diff --git a/avr/devices/n21/main/main.asm b/avr/devices/n21/main/main.asm
index 952b8f9..147e7b1 100644
--- a/avr/devices/n21/main/main.asm
+++ b/avr/devices/n21/main/main.asm
@@ -47,8 +47,6 @@
 .equ NET_BUFFERS_NUM            = 6
 .equ NET_BUFFERS_SIZE           = 32
 
-.equ PROGRAM_SENSOR_INTERVAL_SECS = 60
-.equ PROGRAM_STATS_INTERVAL_MINS = 10