diff --git a/src/BizHawk.Bizware.BizwareGL/IGL.cs b/src/BizHawk.Bizware.BizwareGL/IGL.cs
index 6601eaccf0..b921dcfd16 100644
--- a/src/BizHawk.Bizware.BizwareGL/IGL.cs
+++ b/src/BizHawk.Bizware.BizwareGL/IGL.cs
@@ -19,14 +19,9 @@ namespace BizHawk.Bizware.BizwareGL
 		EDispMethod DispMethodEnum { get; }
 
 		/// <summary>
-		/// Clears the specified buffer parts
+		/// Clears the color buffer with the specified color
 		/// </summary>
-		void Clear(ClearBufferMask mask);
-
-		/// <summary>
-		/// Sets the current clear color
-		/// </summary>
-		void SetClearColor(Color color);
+		void ClearColor(Color color);
 
 		/// <summary>
 		/// compile a fragment shader. This is the simplified method. A more complex method may be added later which will accept multiple sources and preprocessor definitions independently
@@ -88,11 +83,6 @@ namespace BizHawk.Bizware.BizwareGL
 		/// </summary>
 		void SetPipelineUniform(PipelineUniform uniform, bool value);
 
-		/// <summary>
-		/// Binds array data for use with the currently-bound pipeline's VertexLayout
-		/// </summary>
-		void BindArrayData(IntPtr pData);
-
 		/// <summary>
 		/// Begins a rendering scene; use before doing any draw calls, as per normal
 		/// </summary>
@@ -103,6 +93,11 @@ namespace BizHawk.Bizware.BizwareGL
 		/// </summary>
 		void EndScene();
 
+		/// <summary>
+		/// Binds array data for use with the currently-bound pipeline's VertexLayout
+		/// </summary>
+		void BindArrayData(IntPtr pData);
+
 		/// <summary>
 		/// Draws based on the currently set pipeline, VertexLayout and ArrayData.
 		/// Count is the VERT COUNT not the primitive count
diff --git a/src/BizHawk.Bizware.BizwareGL/IGL_GdiPlus.cs b/src/BizHawk.Bizware.BizwareGL/IGL_GdiPlus.cs
index 0b9f519ac3..5b1bbe53e2 100644
--- a/src/BizHawk.Bizware.BizwareGL/IGL_GdiPlus.cs
+++ b/src/BizHawk.Bizware.BizwareGL/IGL_GdiPlus.cs
@@ -26,14 +26,8 @@ namespace BizHawk.Bizware.BizwareGL
 			MyBufferedGraphicsContext.Dispose();
 		}
 
-		public void Clear(ClearBufferMask mask)
-		{
-			var g = GetCurrentGraphics();
-			if ((mask & ClearBufferMask.ColorBufferBit) != 0)
-			{
-				g.Clear(_currentClearColor);
-			}
-		}
+		public void ClearColor(Color color)
+			=> GetCurrentGraphics().Clear(color);
 
 		public string API => "GDIPLUS";
 
@@ -43,13 +37,6 @@ namespace BizHawk.Bizware.BizwareGL
 			return null;
 		}
 
-		private Color _currentClearColor = Color.Transparent;
-
-		public void SetClearColor(Color color)
-		{
-			_currentClearColor = color;
-		}
-
 		public void BindArrayData(IntPtr pData)
 		{
 		}
diff --git a/src/BizHawk.Bizware.BizwareGL/enums/ClearBufferMask.cs b/src/BizHawk.Bizware.BizwareGL/enums/ClearBufferMask.cs
deleted file mode 100644
index 3ef984c999..0000000000
--- a/src/BizHawk.Bizware.BizwareGL/enums/ClearBufferMask.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-
-namespace BizHawk.Bizware.BizwareGL
-{
-	[Flags]
-	public enum ClearBufferMask
-	{
-		None = 0x0000,
-		DepthBufferBit = 0x0100,
-		AccumBufferBit = 0x0200,
-		StencilBufferBit = 0x0400,
-		ColorBufferBit = 0x4000,
-		CoverageBufferBitNv = 0x8000,
-	}
-}
diff --git a/src/BizHawk.Bizware.Graphics/D3D9/IGL_D3D9.cs b/src/BizHawk.Bizware.Graphics/D3D9/IGL_D3D9.cs
index 438ab9b439..d4527ed658 100644
--- a/src/BizHawk.Bizware.Graphics/D3D9/IGL_D3D9.cs
+++ b/src/BizHawk.Bizware.Graphics/D3D9/IGL_D3D9.cs
@@ -182,17 +182,8 @@ namespace BizHawk.Bizware.Graphics
 			}
 		}
 
-		public void Clear(ClearBufferMask mask)
-		{
-			var flags = ClearFlags.None;
-			if ((mask & ClearBufferMask.ColorBufferBit) != 0) flags |= ClearFlags.Target;
-			if ((mask & ClearBufferMask.DepthBufferBit) != 0) flags |= ClearFlags.ZBuffer;
-			if ((mask & ClearBufferMask.StencilBufferBit) != 0) flags |= ClearFlags.Stencil;
-			_device.Clear(flags, _clearColor, 0.0f, 0);
-		}
-
-		public void SetClearColor(Color color)
-			=> _clearColor = color.ToSharpDXColor();
+		public void ClearColor(Color color)
+			=> _device.Clear(ClearFlags.Target, color.ToSharpDXColor(), 0.0f, 0);
 
 		public IBlendState CreateBlendState(
 			BlendingFactorSrc colorSource,
diff --git a/src/BizHawk.Bizware.Graphics/OpenGL/IGL_OpenGL.cs b/src/BizHawk.Bizware.Graphics/OpenGL/IGL_OpenGL.cs
index 3126f0d43e..abe5f9339e 100644
--- a/src/BizHawk.Bizware.Graphics/OpenGL/IGL_OpenGL.cs
+++ b/src/BizHawk.Bizware.Graphics/OpenGL/IGL_OpenGL.cs
@@ -19,7 +19,6 @@ using BizHawk.Common;
 
 using Silk.NET.OpenGL.Legacy;
 
-using BizClearBufferMask = BizHawk.Bizware.BizwareGL.ClearBufferMask;
 using BizPrimitiveType = BizHawk.Bizware.BizwareGL.PrimitiveType;
 
 using BizShader = BizHawk.Bizware.BizwareGL.Shader;
@@ -27,7 +26,6 @@ using BizShader = BizHawk.Bizware.BizwareGL.Shader;
 using BizTextureMagFilter = BizHawk.Bizware.BizwareGL.TextureMagFilter;
 using BizTextureMinFilter = BizHawk.Bizware.BizwareGL.TextureMinFilter;
 
-using GLClearBufferMask = Silk.NET.OpenGL.Legacy.ClearBufferMask;
 using GLPrimitiveType = Silk.NET.OpenGL.Legacy.PrimitiveType;
 using GLVertexAttribPointerType = Silk.NET.OpenGL.Legacy.VertexAttribPointerType;
 
@@ -77,14 +75,10 @@ namespace BizHawk.Bizware.Graphics
 			GL.Dispose();
 		}
 
-		public void Clear(BizClearBufferMask mask)
-		{
-			GL.Clear((GLClearBufferMask)mask); // these are the same enum
-		}
-
-		public void SetClearColor(Color color)
+		public void ClearColor(Color color)
 		{
 			GL.ClearColor(color);
+			GL.Clear(ClearBufferMask.ColorBufferBit);
 		}
 
 		public IGraphicsControl Internal_CreateGraphicsControl()
diff --git a/src/BizHawk.Client.Common/DisplayManager/DisplayManagerBase.cs b/src/BizHawk.Client.Common/DisplayManager/DisplayManagerBase.cs
index 2b29be8b9b..ccbdf54723 100644
--- a/src/BizHawk.Client.Common/DisplayManager/DisplayManagerBase.cs
+++ b/src/BizHawk.Client.Common/DisplayManager/DisplayManagerBase.cs
@@ -910,8 +910,7 @@ namespace BizHawk.Client.Common
 			ActivateGraphicsControlContext();
 			_gl.BeginScene();
 			_gl.BindRenderTarget(null);
-			_gl.SetClearColor(Color.Black);
-			_gl.Clear(ClearBufferMask.ColorBufferBit);
+			_gl.ClearColor(Color.Black);
 			_gl.EndScene();
 			SwapBuffersOfGraphicsControl();
 		}
diff --git a/src/BizHawk.Client.Common/DisplayManager/Filters/Gui.cs b/src/BizHawk.Client.Common/DisplayManager/Filters/Gui.cs
index 3c23c3f5c0..49a4fc6f2b 100644
--- a/src/BizHawk.Client.Common/DisplayManager/Filters/Gui.cs
+++ b/src/BizHawk.Client.Common/DisplayManager/Filters/Gui.cs
@@ -395,8 +395,7 @@ namespace BizHawk.Client.Common.Filters
 #endif
 
 			// TODO: this could be more efficient (draw only in gap)
-			FilterProgram.GL.SetClearColor(Color.Black);
-			FilterProgram.GL.Clear(ClearBufferMask.ColorBufferBit);
+			FilterProgram.GL.ClearColor(Color.Black);
 
 			FilterProgram.GuiRenderer.Begin(outputSize);
 			FilterProgram.GuiRenderer.SetBlendState(FilterProgram.GL.BlendNoneCopy);
@@ -662,8 +661,7 @@ namespace BizHawk.Client.Common.Filters
 				return;
 			}
 
-			FilterProgram.GL.SetClearColor(Color.FromArgb(BackgroundColor));
-			FilterProgram.GL.Clear(ClearBufferMask.ColorBufferBit);
+			FilterProgram.GL.ClearColor(Color.FromArgb(BackgroundColor));
 
 			FilterProgram.GuiRenderer.Begin(OutputSize.Width, OutputSize.Height);
 			FilterProgram.GuiRenderer.SetBlendState(FilterProgram.GL.BlendNoneCopy);