diff --git a/src/BizHawk.Client.EmuHawk/Throttle.cs b/src/BizHawk.Client.EmuHawk/Throttle.cs
index ce8c6bea8b..a63c5547b3 100644
--- a/src/BizHawk.Client.EmuHawk/Throttle.cs
+++ b/src/BizHawk.Client.EmuHawk/Throttle.cs
@@ -230,8 +230,7 @@ namespace BizHawk.Client.EmuHawk
 			// reset way-out-of-range values
 			if (diff > 1.0f)
 				diff = 1.0f;
-			if (!(-1.0f).RangeTo(1.0f).Contains(error))
-				error = 0.0f;
+			if (Math.Abs(error) > 1.0f) error = 0.0f;
 			if (diffUnthrottled > 1.0f)
 				diffUnthrottled = desiredspf;
 
diff --git a/src/BizHawk.Client.EmuHawk/tools/NES/NESMusicRipper.cs b/src/BizHawk.Client.EmuHawk/tools/NES/NESMusicRipper.cs
index 6a6c9aefcc..b9d1564b46 100644
--- a/src/BizHawk.Client.EmuHawk/tools/NES/NESMusicRipper.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/NES/NESMusicRipper.cs
@@ -8,7 +8,6 @@ using System.Xml.XPath;
 using System.Xml.Linq;
 
 using BizHawk.Client.Common;
-using BizHawk.Common;
 using BizHawk.Emulation.Cores.Nintendo.NES;
 using BizHawk.Emulation.Common;
 
@@ -63,11 +62,7 @@ namespace BizHawk.Client.EmuHawk
 				float a = FreqTable[i - 1];
 				float b = FreqTable[i];
 				float c = FreqTable[i + 1];
-				var range = ((a + b) / 2).RangeTo((b + c) / 2);
-				if (range.Contains(freq))
-				{
-					return i - 1;
-				}
+				if ((a + b) / 2 <= freq && freq <= (b + c) / 2) return i - 1;
 			}
 
 			return 95; // I guess?