diff --git a/PKHeX.Core/Editing/Saves/Editors/EventWork/EventWorkDiff.cs b/PKHeX.Core/Editing/Saves/Editors/EventWork/EventWorkDiff.cs
index 61833a3b0..063f9081f 100644
--- a/PKHeX.Core/Editing/Saves/Editors/EventWork/EventWorkDiff.cs
+++ b/PKHeX.Core/Editing/Saves/Editors/EventWork/EventWorkDiff.cs
@@ -80,7 +80,7 @@ protected virtual void Diff(SaveFile s1, SaveFile s2)
         }
     }
 
-    public class EventWorkDiff7b : EventBlockDiff
+    public sealed class EventWorkDiff7b : EventBlockDiff
     {
         public readonly List<int> WorkChanged = new List<int>();
         private SaveFile S1;
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStaticPID.cs b/PKHeX.Core/Legality/Encounters/EncounterStaticPID.cs
index ebe4a1fbd..5de682296 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStaticPID.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStaticPID.cs
@@ -3,9 +3,9 @@
     internal class EncounterStaticPID : EncounterStatic
     {
         public uint PID { get; set; }
-        public override Shiny Shiny { get; set; } = Shiny.FixedValue;
+        public sealed override Shiny Shiny { get; set; } = Shiny.FixedValue;
 
-        protected override void SetPINGA(PKM pk, EncounterCriteria criteria)
+        protected sealed override void SetPINGA(PKM pk, EncounterCriteria criteria)
         {
             int gender = criteria.GetGender(PKX.GetGenderFromPID(Species, PID), pk.PersonalInfo);
             int nature = (int)(PID % 25);