diff --git a/cpukit/score/include/rtems/score/threadqimpl.h b/cpukit/score/include/rtems/score/threadqimpl.h
index c1bd902f33..f5c59d3d52 100644
--- a/cpukit/score/include/rtems/score/threadqimpl.h
+++ b/cpukit/score/include/rtems/score/threadqimpl.h
@@ -180,25 +180,6 @@ void _Thread_queue_Initialize(
   uint32_t                      timeout_status
 );
 
-/**
- *  @brief Removes a thread from the specified PRIORITY based
- *  threadq, unblocks it, and cancels its timeout timer.
- *
- *  This routine removes a thread from the specified PRIORITY based
- *  threadq, unblocks it, and cancels its timeout timer.
- *
- *  - INTERRUPT LATENCY:
- *    + single case
- *
- * @param[in] the_thread_queue is a pointer to a thread queue
- *
- * @retval thread dequeued
- * @retval NULL if no thread are waiting on the_thread_queue
- */
-Thread_Control *_Thread_queue_Dequeue_priority(
-  Thread_queue_Control *the_thread_queue
-);
-
 /**
  *  @brief Thread queue timeout.
  *