diff --git a/os/rt/dox/rt.dox b/os/rt/dox/rt.dox
index f7dddd5d3..d609059d9 100644
--- a/os/rt/dox/rt.dox
+++ b/os/rt/dox/rt.dox
@@ -149,11 +149,6 @@
  * @ingroup streams
  */
 
-/**
- * @defgroup data_files Abstract File Streams
- * @ingroup streams
- */
-
 /**
  * @defgroup registry Registry
  * @ingroup kernel
diff --git a/os/rt/include/chbsem.h b/os/rt/include/chbsem.h
index 176a69c57..df20cadb4 100644
--- a/os/rt/include/chbsem.h
+++ b/os/rt/include/chbsem.h
@@ -24,7 +24,6 @@
  *
  * @addtogroup binary_semaphores
  * @details Binary semaphores related APIs and services.
- *
  *          <h2>Operation mode</h2>
  *          Binary semaphores are implemented as a set of inline functions
  *          that use the existing counting semaphores primitives. The
diff --git a/os/rt/src/chmtx.c b/os/rt/src/chmtx.c
index 9099723d6..704fe1640 100644
--- a/os/rt/src/chmtx.c
+++ b/os/rt/src/chmtx.c
@@ -24,7 +24,6 @@
  *
  * @addtogroup mutexes
  * @details Mutexes related APIs and services.
- *
  *          <h2>Operation mode</h2>
  *          A mutex is a threads synchronization object that can be in two
  *          distinct states:
diff --git a/os/rt/src/chregistry.c b/os/rt/src/chregistry.c
index 460226a42..7021bdeac 100644
--- a/os/rt/src/chregistry.c
+++ b/os/rt/src/chregistry.c
@@ -24,7 +24,6 @@
  *
  * @addtogroup registry
  * @details Threads Registry related APIs and services.
- *
  *          <h2>Operation mode</h2>
  *          The Threads Registry is a double linked list that holds all the
  *          active threads in the system.<br>
diff --git a/os/rt/src/chsem.c b/os/rt/src/chsem.c
index 4348c3314..3e1cb5aaa 100644
--- a/os/rt/src/chsem.c
+++ b/os/rt/src/chsem.c
@@ -24,7 +24,6 @@
  *
  * @addtogroup semaphores
  * @details Semaphores related APIs and services.
- *
  *          <h2>Operation mode</h2>
  *          Semaphores are a flexible synchronization primitive, ChibiOS/RT
  *          implements semaphores in their "counting semaphores" variant as
diff --git a/os/rt/src/chthreads.c b/os/rt/src/chthreads.c
index 1c9508362..8695c4ee5 100644
--- a/os/rt/src/chthreads.c
+++ b/os/rt/src/chthreads.c
@@ -24,7 +24,6 @@
  *
  * @addtogroup threads
  * @details Threads related APIs and services.
- *
  *          <h2>Operation mode</h2>
  *          A thread is an abstraction of an independent instructions flow.
  *          In ChibiOS/RT a thread is represented by a "C" function owning