diff --git a/os/rt/include/chmtx.h b/os/rt/include/chmtx.h
index c44930869..d58cd8f4b 100644
--- a/os/rt/include/chmtx.h
+++ b/os/rt/include/chmtx.h
@@ -96,7 +96,6 @@ struct ch_mutex {
 /* External declarations.                                                    */
 /*===========================================================================*/
 
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/os/rt/include/chthreads.h b/os/rt/include/chthreads.h
index 1b29260ed..0fd206d19 100644
--- a/os/rt/include/chthreads.h
+++ b/os/rt/include/chthreads.h
@@ -414,7 +414,6 @@ static inline bool chThdQueueIsEmptyI(threads_queue_t *tqp) {
   return queue_isempty(tqp);
 }
 
-
 /**
  * @brief   Dequeues and wakes up one thread from the threads queue object.
  * @details Dequeues one thread from the queue without checking if the queue
diff --git a/os/rt/src/chthreads.c b/os/rt/src/chthreads.c
index df9b54dfe..6ca99904b 100644
--- a/os/rt/src/chthreads.c
+++ b/os/rt/src/chthreads.c
@@ -193,7 +193,6 @@ thread_t *chThdCreateSuspendedI(const thread_descriptor_t *tdp) {
   return _thread_init(tp, tdp->name, tdp->prio);
 }
 
-
 /**
  * @brief   Creates a new thread into a static memory area.
  * @details The new thread is initialized but not inserted in the ready list,
diff --git a/readme.txt b/readme.txt
index 2829a5220..eb9894a95 100644
--- a/readme.txt
+++ b/readme.txt
@@ -148,6 +148,7 @@
 - RT:  Merged RT4.
 - NIL: Merged NIL2.
 - NIL: Added STM32F7 demo.
+- RT:  Fixed double empty lines (bug #793)(backported to 16.1.6, 3.0.6).
 - HAL: Fixed wrong entries in STM32L4 registry (bug #792)(backported to 
        16.1.6).
 - HAL: Fixed missing ARPE bit in CR1 initialization on STM32 GPT driver