diff --git a/src/jdk.accessibility/windows/native/jabswitch/jabswitch.cpp b/src/jdk.accessibility/windows/native/jabswitch/jabswitch.cpp
index fdd7ff524da..7e4f63d2363 100644
--- a/src/jdk.accessibility/windows/native/jabswitch/jabswitch.cpp
+++ b/src/jdk.accessibility/windows/native/jabswitch/jabswitch.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -53,23 +53,6 @@ static LPCTSTR STR_ACCESSBRIDGE =
 FILE* origFile;
 FILE* tempFile;
 
-bool isXP()
-{
-    static bool isXPFlag = false;
-    OSVERSIONINFO  osvi;
-
-    // Initialize the OSVERSIONINFO structure.
-    ZeroMemory( &osvi, sizeof( osvi ) );
-    osvi.dwOSVersionInfoSize = sizeof( osvi );
-
-    GetVersionEx( &osvi );
-
-    if ( osvi.dwMajorVersion == 5 ) // For Windows XP and Windows 2000
-        isXPFlag = true;
-
-    return isXPFlag ;
-}
-
 void enableJAB() {
     // Copy lines from orig to temp modifying the line containing
     // assistive_technologies=
@@ -458,16 +441,14 @@ int main(int argc, char* argv[]) {
                 enableWasRequested = true;
                 error = modify(true);
                 if (error == 0) {
-                   if( !isXP() )
-                      regEnable();
+                    regEnable();
                 }
             } else if (_stricmp(argv[1], "-disable") == 0 || _stricmp(argv[1], "/disable") == 0) {
                 badParams = false;
                 disableWasRequested = true;
                 error = modify(false);
                 if (error == 0) {
-                   if( !isXP() )
-                      regDisable();
+                    regDisable();
                 }
             }
         }