diff --git a/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileConfigPhase.cs b/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileConfigPhase.cs
index 99abbf01..2ed261fb 100644
--- a/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileConfigPhase.cs
+++ b/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileConfigPhase.cs
@@ -23,8 +23,6 @@ public class QualityProfileConfigPhase
 
     public IReadOnlyCollection<ProcessedQualityProfileData> Execute(IServiceConfiguration config)
     {
-        // todo: error & throw when there are duplicate profiles in config
-
         ProcessLegacyResetUnmatchedScores(config);
 
         // 1. For each group of CFs that has a quality profile specified
diff --git a/src/Recyclarr.TrashLib/Cache/CacheException.cs b/src/Recyclarr.TrashLib/Cache/CacheException.cs
index 806095a4..4381aa32 100644
--- a/src/Recyclarr.TrashLib/Cache/CacheException.cs
+++ b/src/Recyclarr.TrashLib/Cache/CacheException.cs
@@ -1,9 +1,17 @@
+using System.Runtime.Serialization;
+
 namespace Recyclarr.TrashLib.Cache;
 
+[Serializable]
 public class CacheException : Exception
 {
     public CacheException(string? message)
         : base(message)
     {
     }
+
+    protected CacheException(SerializationInfo info, StreamingContext context)
+        : base(info, context)
+    {
+    }
 }