `configuration[\"archive_timeout\"]` must be 300 or more, if specified."
   }
 
-  validation {
-    condition     = var.configuration != null ? (var.configuration["wal_level"] != null ? contains(["replica", "logical"], var.configuration["wal_level"]) : true) : true
-    error_message = "Value for `configuration[\"wal_level\"]` must be either `replica` or `logical`, if specified."
-  }
+  # skip validation for issue #508 and #512
+  #validation {
+  #  condition     = var.configuration != null ? (var.configuration["wal_level"] != null ? contains(["replica", "logical"], var.configuration["wal_level"]) : true) : true
+  #  error_message = "Value for `configuration[\"wal_level\"]` must be either `replica` or `logical`, if specified."
+  #}
 
   validation {
     condition     = var.configuration != null ? (var.configuration["max_replication_slots"] != null ? var.configuration["max_replication_slots"] >= 10 : true) : true