diff --git a/BizHawk.Emulation.Common/Interfaces/Services/IDisassemblable.cs b/BizHawk.Emulation.Common/Interfaces/Services/IDisassemblable.cs
index 64ce6bf3b4..a95ed0d625 100644
--- a/BizHawk.Emulation.Common/Interfaces/Services/IDisassemblable.cs
+++ b/BizHawk.Emulation.Common/Interfaces/Services/IDisassemblable.cs
@@ -34,11 +34,11 @@ namespace BizHawk.Emulation.Common
 	}
 
 	/// <summary>
-	/// does santiy checking on Cpu parameters
+	/// does sanity checking on CPU parameters
 	/// </summary>
 	public abstract class VerifiedDisassembler : IDisassemblable
 	{
-		protected string _cpu;
+		private string _cpu;
 
 		public virtual string Cpu
 		{
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
index 2362a919e3..ce30c3d638 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/ArmV4Disassembler.cs
@@ -1,33 +1,26 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Collections.Generic;
 using BizHawk.Emulation.Common;
+using BizHawk.Emulation.Cores.Components.ARM;
 
 namespace BizHawk.Emulation.Cores.Nintendo.GBA
 {
 	public class ArmV4Disassembler : VerifiedDisassembler
 	{
-		public override IEnumerable<string> AvailableCpus
+		public override IEnumerable<string> AvailableCpus => new[]
 		{
-			get
-			{
-				return new[] { "ARM v4", "ARM v4 (Thumb)" };
-			}
-		}
+			"ARM v4",
+			"ARM v4 (Thumb)"
+		};
 
-		public override string PCRegisterName
-		{
-			get { return "R15"; }
-		}
+		public override string PCRegisterName => "R15";
 
 		public override string Disassemble(MemoryDomain m, uint addr, out int length)
 		{
-			if (_cpu == "ARM v4 (Thumb)")
+			if (Cpu == "ARM v4 (Thumb)")
 			{
 				addr &= unchecked((uint)~1);
 				int op = m.PeekByte((int)addr) | m.PeekByte((int)addr + 1) << 8;
-				string ret = Emulation.Cores.Components.ARM.Darm.DisassembleStuff(addr | 1, (uint)op);
+				string ret = Darm.DisassembleStuff(addr | 1, (uint)op);
 				length = 2;
 				return ret;
 			}
@@ -38,7 +31,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 					| m.PeekByte((int)addr + 1) << 8
 					| m.PeekByte((int)addr + 2) << 16
 					| m.PeekByte((int)addr + 3) << 24;
-				string ret = Emulation.Cores.Components.ARM.Darm.DisassembleStuff(addr, (uint)op);
+				string ret = Darm.DisassembleStuff(addr, (uint)op);
 				length = 4;
 				return ret;
 			}