diff --git a/kernel/core/include/tos_bitmap.h b/kernel/core/include/tos_bitmap.h
index 73d5fcf2dd26b5d75f1d2ad19789845652a4e788..ce39eba5e806d74916610fb90052472aee4091b6 100644
--- a/kernel/core/include/tos_bitmap.h
+++ b/kernel/core/include/tos_bitmap.h
@@ -145,7 +145,6 @@ __API__ int         tos_bitmap_is_reset(k_bitmap_t *bitmap, uint32_t bit);
  * @attention The very first bit which is set to 1.
  *
  * @param[in]   bitmap          pointer to the handler of the bitmap.
- * @param[in]   bit             the bit to set.
  *
  * @return  the lowest significant bit of the bitmap.
  */