src/java.base/share/classes/jdk/internal/perf/PerfCounter.java

@@ -131,14 +131,10 @@
         static final PerfCounter rcbt  = newPerfCounter("sun.urlClassLoader.readClassBytesTime");
         static final PerfCounter zfc   = newPerfCounter("sun.zip.zipFiles");
         static final PerfCounter zfot  = newPerfCounter("sun.zip.zipFile.openTime");
     }
 
-    static class WindowsClientCounters {
-        static final PerfCounter d3dAvailable = newConstantPerfCounter("sun.java2d.d3d.available");
-    }
-
     /**
      * Number of findClass calls
      */
     public static PerfCounter getFindClasses() {
         return CoreCounters.lc;

@@ -180,12 +176,6 @@
      */
     public static PerfCounter getZipFileOpenTime() {
         return CoreCounters.zfot;
     }
 
-    /**
-     * D3D graphic pipeline available
-     */
-    public static PerfCounter getD3DAvailable() {
-        return WindowsClientCounters.d3dAvailable;
-    }
 }