diff --git a/src/lib/arch/win32/ArchMiscWindows.cpp b/src/lib/arch/win32/ArchMiscWindows.cpp
index 84024a943..9a9f69de3 100644
--- a/src/lib/arch/win32/ArchMiscWindows.cpp
+++ b/src/lib/arch/win32/ArchMiscWindows.cpp
@@ -203,17 +203,6 @@ void ArchMiscWindows::setValue(HKEY key, const TCHAR *name, DWORD value)
   RegSetValueEx(key, name, 0, REG_DWORD, reinterpret_cast<CONST BYTE *>(&value), sizeof(DWORD));
 }
 
-void ArchMiscWindows::setValueBinary(HKEY key, const TCHAR *name, const std::string &value)
-{
-  assert(key != NULL);
-  assert(name != NULL);
-  if (key == NULL || name == NULL) {
-    // TODO: throw exception
-    return;
-  }
-  RegSetValueEx(key, name, 0, REG_BINARY, reinterpret_cast<const BYTE *>(value.data()), (DWORD)value.size());
-}
-
 std::string ArchMiscWindows::readBinaryOrString(HKEY key, const TCHAR *name, DWORD type)
 {
   // get the size of the string
diff --git a/src/lib/arch/win32/ArchMiscWindows.h b/src/lib/arch/win32/ArchMiscWindows.h
index f613edc4d..a40897da4 100644
--- a/src/lib/arch/win32/ArchMiscWindows.h
+++ b/src/lib/arch/win32/ArchMiscWindows.h
@@ -95,12 +95,6 @@ public:
   //! Set a DWORD value in the registry
   static void setValue(HKEY key, const TCHAR *name, DWORD value);
 
-  //! Set a BINARY value in the registry
-  /*!
-  Sets the \p name value of \p key to \p value.data().
-  */
-  static void setValueBinary(HKEY key, const TCHAR *name, const std::string &value);
-
   //! Read a string value from the registry
   static std::string readValueString(HKEY, const TCHAR *name);