diff --git a/include/zh_ac_dimmer.h b/include/zh_ac_dimmer.h
index d165590..96abb27 100644
--- a/include/zh_ac_dimmer.h
+++ b/include/zh_ac_dimmer.h
@@ -23,10 +23,9 @@ extern "C"
 
     typedef struct // Structure for initial initialization of AC dimmer.
     {
-        uint8_t ac_dimmer_frequency; // AC frequency.
-        uint8_t zero_cross_gpio;     // Zero cross GPIO.
-        uint8_t triac_gpio;          // Triac GPIO.
-        uint8_t triac_time;          // Triac turn-on time (in microseconds). Depends on the type of triac. Tested on BTA16-600.
+        uint8_t zero_cross_gpio; // Zero cross GPIO.
+        uint8_t triac_gpio;      // Triac GPIO.
+        uint8_t triac_time;      // Triac turn-on time (in microseconds). Depends on the type of triac. Tested on BTA16-600.
     } zh_ac_dimmer_init_config_t;
 
     /**