diff --git a/PKHeX.Core/Legality/Areas/EncounterArea8.cs b/PKHeX.Core/Legality/Areas/EncounterArea8.cs
index cc2e6e90d..cf67096cb 100644
--- a/PKHeX.Core/Legality/Areas/EncounterArea8.cs
+++ b/PKHeX.Core/Legality/Areas/EncounterArea8.cs
@@ -473,7 +473,7 @@ public enum AreaSlotType8 : byte
 
     public static class AreaSlotType8Extensions
     {
-        public static bool CanCrossover(this AreaSlotType8 type) => type is not HiddenMain or HiddenMain2 or OnlyFishing;
+        public static bool CanCrossover(this AreaSlotType8 type) => type is not (HiddenMain or HiddenMain2 or OnlyFishing);
         public static bool CanEncounterViaFishing(this AreaSlotType8 type, AreaWeather8 weather) => type is OnlyFishing || weather.HasFlag(Fishing);
         public static bool CanEncounterViaCurry(this AreaSlotType8 type) => type is HiddenMain or HiddenMain2;
     }
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic4.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic4.cs
index e793c33a4..334143324 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic4.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic4.cs
@@ -54,7 +54,7 @@ protected override bool IsMatchEggLocation(PKM pkm)
             // Unhatched:
             if (eggloc != EggLocation)
                 return false;
-            if (pk4.Met_Location is not 0 or Locations.LinkTrade4)
+            if (pk4.Met_Location is not (0 or Locations.LinkTrade4))
                 return false;
             return true;
         }
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic5.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic5.cs
index 6e9d9ac54..ae08bdcd6 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic5.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic5.cs
@@ -40,7 +40,7 @@ protected override bool IsMatchEggLocation(PKM pkm)
             // Unhatched:
             if (eggloc != EggLocation)
                 return false;
-            if (pkm.Met_Location is not 0 or Locations.LinkTrade5)
+            if (pkm.Met_Location is not (0 or Locations.LinkTrade5))
                 return false;
             return true;
         }
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic6.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic6.cs
index 7082a9052..be27ebf16 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic6.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic6.cs
@@ -42,7 +42,7 @@ protected override bool IsMatchEggLocation(PKM pkm)
             // Unhatched:
             if (eggloc != EggLocation)
                 return false;
-            if (pkm.Met_Location is not 0 or Locations.LinkTrade6)
+            if (pkm.Met_Location is not (0 or Locations.LinkTrade6))
                 return false;
             return true;
         }
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic7.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic7.cs
index d078a40b3..23aa1697b 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic7.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic7.cs
@@ -35,7 +35,7 @@ protected override bool IsMatchEggLocation(PKM pkm)
             // Unhatched:
             if (eggloc != EggLocation)
                 return false;
-            if (pkm.Met_Location is not 0 or Locations.LinkTrade6)
+            if (pkm.Met_Location is not (0 or Locations.LinkTrade6))
                 return false;
             return true;
         }
diff --git a/PKHeX.Core/Legality/Restrictions/GBRestrictions.cs b/PKHeX.Core/Legality/Restrictions/GBRestrictions.cs
index d17be4d79..b09150aab 100644
--- a/PKHeX.Core/Legality/Restrictions/GBRestrictions.cs
+++ b/PKHeX.Core/Legality/Restrictions/GBRestrictions.cs
@@ -556,6 +556,6 @@ public enum TimeCapsuleEvaluation
 
     public static class TimeCapsuleEvlautationExtensions
     {
-        public static bool WasTimeCapsuleTransferred(this TimeCapsuleEvaluation eval) => eval is not TimeCapsuleEvaluation.Indeterminate or TimeCapsuleEvaluation.NotTransferred or TimeCapsuleEvaluation.BadCatchRate;
+        public static bool WasTimeCapsuleTransferred(this TimeCapsuleEvaluation eval) => eval is not (TimeCapsuleEvaluation.Indeterminate or TimeCapsuleEvaluation.NotTransferred or TimeCapsuleEvaluation.BadCatchRate);
     }
 }
diff --git a/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs b/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
index f2654a71b..579df5694 100644
--- a/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/Ribbons/RibbonVerifier.cs
@@ -518,7 +518,7 @@ private static bool CanHaveRibbonWinning(PKM pkm, IEncounterTemplate enc, int ge
             if (enc.LevelMin <= 50)
                 return true;
 
-            return enc is not EncounterStaticShadow or WC3;
+            return enc is not (EncounterStaticShadow or WC3);
         }
 
         private static bool CanHaveRibbonVictory(PKM pkm, int gen)
diff --git a/PKHeX.Core/PKM/Searching/SearchSettings.cs b/PKHeX.Core/PKM/Searching/SearchSettings.cs
index bd05d8d73..85d591924 100644
--- a/PKHeX.Core/PKM/Searching/SearchSettings.cs
+++ b/PKHeX.Core/PKM/Searching/SearchSettings.cs
@@ -163,7 +163,7 @@ private bool SearchIntermediate(PKM pk)
         private bool SearchComplex(PKM pk)
         {
             if (SearchEgg != null && !FilterResultEgg(pk)) return false;
-            if (Level is not null or 0 && !SearchUtil.SatisfiesFilterLevel(pk, SearchLevel, (int) Level)) return false;
+            if (Level is not (null or 0) && !SearchUtil.SatisfiesFilterLevel(pk, SearchLevel, (int) Level)) return false;
             if (SearchLegal != null && new LegalityAnalysis(pk).Valid != SearchLegal) return false;
             if (BatchFilters.Length != 0 && !SearchUtil.SatisfiesFilterBatchInstruction(pk, BatchFilters)) return false;
 
diff --git a/PKHeX.Core/Saves/SAV1.cs b/PKHeX.Core/Saves/SAV1.cs
index f31f31f8e..a6591232c 100644
--- a/PKHeX.Core/Saves/SAV1.cs
+++ b/PKHeX.Core/Saves/SAV1.cs
@@ -51,7 +51,7 @@ public SAV1(byte[] data, GameVersion versionOverride = GameVersion.Any) : base(d
         private void Initialize(GameVersion versionOverride)
         {
             // see if RBY can be differentiated
-            if (Starter != 0 && versionOverride is not GameVersion.RB or GameVersion.YW)
+            if (Starter != 0 && versionOverride is not (GameVersion.RB or GameVersion.YW))
                 Version = Yellow ? GameVersion.YW : GameVersion.RB;
 
             Box = Data.Length;