diff --git a/esphome/components/hdmi_cec/hdmi_cec.cpp b/esphome/components/hdmi_cec/hdmi_cec.cpp
index 6489618b29d..12a8d708caa 100644
--- a/esphome/components/hdmi_cec/hdmi_cec.cpp
+++ b/esphome/components/hdmi_cec/hdmi_cec.cpp
@@ -235,13 +235,6 @@ bool HDMICEC::send(uint8_t source, uint8_t destination, const uint8_t *payload_b
   return xmit_.queue_for_send(source, destination, payload_bytes, payload_size);
 }
 
-inline void IRAM_ATTR CECTransmit::set_pin_input_high() { pin_->pin_mode(gpio::FLAG_INPUT | gpio::FLAG_PULLUP); }
-
-inline void IRAM_ATTR CECTransmit::set_pin_output_low() {
-  pin_->pin_mode(gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN);
-  pin_->digital_write(false);
-}
-
 void CECTransmit::setup(InternalGPIOPin *pin) {
   // This CEC software component optionally uses a UART to transmit (write) on the cec bus.
   // When used, the uart output pin is connected to the GPIO CEC pin through a diode: cathode to uart pin.
diff --git a/esphome/components/hdmi_cec/hdmi_cec.h b/esphome/components/hdmi_cec/hdmi_cec.h
index f11f88fd3dc..039c9c47f0f 100644
--- a/esphome/components/hdmi_cec/hdmi_cec.h
+++ b/esphome/components/hdmi_cec/hdmi_cec.h
@@ -144,8 +144,12 @@ class CECTransmit {
   bool is_idle() const { return send_queue_.is_empty() && (transmit_state_ == TransmitState::IDLE); }
   void set_uart(uart::UARTComponent *uart) { uart_ = uart; }
   bool has_uart() const { return uart_ != nullptr; }
-  void set_pin_input_high();
-  void set_pin_output_low();
+  // Note: 'ESPHOME_ALWAYS_INLINE' allows the following methods to be also used in 'IRAM_ATTR' methods.
+  ESPHOME_ALWAYS_INLINE void set_pin_input_high() { pin_->pin_mode(gpio::FLAG_INPUT | gpio::FLAG_PULLUP); }
+  ESPHOME_ALWAYS_INLINE void set_pin_output_low() {
+    pin_->pin_mode(gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN);
+    pin_->digital_write(false);
+  }
 
   /**
    * Transmit the message on the front of the send_queue out on the CEC line