diff --git a/src/lib/arch/win32/ArchMiscWindows.cpp b/src/lib/arch/win32/ArchMiscWindows.cpp
index 207b91940..84024a943 100644
--- a/src/lib/arch/win32/ArchMiscWindows.cpp
+++ b/src/lib/arch/win32/ArchMiscWindows.cpp
@@ -161,15 +161,6 @@ void ArchMiscWindows::deleteKey(HKEY key, const TCHAR *name)
   RegDeleteKey(key, name);
 }
 
-void ArchMiscWindows::deleteKeyTree(HKEY key, const TCHAR *name)
-{
-  assert(key != NULL);
-  assert(name != NULL);
-  if (key == NULL || name == NULL)
-    return;
-  RegDeleteTree(key, name);
-}
-
 ArchMiscWindows::EValueType ArchMiscWindows::typeOfValue(HKEY key, const TCHAR *name)
 {
   DWORD type;
diff --git a/src/lib/arch/win32/ArchMiscWindows.h b/src/lib/arch/win32/ArchMiscWindows.h
index 47b55c1f6..f613edc4d 100644
--- a/src/lib/arch/win32/ArchMiscWindows.h
+++ b/src/lib/arch/win32/ArchMiscWindows.h
@@ -86,9 +86,6 @@ public:
   //! Delete a key (which should have no subkeys)
   static void deleteKey(HKEY parent, const TCHAR *name);
 
-  //! Delete a tree of keys from the registry
-  static void deleteKeyTree(HKEY parent, const TCHAR *name);
-
   //! Get type of value
   static EValueType typeOfValue(HKEY key, const TCHAR *name);