diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index b9fecadc73..8469b45cf4 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -416,7 +416,6 @@
     <Compile Include="Consoles\Coleco\ColecoVision.ISoundProvider.cs">
       <DependentUpon>ColecoVision.cs</DependentUpon>
     </Compile>
-    <Compile Include="Consoles\Coleco\MemoryMap.cs" />
     <Compile Include="Consoles\Coleco\TMS9918A.cs" />
     <Compile Include="Consoles\Coleco\ColecoControllerDeck.cs" />
     <Compile Include="Consoles\Coleco\ColecoControllers.cs" />
diff --git a/BizHawk.Emulation.Cores/Consoles/Coleco/ColecoVision.cs b/BizHawk.Emulation.Cores/Consoles/Coleco/ColecoVision.cs
index 0f1fc55057..57f39c227c 100644
--- a/BizHawk.Emulation.Cores/Consoles/Coleco/ColecoVision.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Coleco/ColecoVision.cs
@@ -197,5 +197,37 @@ namespace BizHawk.Emulation.Cores.ColecoVision
 		}
 
 		private int frame;
+
+		public byte ReadMemory(ushort addr)
+		{
+			if (addr >= 0x8000)
+			{
+				return RomData[addr & 0x7FFF];
+			}
+
+			if (addr >= 0x6000)
+			{
+				return Ram[addr & 1023];
+			}
+
+			if (addr < 0x2000)
+			{
+				return BiosRom[addr];
+			}
+
+			//Console.WriteLine("Unhandled read at {0:X4}", addr);
+			return 0xFF;
+		}
+
+		public void WriteMemory(ushort addr, byte value)
+		{
+			if (addr >= 0x6000 && addr < 0x8000)
+			{
+				Ram[addr & 1023] = value;
+				return;
+			}
+
+			//Console.WriteLine("Unhandled write at {0:X4}:{1:X2}", addr, value);
+		}
 	}
 }
\ No newline at end of file
diff --git a/BizHawk.Emulation.Cores/Consoles/Coleco/MemoryMap.cs b/BizHawk.Emulation.Cores/Consoles/Coleco/MemoryMap.cs
deleted file mode 100644
index 43d418d52c..0000000000
--- a/BizHawk.Emulation.Cores/Consoles/Coleco/MemoryMap.cs
+++ /dev/null
@@ -1,37 +0,0 @@
-namespace BizHawk.Emulation.Cores.ColecoVision
-{
-	public partial class ColecoVision
-	{
-		public byte ReadMemory(ushort addr)
-		{
-			if (addr >= 0x8000)
-			{
-				return RomData[addr & 0x7FFF];
-			}
-
-			if (addr >= 0x6000)
-			{
-				return Ram[addr & 1023];
-			}
-
-			if (addr < 0x2000)
-			{
-				return BiosRom[addr];
-			}
-
-			//Console.WriteLine("Unhandled read at {0:X4}", addr);
-			return 0xFF;
-		}
-
-		public void WriteMemory(ushort addr, byte value)
-		{
-			if (addr >= 0x6000 && addr < 0x8000)
-			{
-				Ram[addr & 1023] = value;
-				return;
-			}
-
-			//Console.WriteLine("Unhandled write at {0:X4}:{1:X2}", addr, value);
-		}
-	}
-}