diff --git a/PKHeX.Core/Legality/Areas/EncounterArea.cs b/PKHeX.Core/Legality/Areas/EncounterArea.cs
index bd4d07fd0..897b760ff 100644
--- a/PKHeX.Core/Legality/Areas/EncounterArea.cs
+++ b/PKHeX.Core/Legality/Areas/EncounterArea.cs
@@ -242,7 +242,7 @@ private static IEnumerable<EncounterArea> GetAreas2_H(byte[] data, ref int ofs)
                 head.Add(new EncounterArea
                 {
                     Location = (data[ofs++] << 8) | data[ofs++],
-                    Slots = null, // later
+                    //Slots = null, // later
                 });
                 headID.Add(data[ofs++]);
             }
@@ -255,7 +255,7 @@ private static IEnumerable<EncounterArea> GetAreas2_H(byte[] data, ref int ofs)
                 rock.Add(new EncounterArea
                 {
                     Location = (data[ofs++] << 8) | data[ofs++],
-                    Slots = null, // later
+                    //Slots = null, // later
                 });
                 rockID.Add(data[ofs++]);
             }
diff --git a/PKHeX.Core/PKM/PB7.cs b/PKHeX.Core/PKM/PB7.cs
index 3a670bd3a..61a8fcf67 100644
--- a/PKHeX.Core/PKM/PB7.cs
+++ b/PKHeX.Core/PKM/PB7.cs
@@ -42,14 +42,6 @@ public PB7(byte[] decryptedData, string ident = null)
         private string GetString(int Offset, int Count) => StringConverter.GetString7(Data, Offset, Count);
         private byte[] SetString(string value, int maxLength, bool chinese = false) => StringConverter.SetString7b(value, maxLength, Language, chinese: chinese);
 
-        protected override ushort CalculateChecksum()
-        {
-            ushort chk = 0;
-            for (int i = 8; i < 0xE8; i += 2)
-                chk += BitConverter.ToUInt16(Data, i);
-            return chk;
-        }
-
         // Structure
         #region Block A
         public override uint EncryptionConstant
diff --git a/PKHeX.Core/PKM/Shared/_K6.cs b/PKHeX.Core/PKM/Shared/_K6.cs
index aa0a4fba1..39fcc46c8 100644
--- a/PKHeX.Core/PKM/Shared/_K6.cs
+++ b/PKHeX.Core/PKM/Shared/_K6.cs
@@ -24,7 +24,7 @@ public abstract class _K6 : PKM
         protected override ushort CalculateChecksum()
         {
             ushort chk = 0;
-            for (int i = 8; i < 0xE8; i += 2)
+            for (int i = 8; i < 0xE8; i += 2) // fixed value; pb7 overrides stored size
                 chk += BitConverter.ToUInt16(Data, i);
             return chk;
         }