diff --git a/apps/codeprop/codeprop-tmp.c b/apps/codeprop/codeprop-tmp.c
index 42bf46e42..4f37a78a6 100644
--- a/apps/codeprop/codeprop-tmp.c
+++ b/apps/codeprop/codeprop-tmp.c
@@ -30,9 +30,6 @@
  *
  */
 
-/** \addtogroup esb
- * @{ */
-
 /**
  *
  * \file
@@ -510,4 +507,3 @@ uipcall(void *state)
   }
 }
 /*---------------------------------------------------------------------*/
-/** @} */
diff --git a/apps/codeprop/codeprop.c b/apps/codeprop/codeprop.c
index ead410ba7..1eb31243e 100644
--- a/apps/codeprop/codeprop.c
+++ b/apps/codeprop/codeprop.c
@@ -30,9 +30,6 @@
  *
  */
 
-/** \addtogroup esb
- * @{ */
-
 /**
  *
  * \file
@@ -477,4 +474,3 @@ uipcall(void *state)
   }
 }
 /*---------------------------------------------------------------------*/
-/** @} */
diff --git a/cpu/arm/at91sam7s/loader/codeprop-otf.c b/cpu/arm/at91sam7s/loader/codeprop-otf.c
index 2ffbe2556..8991106fd 100644
--- a/cpu/arm/at91sam7s/loader/codeprop-otf.c
+++ b/cpu/arm/at91sam7s/loader/codeprop-otf.c
@@ -30,9 +30,6 @@
  *
  */
 
-/** \addtogroup esb
- * @{ */
-
 /**
  *
  * \file
@@ -519,4 +516,3 @@ uipcall(void *state)
   }
 }
 /*---------------------------------------------------------------------*/
-/** @} */
diff --git a/platform/cooja/dev/rs232.h b/platform/cooja/dev/rs232.h
index aefb5c823..5a097c096 100644
--- a/platform/cooja/dev/rs232.h
+++ b/platform/cooja/dev/rs232.h
@@ -30,18 +30,10 @@
  *
  */
 
-/** \addtogroup esb
- * @{ */
-
-/**
- * \defgroup esbrs232 ESB RS232
- *
- * @{
- */
 
 /**
  * \file
- * Header file for MSP430 RS232 driver.
+ * Header file for COOJA RS232 driver.
  * \author Adam Dunkels <adam@sics.se>
  *
  */
@@ -114,4 +106,3 @@ void rs232_send(char c);
 
 #endif /* RS232_H_ */
 
-/** @} */ /** @} */
diff --git a/platform/native/dev/beep.h b/platform/native/dev/beep.h
index c2ab7d3f7..bb98498af 100644
--- a/platform/native/dev/beep.h
+++ b/platform/native/dev/beep.h
@@ -29,10 +29,6 @@
  * This file is part of the Contiki operating system.
  *
  */
-/**
- * \addtogroup esb
- * @{
- */
 
 /**
  * \defgroup beeper Beeper interface
@@ -156,7 +152,6 @@ void beep_long(clock_time_t len);
 
 void beep_quick(int num);
 
-/** @} */
 /** @} */
 
 #endif /* BEEP_H_ */