diff --git a/src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpHandlers.cs b/src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpHandlers.cs
index 5149615e..548b1e4a 100644
--- a/src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpHandlers.cs
+++ b/src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpHandlers.cs
@@ -129,7 +129,6 @@ public static partial class OpenIddictValidationSystemNetHttpHandlers
                 throw new ArgumentNullException(nameof(context));
             }
 
-            Debug.Assert(context.Transaction.Request is not null, SR.GetResourceString(SR.ID4008));
             Debug.Assert(context.Transaction.Request is not null, SR.GetResourceString(SR.ID4008));
 
             // This handler only applies to System.Net.Http requests. If the HTTP request cannot be resolved,