diff --git a/src/lib/arch/win32/ArchSystemWindows.cpp b/src/lib/arch/win32/ArchSystemWindows.cpp
index 8e4738074..bb1070d02 100644
--- a/src/lib/arch/win32/ArchSystemWindows.cpp
+++ b/src/lib/arch/win32/ArchSystemWindows.cpp
@@ -71,21 +71,3 @@ void ArchSystemWindows::clearSettings() const
 {
   ArchMiscWindows::deleteKeyTree(HKEY_LOCAL_MACHINE, kWindowsRegistryKey);
 }
-
-bool ArchSystemWindows::isWOW64() const
-{
-#if WINVER >= _WIN32_WINNT_WINXP
-  typedef BOOL(WINAPI * LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
-  HMODULE hModule = GetModuleHandle(TEXT("kernel32"));
-  if (!hModule)
-    return FALSE;
-
-  LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(hModule, "IsWow64Process");
-
-  BOOL bIsWow64 = FALSE;
-  if (NULL != fnIsWow64Process && fnIsWow64Process(GetCurrentProcess(), &bIsWow64) && bIsWow64) {
-    return true;
-  }
-#endif
-  return false;
-}
diff --git a/src/lib/arch/win32/ArchSystemWindows.h b/src/lib/arch/win32/ArchSystemWindows.h
index 88e1e1e05..1a69e6662 100644
--- a/src/lib/arch/win32/ArchSystemWindows.h
+++ b/src/lib/arch/win32/ArchSystemWindows.h
@@ -23,6 +23,4 @@ public:
   virtual std::string setting(const std::string &valueName) const;
   virtual void setting(const std::string &valueName, const std::string &valueString) const;
   virtual void clearSettings() const;
-
-  bool isWOW64() const;
 };