diff --git a/src/Tgstation.Server.Api/Models/ErrorCode.cs b/src/Tgstation.Server.Api/Models/ErrorCode.cs
index 808790fa81..a99191395c 100644
--- a/src/Tgstation.Server.Api/Models/ErrorCode.cs
+++ b/src/Tgstation.Server.Api/Models/ErrorCode.cs
@@ -1,11 +1,12 @@
-using System.ComponentModel;
+using System;
+using System.ComponentModel;
 
 namespace Tgstation.Server.Api.Models
 {
 	/// <summary>
 	/// Types of <see cref="ErrorMessage"/>s that the API may return.
 	/// </summary>
-	/// <remarks>Entries marked with the <see cref="System.ObsoleteAttribute"/> are no longer in use but kept for reference.</remarks>
+	/// <remarks>Entries marked with the <see cref="ObsoleteAttribute"/> are no longer in use but kept for reference.</remarks>
 	public enum ErrorCode : uint
 	{
 		/// <summary>
@@ -257,7 +258,8 @@ namespace Tgstation.Server.Api.Models
 		/// <summary>
 		/// <see cref="DreamDaemonSecurity.Ultrasafe"/> was used where it is not supported.
 		/// </summary>
-		[Description("This version of TGS does not support the ultrasafe DreamDaemon configuration!")]
+		[Description("Deprecated error code.")]
+		[Obsolete("With DMAPI-5.0.0, ultrasafe security is now supported.", true)]
 		InvalidSecurityLevel,
 
 		/// <summary>
diff --git a/src/Tgstation.Server.Host/Components/Deployment/DreamMaker.cs b/src/Tgstation.Server.Host/Components/Deployment/DreamMaker.cs
index 37cfe70a11..e46a0b1901 100644
--- a/src/Tgstation.Server.Host/Components/Deployment/DreamMaker.cs
+++ b/src/Tgstation.Server.Host/Components/Deployment/DreamMaker.cs
@@ -471,9 +471,6 @@ namespace Tgstation.Server.Host.Components.Deployment
 			if (progressReporter == null)
 				throw new ArgumentNullException(nameof(progressReporter));
 
-			if (dreamMakerSettings.ApiValidationSecurityLevel == DreamDaemonSecurity.Ultrasafe)
-				throw new ArgumentOutOfRangeException(nameof(dreamMakerSettings), dreamMakerSettings, "Cannot compile with ultrasafe security!");
-
 			logger.LogTrace("Begin Compile");
 
 			lock (this)
diff --git a/src/Tgstation.Server.Host/Controllers/DreamDaemonController.cs b/src/Tgstation.Server.Host/Controllers/DreamDaemonController.cs
index e7bea85742..491ba433d0 100644
--- a/src/Tgstation.Server.Host/Controllers/DreamDaemonController.cs
+++ b/src/Tgstation.Server.Host/Controllers/DreamDaemonController.cs
@@ -186,9 +186,6 @@ namespace Tgstation.Server.Host.Controllers
 			if (model.SecondaryPort == 0)
 				throw new InvalidOperationException("Secondary port cannot be 0!");
 
-			if (model.SecurityLevel == DreamDaemonSecurity.Ultrasafe)
-				return BadRequest(new ErrorMessage(ErrorCode.InvalidSecurityLevel));
-
 			// alias for changing DD settings
 			var current = await DatabaseContext.Instances.Where(x => x.Id == Instance.Id).Select(x => x.DreamDaemonSettings).FirstOrDefaultAsync(cancellationToken).ConfigureAwait(false);
 
diff --git a/src/Tgstation.Server.Host/Controllers/DreamMakerController.cs b/src/Tgstation.Server.Host/Controllers/DreamMakerController.cs
index 19c16de2f9..2c4b619b56 100644
--- a/src/Tgstation.Server.Host/Controllers/DreamMakerController.cs
+++ b/src/Tgstation.Server.Host/Controllers/DreamMakerController.cs
@@ -153,9 +153,6 @@ namespace Tgstation.Server.Host.Controllers
 			if (model.ApiValidationPort == 0)
 				throw new InvalidOperationException("ApiValidationPort cannot be 0!");
 
-			if (model.ApiValidationSecurityLevel == DreamDaemonSecurity.Ultrasafe)
-				return BadRequest(new ErrorMessage(ErrorCode.InvalidSecurityLevel));
-
 			var hostModel = await DatabaseContext.DreamMakerSettings.Where(x => x.InstanceId == Instance.Id).FirstOrDefaultAsync(cancellationToken).ConfigureAwait(false);
 			if (hostModel == null)
 				return StatusCode((int)HttpStatusCode.Gone);
diff --git a/src/Tgstation.Server.Host/Controllers/InstanceController.cs b/src/Tgstation.Server.Host/Controllers/InstanceController.cs
index 41dfc88889..aa300e6367 100644
--- a/src/Tgstation.Server.Host/Controllers/InstanceController.cs
+++ b/src/Tgstation.Server.Host/Controllers/InstanceController.cs
@@ -230,7 +230,7 @@ namespace Tgstation.Server.Host.Controllers
 					AutoStart = false,
 					PrimaryPort = 1337,
 					SecondaryPort = 1338,
-					SecurityLevel = DreamDaemonSecurity.Safe,
+					SecurityLevel = DreamDaemonSecurity.Ultrasafe,
 					SoftRestart = false,
 					SoftShutdown = false,
 					StartupTimeout = 20
@@ -238,7 +238,7 @@ namespace Tgstation.Server.Host.Controllers
 				DreamMakerSettings = new DreamMakerSettings
 				{
 					ApiValidationPort = 1339,
-					ApiValidationSecurityLevel = DreamDaemonSecurity.Safe
+					ApiValidationSecurityLevel = DreamDaemonSecurity.Ultrasafe
 				},
 				Name = model.Name,
 				Online = false,