diff --git a/BizHawk.Client.Common/RomLoader.cs b/BizHawk.Client.Common/RomLoader.cs
index 8b79c36602..f46ebe829f 100644
--- a/BizHawk.Client.Common/RomLoader.cs
+++ b/BizHawk.Client.Common/RomLoader.cs
@@ -242,7 +242,7 @@ namespace BizHawk.Client.Common
 			return discs;
 		}
 
-		public bool LoadRom(string path, CoreComm nextComm, bool forceAccurateCore = false,
+		public bool LoadRom(string path, CoreComm nextComm, string launchLibretroCore, bool forceAccurateCore = false,
 			int recursiveCount = 0) // forceAccurateCore is currently just for Quicknes vs Neshawk but could be used for other situations
 		{
 			if (recursiveCount > 1) // hack to stop recursive calls from endlessly rerunning if we can't load it
@@ -295,9 +295,9 @@ namespace BizHawk.Client.Common
 
 					// must be done before LoadNoGame (which triggers retro_init and the paths to be consumed by the core)
 					// game name == name of core
-					string codePathPart = Path.GetFileNameWithoutExtension(nextComm.LaunchLibretroCore);
+					string codePathPart = Path.GetFileNameWithoutExtension(launchLibretroCore);
 					Global.Game = game = new GameInfo { Name = codePathPart, System = "Libretro" };
-					var retro = new LibretroCore(nextComm, game, nextComm.LaunchLibretroCore);
+					var retro = new LibretroCore(nextComm, game, launchLibretroCore);
 					nextEmulator = retro;
 
 					if (retro.Description.SupportsNoGame && string.IsNullOrEmpty(path))
@@ -1183,7 +1183,7 @@ namespace BizHawk.Client.Common
 						DoMessageCallback("Unable to use quicknes, using NESHawk instead");
 					}
 
-					return LoadRom(path, nextComm, true, recursiveCount + 1);
+					return LoadRom(path, nextComm, launchLibretroCore, true, recursiveCount + 1);
 				}
 
 				if (ex is MissingFirmwareException)
@@ -1196,7 +1196,7 @@ namespace BizHawk.Client.Common
 					// To avoid catch-22, disable SGB mode
 					Global.Config.GbAsSgb = false;
 					DoMessageCallback("Failed to load a GB rom in SGB mode.  Disabling SGB Mode.");
-					return LoadRom(path, nextComm, false, recursiveCount + 1);
+					return LoadRom(path, nextComm, launchLibretroCore, false, recursiveCount + 1);
 				}
 
 				// handle exceptions thrown by the new detected systems that BizHawk does not have cores for
diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index 86c75cf1a7..164a23489d 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -3604,8 +3604,7 @@ namespace BizHawk.Client.EmuHawk
 						ioaRetro.CorePath = Config.LibretroCore;
 					}
 
-					nextComm.LaunchLibretroCore = ioaRetro.CorePath;
-					if (nextComm.LaunchLibretroCore == null)
+					if (ioaRetro.CorePath == null)
 					{
 						throw new InvalidOperationException("Can't load a file via Libretro until a core is specified");
 					}
@@ -3619,7 +3618,7 @@ namespace BizHawk.Client.EmuHawk
 				}
 
 				CoreFileProvider.SyncCoreCommInputSignals(nextComm);
-				var result = loader.LoadRom(path, nextComm);
+				var result = loader.LoadRom(path, nextComm, ioaRetro?.CorePath);
 
 				// we need to replace the path in the OpenAdvanced with the canonical one the user chose.
 				// It can't be done until loader.LoadRom happens (for CanonicalFullPath)
diff --git a/BizHawk.Client.EmuHawk/tools/BatchRunner.cs b/BizHawk.Client.EmuHawk/tools/BatchRunner.cs
index e3a0d681c3..a91cec7048 100644
--- a/BizHawk.Client.EmuHawk/tools/BatchRunner.cs
+++ b/BizHawk.Client.EmuHawk/tools/BatchRunner.cs
@@ -133,7 +133,7 @@ namespace BizHawk.Client.EmuHawk
 			bool result;
 			try
 			{
-				result = _ldr.LoadRom(f, _comm);
+				result = _ldr.LoadRom(f, _comm, null);
 			}
 			catch (Exception e)
 			{
diff --git a/BizHawk.Emulation.Common/CoreComms.cs b/BizHawk.Emulation.Common/CoreComms.cs
index 15e3b44b0a..6f9414fb23 100644
--- a/BizHawk.Emulation.Common/CoreComms.cs
+++ b/BizHawk.Emulation.Common/CoreComms.cs
@@ -32,9 +32,6 @@ namespace BizHawk.Emulation.Common
 		public int NominalWidth { get; set; } = 640;
 		public int NominalHeight { get; set; } = 480;
 
-		// I know we want to get rid of CoreComm, but while it's still here, I'll use it for this
-		public string LaunchLibretroCore { get; set; }
-
 		/// <summary>
 		/// Gets a message to show. reasonably annoying (dialog box), shouldn't be used most of the time
 		/// </summary>