diff --git a/diskimg/DIUtil.cpp b/diskimg/DIUtil.cpp
index 9d1038b..eae7d3e 100644
--- a/diskimg/DIUtil.cpp
+++ b/diskimg/DIUtil.cpp
@@ -345,16 +345,6 @@ DIError DiskImgLib::LastErrorToDIError(void)
  */
 bool DiskImgLib::IsWin9x(void)
 {
-    OSVERSIONINFO osvers;
-    BOOL result;
-
-    osvers.dwOSVersionInfoSize = sizeof(osvers);
-    result = ::GetVersionEx(&osvers);
-    assert(result != FALSE);
-
-    if (osvers.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
-        return true;
-    else
-        return false;
+    return false;
 }
 #endif
diff --git a/util/Util.cpp b/util/Util.cpp
index baf7360..9b9b0cd 100644
--- a/util/Util.cpp
+++ b/util/Util.cpp
@@ -406,17 +406,7 @@ void ShowFailureMsg(CWnd* pWnd, int msgId, int titleStrID)
 
 bool IsWin9x(void)
 {
-    OSVERSIONINFO osvers;
-    BOOL result;
-
-    osvers.dwOSVersionInfoSize = sizeof(osvers);
-    result = ::GetVersionEx(&osvers);
-    assert(result != FALSE);
-
-    if (osvers.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
-        return true;
-    else
-        return false;
+    return false;
 }
 
 void CheckedLoadString(CString* pString, UINT nID)