diff --git a/os/various/cpp_wrappers/ch.cpp b/os/various/cpp_wrappers/ch.cpp
index 500db278d..fbc8d1897 100644
--- a/os/various/cpp_wrappers/ch.cpp
+++ b/os/various/cpp_wrappers/ch.cpp
@@ -529,6 +529,16 @@ namespace chibios_rt {
     chMtxLockS(&mutex);
   }
 
+  void Mutex::unlock(void) {
+
+    chMtxUnlock(&mutex);
+  }
+
+  void Mutex::unlockS(void) {
+
+    chMtxLockS(&mutex);
+  }
+
 #if CH_CFG_USE_CONDVARS
   /*------------------------------------------------------------------------*
    * chibios_rt::CondVar                                                    *
diff --git a/os/various/cpp_wrappers/ch.hpp b/os/various/cpp_wrappers/ch.hpp
index 7588e5ee1..b0d5d824f 100644
--- a/os/various/cpp_wrappers/ch.hpp
+++ b/os/various/cpp_wrappers/ch.hpp
@@ -1215,6 +1215,28 @@ namespace chibios_rt {
      * @sclass
      */
     void lockS(void);
+
+    /**
+     * @brief   Unlocks the next owned mutex in reverse lock order.
+     * @pre     The invoking thread <b>must</b> have at least one owned mutex.
+     * @post    The mutex is unlocked and removed from the per-thread stack of
+     *          owned mutexes.
+     *
+     * @api
+     */
+    void unlock(void);
+
+    /**
+     * @brief   Unlocks the next owned mutex in reverse lock order.
+     * @pre     The invoking thread <b>must</b> have at least one owned mutex.
+     * @post    The mutex is unlocked and removed from the per-thread stack of
+     *          owned mutexes.
+     * @post    This function does not reschedule so a call to a rescheduling
+     *          function must be performed before unlocking the kernel.
+     *
+     * @sclass
+     */
+    void unlockS(void);
   };
 
 #if CH_CFG_USE_CONDVARS || defined(__DOXYGEN__)