diff --git a/src/main.cpp b/src/main.cpp
index 64ca1ba..ac04f0e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -45,9 +45,6 @@
 #define SENSOR_I2C_SCK    D5 /**< GPIO14 - I2C clock pin */
 #define SENSOR_I2C_SDI    D1 /**< GPIO5  - I2C data pin */
 
-#define PM1006_BIT_RATE 9600
-#define PM1006_MQTT_UPDATE 5000 /**< Check the sensor every 10 seconds; New measurement is done every 20seconds by the sensor */
-
 #define SEALEVELPRESSURE_HPA (1013.25)
 
 #define BUTTON_MAX_CYCLE        10000U  /**< Action: Reset configuration */