diff --git a/sw/airborne/booz/arch/lpc21/booz2_analog_hw.c b/sw/airborne/booz/arch/lpc21/booz2_analog_hw.c
index ac5c638837..f0e6faec6a 100644
--- a/sw/airborne/booz/arch/lpc21/booz2_analog_hw.c
+++ b/sw/airborne/booz/arch/lpc21/booz2_analog_hw.c
@@ -131,10 +131,10 @@ void ADC1_ISR ( void ) {
 #include "LPC21xx.h"
 #include "sys_time.h"
 
-uint16_t booz2_adc_1; 
-uint16_t booz2_adc_2; 
-uint16_t booz2_adc_3; 
-uint16_t booz2_adc_4; 
+uint16_t booz2_adc_1;
+uint16_t booz2_adc_2;
+uint16_t booz2_adc_3;
+uint16_t booz2_adc_4;
 
 void booz2_analog_init_hw( void ) {
 
@@ -184,10 +184,10 @@ void booz2_analog_init_hw( void ) {
   AD1CR |= 1 << 0;
 #endif
 
-  booz2_adc_1 = 0; 
-  booz2_adc_2 = 0; 
-  booz2_adc_3 = 0; 
-  booz2_adc_4 = 0; 
+  booz2_adc_1 = 0;
+  booz2_adc_2 = 0;
+  booz2_adc_3 = 0;
+  booz2_adc_4 = 0;
 }
 
 void booz2_analog_baro_read(void) {
@@ -226,5 +226,4 @@ void booz2_analog_extra_adc_read(void) {
 #endif
 }
 
-#endif
-
+#endif // USE_EXTRA_ADC
diff --git a/sw/airborne/booz/booz2_analog.c b/sw/airborne/booz/booz2_analog.c
index bb10efaa22..2e0f153b78 100644
--- a/sw/airborne/booz/booz2_analog.c
+++ b/sw/airborne/booz/booz2_analog.c
@@ -1,6 +1,6 @@
 /*
  * $Id$
- *  
+ *
  * Copyright (C) 2008-2009 Antoine Drouin <poinix@gmail.com>
  *
  * This file is part of paparazzi.
@@ -18,7 +18,7 @@
  * You should have received a copy of the GNU General Public License
  * along with paparazzi; see the file COPYING.  If not, write to
  * the Free Software Foundation, 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA. 
+ * Boston, MA 02111-1307, USA.
  */
 
 #include "booz2_analog.h"
@@ -47,4 +47,3 @@ void booz2_analog_periodic( void ) {
   RunOnceEvery(50,booz2_analog_bat_read());
 }
 #endif
-