diff --git a/BizHawk.Emulation.Cores/Computers/Commodore64/Cartridge/Mapper0020.cs b/BizHawk.Emulation.Cores/Computers/Commodore64/Cartridge/Mapper0020.cs
index 32e30b0a73..d720ad162d 100644
--- a/BizHawk.Emulation.Cores/Computers/Commodore64/Cartridge/Mapper0020.cs
+++ b/BizHawk.Emulation.Cores/Computers/Commodore64/Cartridge/Mapper0020.cs
@@ -309,7 +309,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Cartridge
 
 		public override void SyncState(Serializer ser)
 		{
-			// feos: drop these 4MB of useful data from savestates until we learn why it's critical to store it
+			// feos: drop 4MB of ROM data from savestates
 			//SaveState.SyncDelta("MediaStateA", ser, _originalMediaA, ref _banksA);
 			//SaveState.SyncDelta("MediaStateB", ser, _originalMediaB, ref _banksB);
 			base.SyncState(ser);
diff --git a/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs b/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
index 9a73ca8868..d6556af21e 100644
--- a/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
+++ b/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.cs
@@ -100,7 +100,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Serial
 			ser.Sync("SystemCpuClockNumerator", ref _cpuClockNum);
 			ser.Sync("SystemDriveCpuRatioDifference", ref _ratioDifference);
 			ser.Sync("DriveLightOffTime", ref _driveLightOffTime);
-			// feos: drop until we know why we save this 400KB thingy
+			// feos: drop 400KB of ROM data from savestates
 			//ser.Sync("TrackImageData", ref _trackImageData, useNull: false);
 
 			ser.Sync("DiskDensityCounter", ref _diskDensityCounter);