diff --git a/src/lib/arch/win32/ArchMiscWindows.cpp b/src/lib/arch/win32/ArchMiscWindows.cpp
index 9a9f69de3..c470d0d6c 100644
--- a/src/lib/arch/win32/ArchMiscWindows.cpp
+++ b/src/lib/arch/win32/ArchMiscWindows.cpp
@@ -243,11 +243,6 @@ std::string ArchMiscWindows::readValueString(HKEY key, const TCHAR *name)
   return readBinaryOrString(key, name, REG_SZ);
 }
 
-std::string ArchMiscWindows::readValueBinary(HKEY key, const TCHAR *name)
-{
-  return readBinaryOrString(key, name, REG_BINARY);
-}
-
 DWORD
 ArchMiscWindows::readValueInt(HKEY key, const TCHAR *name)
 {
diff --git a/src/lib/arch/win32/ArchMiscWindows.h b/src/lib/arch/win32/ArchMiscWindows.h
index a40897da4..f07ea56c6 100644
--- a/src/lib/arch/win32/ArchMiscWindows.h
+++ b/src/lib/arch/win32/ArchMiscWindows.h
@@ -101,9 +101,6 @@ public:
   //! Read a DWORD value from the registry
   static DWORD readValueInt(HKEY, const TCHAR *name);
 
-  //! Read a BINARY value from the registry
-  static std::string readValueBinary(HKEY, const TCHAR *name);
-
   //! Add a dialog
   static void addDialog(HWND);