diff --git a/avr/devices/n29/main/main.asm b/avr/devices/n29/main/main.asm
index 291db38..47dc620 100644
--- a/avr/devices/n29/main/main.asm
+++ b/avr/devices/n29/main/main.asm
@@ -68,7 +68,7 @@
 ;#define MODULES_LCD
 ;#define LCD_MINIMAL_FONT
 #define MODULES_SI7021
-#define MODULES_SGP30
+;#define MODULES_SGP30
 ;#define MODULES_SGP40
 ;#define MODULES_STATS
 ;#define MODULES_OWI_MASTER
@@ -94,11 +94,6 @@
 ;.equ VALUE_ID_DS18B20_TEMP     = 0x06
 .equ VALUE_ID_MOTION           = 0x07
 
-;.equ VALUE_ID_SGP40_TVOC       = 0x08
-
-.equ VALUE_ID_SGP30_TVOC       = 0x09
-.equ VALUE_ID_SGP30_CO2        = 0x0a
-
 .equ VALUE_ID_BRIGHTNESS       = 0x0b
 
 .equ VALUE_ID_LEDSIMPLE_TIMING = 0x88