diff --git a/cpu/cortexm_common/include/irq_arch.h b/cpu/cortexm_common/include/irq_arch.h
index f8264d471a..85c8ec975f 100644
--- a/cpu/cortexm_common/include/irq_arch.h
+++ b/cpu/cortexm_common/include/irq_arch.h
@@ -14,8 +14,6 @@
  * @brief       Implementation of the kernels irq interface
  *
  * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
- *
- * @}
  */
 
 #ifndef IRQ_ARCH_H
diff --git a/cpu/cortexm_common/include/thread_arch.h b/cpu/cortexm_common/include/thread_arch.h
index e75ec0af57..5a05e82724 100644
--- a/cpu/cortexm_common/include/thread_arch.h
+++ b/cpu/cortexm_common/include/thread_arch.h
@@ -15,9 +15,8 @@
  * @brief       Implementation of the kernels thread interface
  *
  * @author      Koen Zandberg <koen@bergzand.net>
- *
- * @}
  */
+
 #ifndef THREAD_ARCH_H
 #define THREAD_ARCH_H