diff --git a/source/Octopus.Tentacle.Contracts/Octopus.Tentacle.Contracts.csproj b/source/Octopus.Tentacle.Contracts/Octopus.Tentacle.Contracts.csproj
index 9d6af0e95..4f82130b1 100644
--- a/source/Octopus.Tentacle.Contracts/Octopus.Tentacle.Contracts.csproj
+++ b/source/Octopus.Tentacle.Contracts/Octopus.Tentacle.Contracts.csproj
@@ -28,7 +28,7 @@
     </Otherwise>
   </Choose>
   <ItemGroup>
-    <PackageReference Include="Halibut" Version="8.1.1943" />
+    <PackageReference Include="Halibut" Version="8.1.2049-pull-706" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Solution Items\SolutionInfo.cs">
diff --git a/source/Octopus.Tentacle/Communications/TentacleCommunicationsModule.cs b/source/Octopus.Tentacle/Communications/TentacleCommunicationsModule.cs
index 89bdc3344..169726043 100644
--- a/source/Octopus.Tentacle/Communications/TentacleCommunicationsModule.cs
+++ b/source/Octopus.Tentacle/Communications/TentacleCommunicationsModule.cs
@@ -29,16 +29,11 @@ protected override void Load(ContainerBuilder builder)
 
                 var halibutTimeoutsAndLimits = TentacleHalibutTimeoutAndLimitsFactory.CreateHalibutTimeoutsAndLimits();
 
-                ISslConfigurationProvider sslConfigurationProvider = EnvironmentOverrides.UseLegacyExplicitSslConfiguration
-                    ? new LegacySslConfigurationProvider()
-                    : new DefaultSslConfigurationProvider();
-
                 var halibutRuntime = new HalibutRuntimeBuilder()
                     .WithServiceFactory(services)
                     .WithServerCertificate(configuration.TentacleCertificate!)
                     .WithMessageSerializer(serializerBuilder => serializerBuilder.WithLegacyContractSupport())
                     .WithHalibutTimeoutsAndLimits(halibutTimeoutsAndLimits)
-                    .WithSslConfigurationProvider(sslConfigurationProvider)
                     .Build();
 
                 halibutRuntime.SetFriendlyHtmlPageContent(FriendlyHtmlPageContent);
diff --git a/source/Octopus.Tentacle/EnvironmentOverrides.cs b/source/Octopus.Tentacle/EnvironmentOverrides.cs
deleted file mode 100644
index 3ca1f4ab1..000000000
--- a/source/Octopus.Tentacle/EnvironmentOverrides.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System;
-
-namespace Octopus.Tentacle
-{
-    public static class EnvironmentOverrides
-    {
-        /// <summary>
-        /// By default, (i.e. with no environment variable set) we will use the system default SSL
-        /// configuration. For users that need to revert to the legacy explicit SSL configuration,
-        /// they can set the OCTOPUS_TENTACLE_USE_LEGACY_TLS environment variable to "TRUE".
-        /// </summary>
-        public static bool UseLegacyExplicitSslConfiguration =>
-            bool.TrueString.Equals(
-                Environment.GetEnvironmentVariable("OCTOPUS_TENTACLE_USE_LEGACY_TLS"),
-                StringComparison.OrdinalIgnoreCase
-            );
-    }
-}
\ No newline at end of file
diff --git a/source/Octopus.Tentacle/Program.cs b/source/Octopus.Tentacle/Program.cs
index cd2371795..e31e5acb6 100644
--- a/source/Octopus.Tentacle/Program.cs
+++ b/source/Octopus.Tentacle/Program.cs
@@ -27,13 +27,6 @@ public Program(string[] commandLineArguments) : base("Octopus Deploy: Tentacle",
             OctopusTentacle.EnvironmentInformation,
             commandLineArguments)
         {
-            if (EnvironmentOverrides.UseLegacyExplicitSslConfiguration)
-            {
-                ServicePointManager.SecurityProtocol =
-                    SecurityProtocolType.Tls
-                    | SecurityProtocolType.Tls11
-                    | SecurityProtocolType.Tls12;
-            }
         }
 
         protected override ApplicationName ApplicationName => ApplicationName.Tentacle;