diff --git a/src/BizHawk.Client.Common/tools/RamSearchEngine/Extensions.cs b/src/BizHawk.Client.Common/tools/RamSearchEngine/Extensions.cs
index e186fddeea..14ff056127 100644
--- a/src/BizHawk.Client.Common/tools/RamSearchEngine/Extensions.cs
+++ b/src/BizHawk.Client.Common/tools/RamSearchEngine/Extensions.cs
@@ -6,12 +6,6 @@ namespace BizHawk.Client.Common.RamSearchEngine
 {
 	internal static class Extensions
 	{
-		public static float ToFloat(this long val)
-		{
-			var bytes = BitConverter.GetBytes((int)val);
-			return BitConverter.ToSingle(bytes, 0);
-		}
-
 		public static IEnumerable<IMiniWatch> ToBytes(this IEnumerable<long> addresses, SearchEngineSettings settings)
 			=> settings.IsDetailed()
 				? addresses.ToDetailedBytes(settings.Domain)
diff --git a/src/BizHawk.Client.Common/tools/RamSearchEngine/RamSearchEngine.cs b/src/BizHawk.Client.Common/tools/RamSearchEngine/RamSearchEngine.cs
index 7ad70d5704..c5139a033e 100644
--- a/src/BizHawk.Client.Common/tools/RamSearchEngine/RamSearchEngine.cs
+++ b/src/BizHawk.Client.Common/tools/RamSearchEngine/RamSearchEngine.cs
@@ -12,10 +12,10 @@ namespace BizHawk.Client.Common.RamSearchEngine
 {
 	public class RamSearchEngine
 	{
-		/// <remarks>TODO move to BizHawk.Common</remarks>
 		private static float ReinterpretAsF32(long l)
 		{
-			return Unsafe.As<long, float>(ref l);
+			var lsw = unchecked((uint) l);
+			return Unsafe.As<uint, float>(ref lsw);
 		}
 
 		private Compare _compareTo = Compare.Previous;
diff --git a/src/BizHawk.Tests/Common/ConversionTests.cs b/src/BizHawk.Tests/Common/ConversionTests.cs
deleted file mode 100644
index c05d5c5662..0000000000
--- a/src/BizHawk.Tests/Common/ConversionTests.cs
+++ /dev/null
@@ -1,39 +0,0 @@
-using System.Buffers.Binary;
-using System.Runtime.CompilerServices;
-
-namespace BizHawk.Tests.Common;
-
-// test for RamSearchEngine.ReinterpretAsF32
-[TestClass]
-public class ConversionTests
-{
-	private static float ReinterpretAsF32Unsafe(long l)
-	{
-		return Unsafe.As<long, float>(ref l);
-	}
-
-	private static readonly byte[] ScratchSpace = new byte[8];
-
-	private static float ReinterpretAsF32BitConverter(long l)
-	{
-		BinaryPrimitives.WriteInt64LittleEndian(ScratchSpace, l);
-		return BitConverter.ToSingle(ScratchSpace, startIndex: 0);
-	}
-
-	[TestMethod]
-	[DoNotParallelize] // old implementation is not thread safe
-	[DataRow(0, 0)]
-	[DataRow(1, 1.401298E-45F)]
-	[DataRow(1109917696, 42)]
-	[DataRow(1123477881, 123.456F)]
-	[DataRow(3212836864, -1)]
-	[DataRow(0x7fffffffbf800000, -1)]
-	public void TestReinterpretAsF32(long input, float expected)
-	{
-		float f32BitConverter = ReinterpretAsF32BitConverter(input);
-		float f32Unsafe = ReinterpretAsF32Unsafe(input);
-
-		Assert.AreEqual(expected, f32BitConverter);
-		Assert.AreEqual(expected, f32Unsafe);
-	}
-}