diff --git a/sw/airborne/math/pprz_geodetic_double.h b/sw/airborne/math/pprz_geodetic_double.h
index 69df6f8e44..5903506386 100644
--- a/sw/airborne/math/pprz_geodetic_double.h
+++ b/sw/airborne/math/pprz_geodetic_double.h
@@ -48,8 +48,6 @@ struct EcefCoor_d {
 
 /**
  * @brief vector in Latitude, Longitude and Altitude
- * @details Units lat,lon: radians
- * Unit alt: meters above MSL
  */
 struct LlaCoor_d {
   double lon; ///< in radians
diff --git a/sw/airborne/math/pprz_geodetic_float.h b/sw/airborne/math/pprz_geodetic_float.h
index 9d021880ad..7d964bf742 100644
--- a/sw/airborne/math/pprz_geodetic_float.h
+++ b/sw/airborne/math/pprz_geodetic_float.h
@@ -48,8 +48,6 @@ struct EcefCoor_f {
 
 /**
  * @brief vector in Latitude, Longitude and Altitude
- * @details Units lat,lon: radians
- * Unit alt: meters above MSL
  */
 struct LlaCoor_f {
   float lon; ///< in radians
diff --git a/sw/airborne/math/pprz_geodetic_int.h b/sw/airborne/math/pprz_geodetic_int.h
index ddd35318fe..f17ff2dc5a 100644
--- a/sw/airborne/math/pprz_geodetic_int.h
+++ b/sw/airborne/math/pprz_geodetic_int.h
@@ -50,8 +50,6 @@ struct EcefCoor_i {
 
 /**
  * @brief vector in Latitude, Longitude and Altitude
- * @details Units lat,lon: radians*1e7
- * Unit alt: centimeters above MSL
  */
 struct LlaCoor_i {
   int32_t lon; ///< in radians*1e7