diff --git a/os/hal/ports/STM32/TIMv1/st_lld.c b/os/hal/ports/STM32/TIMv1/st_lld.c
index 090b7a4fe..a8ef5896d 100644
--- a/os/hal/ports/STM32/TIMv1/st_lld.c
+++ b/os/hal/ports/STM32/TIMv1/st_lld.c
@@ -26,7 +26,6 @@
 
 #if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__)
 
-
 /*===========================================================================*/
 /* Driver local definitions.                                                 */
 /*===========================================================================*/
diff --git a/os/rt/osal/osal.h b/os/rt/osal/osal.h
index 4569d7c4f..868fca249 100644
--- a/os/rt/osal/osal.h
+++ b/os/rt/osal/osal.h
@@ -131,6 +131,12 @@
 /* Module data structures and types.                                         */
 /*===========================================================================*/
 
+/* Temporary types provided for ChibiOS 2.x compatibility.*/
+typedef io_queue_t GenericQueue;
+typedef input_queue_t InputQueue;
+typedef output_queue_t OutputQueue;
+typedef bool bool_t;
+
 #if 0
 /**
  * @brief   Type of a system status word.