diff --git a/clientlib/win/boincclient.rgs b/clientlib/win/boincclient.rgs
deleted file mode 100644
index 526013e59c..0000000000
--- a/clientlib/win/boincclient.rgs
+++ /dev/null
@@ -1,11 +0,0 @@
-HKCR
-{
-	NoRemove AppID
-	{
-		'%APPID%' = s 'BOINC'
-		'BOINC.DLL'
-		{
-			val AppID = s '%APPID%'
-		}
-	}
-}