From 68235f34c550810575f444439ee18f077ca9fa61 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Thu, 24 Sep 2026 14:49:38 +0100
Subject: [PATCH] [automation] Remove dead trigger classes from switch, button,
 binary_sensor and event (#19563)

---
 esphome/components/binary_sensor/automation.h | 35 -----------------
 esphome/components/button/automation.h        |  7 ----
 esphome/components/event/automation.h         | 16 --------
 esphome/components/switch/automation.h        | 38 -------------------
 4 files changed, 96 deletions(-)
 delete mode 100644 esphome/components/event/automation.h
 delete mode 100644 esphome/components/switch/automation.h

diff --git a/esphome/components/binary_sensor/automation.h b/esphome/components/binary_sensor/automation.h
index 15a1a2c8a0..538e231607 100644
--- a/esphome/components/binary_sensor/automation.h
+++ b/esphome/components/binary_sensor/automation.h
@@ -18,26 +18,6 @@ struct MultiClickTriggerEvent {
   uint32_t max_length;
 };
 
-class PressTrigger final : public Trigger<> {
- public:
-  explicit PressTrigger(BinarySensor *parent) {
-    parent->add_on_state_callback([this](bool state) {
-      if (state)
-        this->trigger();
-    });
-  }
-};
-
-class ReleaseTrigger final : public Trigger<> {
- public:
-  explicit ReleaseTrigger(BinarySensor *parent) {
-    parent->add_on_state_callback([this](bool state) {
-      if (!state)
-        this->trigger();
-    });
-  }
-};
-
 bool match_interval(uint32_t min_length, uint32_t max_length, uint32_t length);
 
 class ClickTrigger final : public Trigger<> {
@@ -140,21 +120,6 @@ template<size_t N> class MultiClickTrigger final : public MultiClickTriggerBase
   std::array<MultiClickTriggerEvent, N> timing_storage_{};
 };
 
-class StateTrigger final : public Trigger<bool> {
- public:
-  explicit StateTrigger(BinarySensor *parent) {
-    parent->add_on_state_callback([this](bool state) { this->trigger(state); });
-  }
-};
-
-class StateChangeTrigger final : public Trigger<optional<bool>, optional<bool> > {
- public:
-  explicit StateChangeTrigger(BinarySensor *parent) {
-    parent->add_full_state_callback(
-        [this](optional<bool> old_state, optional<bool> state) { this->trigger(old_state, state); });
-  }
-};
-
 template<typename... Ts> class BinarySensorInvalidateAction final : public Action<Ts...> {
  public:
   explicit BinarySensorInvalidateAction(BinarySensor *sensor) : sensor_(sensor) {}
diff --git a/esphome/components/button/automation.h b/esphome/components/button/automation.h
index d55d43ea37..683328b394 100644
--- a/esphome/components/button/automation.h
+++ b/esphome/components/button/automation.h
@@ -16,11 +16,4 @@ template<typename... Ts> class PressAction final : public Action<Ts...> {
   Button *button_;
 };
 
-class ButtonPressTrigger final : public Trigger<> {
- public:
-  ButtonPressTrigger(Button *button) {
-    button->add_on_press_callback([this]() { this->trigger(); });
-  }
-};
-
 }  // namespace esphome::button
diff --git a/esphome/components/event/automation.h b/esphome/components/event/automation.h
deleted file mode 100644
index ee1d1a13c4..0000000000
--- a/esphome/components/event/automation.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#pragma once
-
-#include "esphome/components/event/event.h"
-#include "esphome/core/automation.h"
-#include "esphome/core/component.h"
-
-namespace esphome::event {
-
-class EventTrigger final : public Trigger<StringRef> {
- public:
-  EventTrigger(Event *event) {
-    event->add_on_event_callback([this](StringRef event_type) { this->trigger(event_type); });
-  }
-};
-
-}  // namespace esphome::event
diff --git a/esphome/components/switch/automation.h b/esphome/components/switch/automation.h
deleted file mode 100644
index 8c7a3a725b..0000000000
--- a/esphome/components/switch/automation.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#pragma once
-
-#include "esphome/core/component.h"
-#include "esphome/core/automation.h"
-#include "esphome/components/switch/switch.h"
-
-namespace esphome::switch_ {
-
-class SwitchStateTrigger final : public Trigger<bool> {
- public:
-  SwitchStateTrigger(Switch *a_switch) {
-    a_switch->add_on_state_callback([this](bool state) { this->trigger(state); });
-  }
-};
-
-class SwitchTurnOnTrigger final : public Trigger<> {
- public:
-  SwitchTurnOnTrigger(Switch *a_switch) {
-    a_switch->add_on_state_callback([this](bool state) {
-      if (state) {
-        this->trigger();
-      }
-    });
-  }
-};
-
-class SwitchTurnOffTrigger final : public Trigger<> {
- public:
-  SwitchTurnOffTrigger(Switch *a_switch) {
-    a_switch->add_on_state_callback([this](bool state) {
-      if (!state) {
-        this->trigger();
-      }
-    });
-  }
-};
-
-}  // namespace esphome::switch_