diff --git a/src/BizHawk.Bizware.OpenTK3/OTK_Gamepad.cs b/src/BizHawk.Bizware.OpenTK3/OTK_Gamepad.cs
index 0b088b1b77..ce56e1ee57 100644
--- a/src/BizHawk.Bizware.OpenTK3/OTK_Gamepad.cs
+++ b/src/BizHawk.Bizware.OpenTK3/OTK_Gamepad.cs
@@ -174,13 +174,13 @@ namespace BizHawk.Bizware.OpenTK3
 		[Conditional("DEBUG")]
 		private void DebugState(GamePadState tmpState)
 		{
-			if (!tmpState.Equals(state)) Debug.WriteLine($"GamePad State:\t{tmpState}");
+			if (!tmpState.Equals(state)) Console.WriteLine($"GamePad State:\t{tmpState}");
 		}
 
 		[Conditional("DEBUG")]
 		private void DebugState(JoystickState tmpJstate)
 		{
-			if (!tmpJstate.Equals(jState)) Debug.WriteLine($"Joystick State:\t{tmpJstate}");
+			if (!tmpJstate.Equals(jState)) Console.WriteLine($"Joystick State:\t{tmpJstate}");
 		}
 
 		public IEnumerable<(string AxisID, float Value)> GetAxes()
diff --git a/src/BizHawk.Client.Common/RomLoader.cs b/src/BizHawk.Client.Common/RomLoader.cs
index c7694f3046..8f3c991f29 100644
--- a/src/BizHawk.Client.Common/RomLoader.cs
+++ b/src/BizHawk.Client.Common/RomLoader.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
@@ -422,7 +421,7 @@ namespace BizHawk.Client.Common
 				rom.GameInfo.System = "NES";
 			}
 
-			Debug.WriteLine(rom.GameInfo.System);
+			Util.DebugWriteLine(rom.GameInfo.System);
 
 			if (string.IsNullOrEmpty(rom.GameInfo.System))
 			{
diff --git a/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs b/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
index 96ea0c6cc5..efd566cc2e 100644
--- a/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
@@ -119,7 +119,7 @@ namespace BizHawk.Client.EmuHawk
 #if DEBUG
 				if (e is ReflectionTypeLoadException rtle)
 				{
-					foreach (var e1 in rtle.LoaderExceptions) System.Diagnostics.Debug.WriteLine(e1.Message);
+					foreach (var e1 in rtle.LoaderExceptions) Console.WriteLine(e1.Message);
 				}
 #endif
 				item.ToolTipText = e switch
diff --git a/src/BizHawk.Common/HawkFile/HawkFile.cs b/src/BizHawk.Common/HawkFile/HawkFile.cs
index e5db2da79f..56318dbdf8 100644
--- a/src/BizHawk.Common/HawkFile/HawkFile.cs
+++ b/src/BizHawk.Common/HawkFile/HawkFile.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
 using System.Linq;
 
@@ -169,7 +168,7 @@ namespace BizHawk.Common
 			_extractor.ExtractFile(archiveIndex, _boundStream);
 			_boundStream.Position = 0;
 			ArchiveMemberPath = _archiveItems[index].Name; // TODO - maybe go through our own list of names? maybe not, its indices don't match...
-			Debug.WriteLine($"{nameof(HawkFile)} bound {CanonicalFullPath}");
+			Util.DebugWriteLine($"{nameof(HawkFile)} bound {CanonicalFullPath}");
 			BoundIndex = archiveIndex;
 			return this;
 		}
@@ -240,7 +239,7 @@ namespace BizHawk.Common
 		private void BindRoot()
 		{
 			_boundStream = _rootStream;
-			Debug.WriteLine($"{nameof(HawkFile)} bound {CanonicalFullPath}");
+			Util.DebugWriteLine($"{nameof(HawkFile)} bound {CanonicalFullPath}");
 		}
 
 		/// <summary>As <see cref="BindFirstOf(string[])"/>, but doesn't bind anything if there are multiple archive members with a matching file extension.</summary>
diff --git a/src/BizHawk.Emulation.Common/Database/Database.cs b/src/BizHawk.Emulation.Common/Database/Database.cs
index c062c6674b..94e36124ab 100644
--- a/src/BizHawk.Emulation.Common/Database/Database.cs
+++ b/src/BizHawk.Emulation.Common/Database/Database.cs
@@ -49,12 +49,12 @@ namespace BizHawk.Emulation.Common
 			var filename = Path.Combine(path, line);
 			if (File.Exists(filename))
 			{
-				Debug.WriteLine("loading external game database {0}", line);
+				Util.DebugWriteLine($"loading external game database {line}");
 				initializeWork(filename, warnForCollisions);
 			}
 			else
 			{
-				Debug.WriteLine("BENIGN: missing external game database {0}", line);
+				Util.DebugWriteLine($"BENIGN: missing external game database {line}");
 			}
 		}
 
@@ -153,7 +153,7 @@ namespace BizHawk.Emulation.Common
 				}
 				catch
 				{
-					Debug.WriteLine($"Error parsing database entry: {line}");
+					Util.DebugWriteLine($"Error parsing database entry: {line}");
 				}
 			}
 
diff --git a/src/BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.cs b/src/BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.cs
index 1a997b0fce..b1159ee643 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.cs
@@ -1,8 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 
+using BizHawk.Common;
+
 namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
 {
 	public sealed partial class Vic
@@ -45,11 +46,11 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
 
 		public Vic(int newCycles, int newLines, IList<int[]> newPipeline, int newCyclesPerSec, int hblankStart, int hblankEnd, int vblankStart, int vblankEnd, C64.BorderType borderType, int pixelRatioNum, int pixelRatioDen)
 		{
-			Debug.WriteLine("C64 VIC timings:");
-			Debug.WriteLine("RX   FTCH BA   ACT");
+			Util.DebugWriteLine("C64 VIC timings:");
+			Util.DebugWriteLine("RX   FTCH BA   ACT");
 			for (var i = 0; i < newPipeline[0].Length; i++)
 			{
-				Debug.WriteLine("{0:x4} {1:x4} {2:x4} {3:x8}", newPipeline[0][i], newPipeline[1][i], newPipeline[2][i], newPipeline[3][i]);
+				Util.DebugWriteLine("{0:x4} {1:x4} {2:x4} {3:x8}", newPipeline[0][i], newPipeline[1][i], newPipeline[2][i], newPipeline[3][i]);
 			}
 
 			_pixelRatioNum = pixelRatioNum;