diff --git a/esphome/components/climate_ir/climate_ir.cpp b/esphome/components/climate_ir/climate_ir.cpp
index 92a5b2423a..8f06ff2214 100644
--- a/esphome/components/climate_ir/climate_ir.cpp
+++ b/esphome/components/climate_ir/climate_ir.cpp
@@ -116,7 +116,6 @@ void ClimateIR::dump_config() {
   ESP_LOGCONFIG(TAG, "  Supports HEAT: %s", YESNO(this->supports_heat_));
   ESP_LOGCONFIG(TAG, "  Supports COOL: %s", YESNO(this->supports_cool_));
 }
-bool ClimateIR::on_receive(remote_base::RemoteReceiveData data) { return false; }
 
 }  // namespace climate_ir
 }  // namespace esphome
diff --git a/esphome/components/climate_ir/climate_ir.h b/esphome/components/climate_ir/climate_ir.h
index 82bf4247b0..7a69b19786 100644
--- a/esphome/components/climate_ir/climate_ir.h
+++ b/esphome/components/climate_ir/climate_ir.h
@@ -63,9 +63,6 @@ class ClimateIR : public climate::Climate, public Component, public remote_base:
 
   remote_transmitter::RemoteTransmitterComponent *transmitter_;
   sensor::Sensor *sensor_{nullptr};
-
-  /// Handle received IR Buffer, so it is optional to implement
-  bool on_receive(remote_base::RemoteReceiveData data) override;
 };
 
 }  // namespace climate_ir
diff --git a/tests/test1.yaml b/tests/test1.yaml
index 1080339b67..043fafc9c3 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -1192,7 +1192,8 @@ climate:
     name: Fujitsu General Climate
   - platform: yashima
     name: Yashima Climate
-
+  - platform: mitsubishi
+    name: Mitsubishi
 
 switch:
   - platform: gpio