Below are the vm options which are expiring in JDK 12:

  { "MustCallLoadClassInternal", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "UnsyncloadClass", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },

  { "CheckAssertionStatusDirectives",JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "PrintMallocFree", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "PrintMalloc", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "ShowSafepointMsgs", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "FastTLABRefill", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "SafepointSpinBeforeYield", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "CheckEndorsedAndExtDirs", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "DeferThrSuspendLoopCount", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "DeferPollingPageLoopCount", JDK_Version::jdk(10), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "TraceScavenge", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },

  { "UseUTCFileTimestamp", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "InlineNotify", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "EnableTracing", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "UseLockedTracing", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "NativeMonitorTimeout", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "NativeMonitorSpinLimit", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },
  { "NativeMonitorFlags", JDK_Version::undefined(), JDK_Version::jdk(11), JDK_Version::jdk(12) },

The above options were removed by JDK-8211364. The only remaining task is to delete perfCounter _load_instance_class_failCounter which was used by option UnsyncloadClass.