diff --git a/src/BizHawk.Bizware.Graphics/D3D11/D3D11Pipeline.cs b/src/BizHawk.Bizware.Graphics/D3D11/D3D11Pipeline.cs
index ebfc1b57b9..5638bfe68e 100644
--- a/src/BizHawk.Bizware.Graphics/D3D11/D3D11Pipeline.cs
+++ b/src/BizHawk.Bizware.Graphics/D3D11/D3D11Pipeline.cs
@@ -392,9 +392,6 @@ namespace BizHawk.Bizware.Graphics
 			}
 		}
 
-		public void SetUniformMatrix(string name, Matrix4x4 mat, bool transpose)
-			=> SetUniformMatrix(name, ref mat, transpose);
-
 		public unsafe void SetUniformMatrix(string name, ref Matrix4x4 mat, bool transpose)
 		{
 			var m = transpose ? Matrix4x4.Transpose(mat) : mat;
diff --git a/src/BizHawk.Bizware.Graphics/ImGuiResourceCache.cs b/src/BizHawk.Bizware.Graphics/ImGuiResourceCache.cs
index 50c7a60ce7..b679367dfb 100644
--- a/src/BizHawk.Bizware.Graphics/ImGuiResourceCache.cs
+++ b/src/BizHawk.Bizware.Graphics/ImGuiResourceCache.cs
@@ -61,7 +61,7 @@ namespace BizHawk.Bizware.Graphics
 		internal void SetProjection(int width, int height)
 		{
 			var projection = _igl.CreateGuiViewMatrix(width, height) * _igl.CreateGuiProjectionMatrix(width, height);
-			Pipeline.SetUniformMatrix("um44Projection", projection);
+			Pipeline.SetUniformMatrix("um44Projection", ref projection);
 		}
 
 		internal void SetTexture(ITexture2D texture2D)
diff --git a/src/BizHawk.Bizware.Graphics/Interfaces/IPipeline.cs b/src/BizHawk.Bizware.Graphics/Interfaces/IPipeline.cs
index c86a31bc30..bfe3d7acfc 100644
--- a/src/BizHawk.Bizware.Graphics/Interfaces/IPipeline.cs
+++ b/src/BizHawk.Bizware.Graphics/Interfaces/IPipeline.cs
@@ -23,11 +23,6 @@ namespace BizHawk.Bizware.Graphics
 		/// </summary>
 		void SetUniformSampler(string name, ITexture2D tex);
 
-		/// <summary>
-		/// Sets a uniform value
-		/// </summary>
-		void SetUniformMatrix(string name, Matrix4x4 mat, bool transpose = false);
-
 		/// <summary>
 		/// Sets a uniform value
 		/// </summary>
diff --git a/src/BizHawk.Bizware.Graphics/OpenGL/OpenGLPipeline.cs b/src/BizHawk.Bizware.Graphics/OpenGL/OpenGLPipeline.cs
index 64397a0d98..688e7f8133 100644
--- a/src/BizHawk.Bizware.Graphics/OpenGL/OpenGLPipeline.cs
+++ b/src/BizHawk.Bizware.Graphics/OpenGL/OpenGLPipeline.cs
@@ -263,9 +263,6 @@ namespace BizHawk.Bizware.Graphics
 			}
 		}
 
-		public void SetUniformMatrix(string name, Matrix4x4 mat, bool transpose)
-			=> SetUniformMatrix(name, ref mat, transpose);
-
 		public unsafe void SetUniformMatrix(string name, ref Matrix4x4 mat, bool transpose)
 		{
 			if (_uniforms.TryGetValue(name, out var uid))