diff --git a/Source/queue.c b/Source/queue.c
index dd5ec8649..578181c37 100644
--- a/Source/queue.c
+++ b/Source/queue.c
@@ -807,7 +807,7 @@ signed portCHAR *pcOriginalReadPosition;
 					if( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX )
 					{
 						portENTER_CRITICAL();
-							vTaskPriorityInherit( ( void * const ) pxQueue->pxMutexHolder );
+							vTaskPriorityInherit( ( void * ) pxQueue->pxMutexHolder );
 						portEXIT_CRITICAL();
 					}
 				}
@@ -985,7 +985,7 @@ static void prvCopyDataToQueue( xQUEUE *pxQueue, const void *pvItemToQueue, port
 			if( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX )
 			{
 				/* The mutex is no longer being held. */
-				vTaskPriorityDisinherit( ( void * const ) pxQueue->pxMutexHolder );
+				vTaskPriorityDisinherit( ( void * ) pxQueue->pxMutexHolder );
                 pxQueue->pxMutexHolder = NULL;
 			}
 		}
diff --git a/Source/tasks.c b/Source/tasks.c
index 7063ab80c..5eaebe2ab 100644
--- a/Source/tasks.c
+++ b/Source/tasks.c
@@ -1339,7 +1339,7 @@ unsigned portBASE_TYPE uxNumberOfTasks;
 	{
 		portENTER_CRITICAL();
 		{
-			pcTraceBuffer = ( volatile signed portCHAR * volatile )pcBuffer;
+			pcTraceBuffer = ( signed portCHAR * )pcBuffer;
 			pcTraceBufferStart = pcBuffer;
 			pcTraceBufferEnd = pcBuffer + ( ulBufferSize - tskSIZE_OF_EACH_TRACE_LINE );
 			xTracing = pdTRUE;