diff --git a/PKHeX.Core/Editing/Saves/Slots/SlotChangelog.cs b/PKHeX.Core/Editing/Saves/Slots/SlotChangelog.cs
index 5cdd45348..186d04efc 100644
--- a/PKHeX.Core/Editing/Saves/Slots/SlotChangelog.cs
+++ b/PKHeX.Core/Editing/Saves/Slots/SlotChangelog.cs
@@ -55,7 +55,7 @@ private static SlotReversion GetReversion(ISlotInfo info, SaveFile sav)
         {
             return info switch
             {
-                SlotInfoParty p => (SlotReversion) new PartyReversion(p, sav),
+                SlotInfoParty p => new PartyReversion(p, sav),
                 _ => new SingleSlotReversion(info, sav)
             };
         }
diff --git a/PKHeX.Core/Legality/Analysis.cs b/PKHeX.Core/Legality/Analysis.cs
index cc708c8a8..1be9c5ef5 100644
--- a/PKHeX.Core/Legality/Analysis.cs
+++ b/PKHeX.Core/Legality/Analysis.cs
@@ -170,7 +170,7 @@ private Action GetParseMethod()
                 2 => ParsePK7,
                 7 => ParsePK7,
 
-                8 => (Action)ParsePK8,
+                8 => ParsePK8,
 
                 _ => throw new Exception()
             };
diff --git a/PKHeX.Core/Legality/Core.cs b/PKHeX.Core/Legality/Core.cs
index fe5fab3c9..d31fa85b7 100644
--- a/PKHeX.Core/Legality/Core.cs
+++ b/PKHeX.Core/Legality/Core.cs
@@ -373,7 +373,7 @@ internal static ICollection<int> GetWildBalls(PKM pkm)
                 6 => WildPokeballs6,
                 7 => (pkm.GG ? WildPokeballs7b : WildPokeballs7),
                 8 => WildPokeballs8,
-                _ => (ICollection<int>)Array.Empty<int>()
+                _ => Array.Empty<int>()
             };
         }
 
@@ -431,7 +431,7 @@ internal static ICollection<int> GetFutureGenEvolutions(int generation)
                 3 => FutureEvolutionsGen3,
                 4 => FutureEvolutionsGen4,
                 5 => FutureEvolutionsGen5,
-                _ => (ICollection<int>)Array.Empty<int>()
+                _ => Array.Empty<int>()
             };
         }
 
diff --git a/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs b/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
index 3e5326b1e..b42b2764e 100644
--- a/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
+++ b/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
@@ -150,7 +150,7 @@ private static IEnumerable<IEncounterable> GetPossibleOfType(PKM pk, IReadOnlyCo
         {
             return type switch
             {
-                EncounterOrder.Egg => (IEnumerable<IEncounterable>)GetEggs(pk, needs, version),
+                EncounterOrder.Egg => GetEggs(pk, needs, version),
                 EncounterOrder.Mystery => GetGifts(pk, needs),
                 EncounterOrder.Static => GetStatic(pk, needs),
                 EncounterOrder.Trade => GetTrades(pk, needs),
diff --git a/PKHeX.Core/Legality/Moves/MoveLevelUp.cs b/PKHeX.Core/Legality/Moves/MoveLevelUp.cs
index 99414c594..913cdcb90 100644
--- a/PKHeX.Core/Legality/Moves/MoveLevelUp.cs
+++ b/PKHeX.Core/Legality/Moves/MoveLevelUp.cs
@@ -275,7 +275,7 @@ public static IEnumerable<int> GetMovesLevelUp(PKM pkm, int species, int minlvlG
                 6 => GetMovesLevelUp6(species, form, lvl, version),
                 7 => GetMovesLevelUp7(species, form, lvl, MoveReminder, version),
                 8 => GetMovesLevelUp8(species, form, lvl, version),
-                _ => (IEnumerable<int>)Array.Empty<int>()
+                _ => Array.Empty<int>()
             };
         }
 
diff --git a/PKHeX.Core/PKM/Searching/SearchUtil.cs b/PKHeX.Core/PKM/Searching/SearchUtil.cs
index 8015b06a4..2a9bd6b33 100644
--- a/PKHeX.Core/PKM/Searching/SearchUtil.cs
+++ b/PKHeX.Core/PKM/Searching/SearchUtil.cs
@@ -108,7 +108,7 @@ public static IEnumerable<PKM> FilterByBatchInstruction(IEnumerable<PKM> res, IL
             return Clones switch
             {
                 CloneDetectionMethod.HashPID => HashByPID,
-                _ => (Func<PKM, string>)HashByDetails,
+                _ => HashByDetails,
             };
         }
 
diff --git a/PKHeX.Core/PKM/Util/PKMConverter.cs b/PKHeX.Core/PKM/Util/PKMConverter.cs
index 780fbe703..0cb223d54 100644
--- a/PKHeX.Core/PKM/Util/PKMConverter.cs
+++ b/PKHeX.Core/PKM/Util/PKMConverter.cs
@@ -121,7 +121,7 @@ public static int GetPKMDataFormat(byte[] data)
                     {
                         PokeCrypto.SIZE_3CSTORED => new CK3(data),
                         PokeCrypto.SIZE_3XSTORED => new XK3(data),
-                        _ => (PKM)new PK3(data)
+                        _ => new PK3(data)
                     };
                 case 4:
                     var pk = new PK4(data);
diff --git a/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs b/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs
index b6dc16b53..de9efad24 100644
--- a/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs	
+++ b/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs	
@@ -604,7 +604,7 @@ private static Form GetTrainerEditor(SaveFile sav)
                 SAV7 s7 => new SAV_Trainer7(s7),
                 SAV7b b7 => new SAV_Trainer7GG(b7),
                 SAV8SWSH swsh => new SAV_Trainer8(swsh),
-                _ => (Form) new SAV_SimpleTrainer(sav)
+                _ => new SAV_SimpleTrainer(sav)
             };
         }
 
diff --git a/Tests/PKHeX.Core.Tests/Legality/LegalityTests.cs b/Tests/PKHeX.Core.Tests/Legality/LegalityTests.cs
index d37b05fc7..fca90fbbf 100644
--- a/Tests/PKHeX.Core.Tests/Legality/LegalityTests.cs
+++ b/Tests/PKHeX.Core.Tests/Legality/LegalityTests.cs
@@ -75,6 +75,7 @@ private static void VerifyAll(string folder, string name, bool isValid)
                     legality.Valid.Should().BeTrue($"because the file '{fi.Directory.Name}\\{fi.Name}' should be invalid, but found:{Environment.NewLine}{msg}");
                 }
             }
+            ctr.Should().BeGreaterThan(0);
         }
     }
 }