diff --git a/src/BizHawk.Client.Common/Api/Classes/EmulationApi.cs b/src/BizHawk.Client.Common/Api/Classes/EmulationApi.cs
index 0483759ac7..7ae6b0e335 100644
--- a/src/BizHawk.Client.Common/Api/Classes/EmulationApi.cs
+++ b/src/BizHawk.Client.Common/Api/Classes/EmulationApi.cs
@@ -56,12 +56,8 @@ namespace BizHawk.Client.Common
 			}
 		}
 
-		public Action FrameAdvanceCallback { get; set; }
-
 		public bool ForbiddenConfigReferenceUsed { get; private set; }
 
-		public Action YieldCallback { get; set; }
-
 		public EmulationApi(Action<string> logCallback, Config config, IGameInfo game)
 		{
 			_config = config;
@@ -71,8 +67,6 @@ namespace BizHawk.Client.Common
 
 		public void DisplayVsync(bool enabled) => _config.VSync = enabled;
 
-		public void FrameAdvance() => FrameAdvanceCallback();
-
 		public int FrameCount() => Emulator.Frame;
 
 		public object Disassemble(uint pc, string name = "")
@@ -184,8 +178,6 @@ namespace BizHawk.Client.Common
 
 		public void MinimizeFrameskip(bool enabled) => _config.AutoMinimizeSkipping = enabled;
 
-		public void Yield() => YieldCallback();
-
 		public string GetDisplayType() => (RegionableCore?.Region)?.ToString() ?? "";
 
 		public string GetBoardName() => BoardInfo?.BoardName ?? "";
diff --git a/src/BizHawk.Client.Common/Api/Interfaces/IEmulationApi.cs b/src/BizHawk.Client.Common/Api/Interfaces/IEmulationApi.cs
index 437e35eead..f2eb833f49 100644
--- a/src/BizHawk.Client.Common/Api/Interfaces/IEmulationApi.cs
+++ b/src/BizHawk.Client.Common/Api/Interfaces/IEmulationApi.cs
@@ -1,15 +1,12 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
+
 using BizHawk.Emulation.Common;
 
 namespace BizHawk.Client.Common
 {
 	public interface IEmulationApi : IExternalApi
 	{
-		Action FrameAdvanceCallback { get; set; }
-		Action YieldCallback { get; set; }
 		void DisplayVsync(bool enabled);
-		void FrameAdvance();
 		int FrameCount();
 		object Disassemble(uint pc, string name = "");
 		ulong? GetRegister(string name);
@@ -23,7 +20,6 @@ namespace BizHawk.Client.Common
 		void SetLagCount(int count);
 		void LimitFramerate(bool enabled);
 		void MinimizeFrameskip(bool enabled);
-		void Yield();
 		string GetDisplayType();
 		string GetBoardName();
 		object GetSettings();