diff --git a/reactos/sdk/include/ddk/rxcontx.h b/reactos/sdk/include/ddk/rxcontx.h
index 297efc06440..d942fc56f6d 100644
--- a/reactos/sdk/include/ddk/rxcontx.h
+++ b/reactos/sdk/include/ddk/rxcontx.h
@@ -263,8 +263,8 @@ typedef struct _RX_CONTEXT
     PWCH AlsoCanonicalNameBuffer;
     PUNICODE_STRING LoudCompletionString;
 #ifdef RDBSS_TRACKER
-    __volatile LONG AcquireReleaseFcbTrackerX;
-    __volatile ULONG TrackerHistoryPointer;
+    volatile LONG AcquireReleaseFcbTrackerX;
+    volatile ULONG TrackerHistoryPointer;
     RX_FCBTRACKER_CALLINFO TrackerHistory[RDBSS_TRACKER_HISTORY_SIZE];
 #endif
 #if DBG
diff --git a/reactos/sdk/include/ddk/rxworkq.h b/reactos/sdk/include/ddk/rxworkq.h
index a0bd092632d..de37e35c299 100644
--- a/reactos/sdk/include/ddk/rxworkq.h
+++ b/reactos/sdk/include/ddk/rxworkq.h
@@ -40,16 +40,16 @@ typedef struct _RX_WORK_QUEUE_
    UCHAR Type;
    KSPIN_LOCK SpinLock;
    PRX_WORK_QUEUE_RUNDOWN_CONTEXT pRundownContext;
-   __volatile LONG NumberOfWorkItemsDispatched;
-   __volatile LONG NumberOfWorkItemsToBeDispatched;
+   volatile LONG NumberOfWorkItemsDispatched;
+   volatile LONG NumberOfWorkItemsToBeDispatched;
    LONG CumulativeQueueLength;
    LONG NumberOfSpinUpRequests;
    LONG MaximumNumberOfWorkerThreads;
    LONG MinimumNumberOfWorkerThreads;
-   __volatile LONG NumberOfActiveWorkerThreads;
-   __volatile LONG NumberOfIdleWorkerThreads;
+   volatile LONG NumberOfActiveWorkerThreads;
+   volatile LONG NumberOfIdleWorkerThreads;
    LONG NumberOfFailedSpinUpRequests;
-   __volatile LONG WorkQueueItemForSpinUpWorkerThreadInUse;
+   volatile LONG WorkQueueItemForSpinUpWorkerThreadInUse;
    RX_WORK_QUEUE_ITEM WorkQueueItemForTearDownWorkQueue;
    RX_WORK_QUEUE_ITEM WorkQueueItemForSpinUpWorkerThread;
    RX_WORK_QUEUE_ITEM WorkQueueItemForSpinDownWorkerThread;