diff --git a/esphome/components/opentherm/opentherm.cpp b/esphome/components/opentherm/opentherm.cpp
index b2751470b2..d59b9584d1 100644
--- a/esphome/components/opentherm/opentherm.cpp
+++ b/esphome/components/opentherm/opentherm.cpp
@@ -7,7 +7,7 @@
 
 #include "opentherm.h"
 #include "esphome/core/helpers.h"
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
 #include "driver/timer.h"
 #include "esp_err.h"
 #endif
@@ -31,7 +31,7 @@ OpenTherm *OpenTherm::instance = nullptr;
 OpenTherm::OpenTherm(InternalGPIOPin *in_pin, InternalGPIOPin *out_pin, int32_t device_timeout)
     : in_pin_(in_pin),
       out_pin_(out_pin),
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
       timer_group_(TIMER_GROUP_0),
       timer_idx_(TIMER_0),
 #endif
@@ -57,7 +57,7 @@ bool OpenTherm::initialize() {
   this->out_pin_->setup();
   this->out_pin_->digital_write(true);
 
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
   return this->init_esp32_timer_();
 #else
   return true;
@@ -238,7 +238,7 @@ void IRAM_ATTR OpenTherm::write_bit_(uint8_t high, uint8_t clock) {
   }
 }
 
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
 
 bool OpenTherm::init_esp32_timer_() {
   // Search for a free timer. Maybe unstable, we'll see.
@@ -365,7 +365,7 @@ void IRAM_ATTR OpenTherm::stop_timer_() {
   }
 }
 
-#endif  // END ESP32
+#endif  // USE_ESP32
 
 #ifdef ESP8266
 // 5 kHz timer_
diff --git a/esphome/components/opentherm/opentherm.h b/esphome/components/opentherm/opentherm.h
index a5822cdfe1..3996481760 100644
--- a/esphome/components/opentherm/opentherm.h
+++ b/esphome/components/opentherm/opentherm.h
@@ -12,7 +12,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
 #include "driver/timer.h"
 #endif
 
@@ -356,7 +356,7 @@ class OpenTherm {
   ISRInternalGPIOPin isr_in_pin_;
   ISRInternalGPIOPin isr_out_pin_;
 
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
   timer_group_t timer_group_;
   timer_idx_t timer_idx_;
 #endif
@@ -370,7 +370,7 @@ class OpenTherm {
   int32_t timeout_counter_;  // <0 no timeout
   int32_t device_timeout_;
 
-#if defined(ESP32) || defined(USE_ESP_IDF)
+#ifdef USE_ESP32
   esp_err_t timer_error_ = ESP_OK;
   TimerErrorType timer_error_type_ = TimerErrorType::NO_TIMER_ERROR;
 
diff --git a/tests/components/opentherm/test.esp32-ard.yaml b/tests/components/opentherm/test.esp32-ard.yaml
deleted file mode 100644
index dade44d145..0000000000
--- a/tests/components/opentherm/test.esp32-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-<<: !include common.yaml
diff --git a/tests/components/opentherm/test.esp32-c3-ard.yaml b/tests/components/opentherm/test.esp32-c3-ard.yaml
deleted file mode 100644
index dade44d145..0000000000
--- a/tests/components/opentherm/test.esp32-c3-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-<<: !include common.yaml