diff --git a/src/defines.h b/src/defines.h
index 7965cf9..d698f75 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -11,8 +11,6 @@
 
 #define EXT_SENSORS_INTERVAL        5000
 #define EXT_SENSORS_FILTER_K        0.15
-#define DS_CHECK_CRC                true
-#define DS_CRC_USE_TABLE            true
 
 #define LED_STATUS_PIN              13
 #define LED_OT_RX_PIN               15