diff --git a/esphome/components/mhz19/mhz19.cpp b/esphome/components/mhz19/mhz19.cpp
index 8f46e288b6..4c29e80e0e 100644
--- a/esphome/components/mhz19/mhz19.cpp
+++ b/esphome/components/mhz19/mhz19.cpp
@@ -51,7 +51,6 @@ void MHZ19Component::update() {
 }
 
 bool MHZ19Component::mhz19_write_command_(const uint8_t *command, uint8_t *response) {
-  this->flush();
   this->write_array(command, MHZ19_REQUEST_LENGTH);
   this->write_byte(mhz19_checksum(command));