diff --git a/esphome/components/bl0910/bl0910.cpp b/esphome/components/bl0910/bl0910.cpp
index 67c9da4bff..d2fba1becd 100644
--- a/esphome/components/bl0910/bl0910.cpp
+++ b/esphome/components/bl0910/bl0910.cpp
@@ -10,7 +10,7 @@ namespace bl0910 {
 
 static const char *const TAG = "bl0910";
 
-static uint8_t checksum_calc(uint8_t *data) {
+static uint8_t checksum_calc(const uint8_t *data) {
   uint8_t checksum = 0;
   for (int i = 0; i < 5; i++) {
     checksum += data[i];
@@ -74,12 +74,12 @@ float BL0910::get_energy(uint8_t channel) {
   return ((float) this->read_register(BL0910_REG_CF_CNT[channel])) / this->energy_reference_[channel];
 }
 
-float BL0910::get_frequency(void) {
+float BL0910::get_frequency() {
   const float freq = (float) this->read_register(BL0910_REG_PERIOD);
   return 10000000.0 / freq;
 }
 
-float BL0910::get_temperature(void) {
+float BL0910::get_temperature() {
   const float temp = (float) this->read_register(BL0910_REG_TPS1);
   return (temp - 64.0) * 12.5 / 59.0 - 40.0;
 }
diff --git a/esphome/components/bl0910/bl0910.h b/esphome/components/bl0910/bl0910.h
index 26e5c3cd18..f183b95db6 100644
--- a/esphome/components/bl0910/bl0910.h
+++ b/esphome/components/bl0910/bl0910.h
@@ -72,11 +72,11 @@ class BL0910 : public PollingComponent,
   void write_register(uint8_t addr, uint8_t data_h, uint8_t data_m, uint8_t data_l);
   int32_t read_register(uint8_t addr);
   float get_voltage(uint8_t channel);
-  float get_frequency(void);
+  float get_frequency();
   float get_current(uint8_t channel);
   float get_power(uint8_t channel);
   float get_energy(uint8_t channel);
-  float get_temperature(void);
+  float get_temperature();
   float get_powerfactor(uint8_t channel, float freq);
 };
 }  // namespace bl0910