diff --git a/esphome/components/dallas_temp/dallas_temp.cpp b/esphome/components/dallas_temp/dallas_temp.cpp
index 2721383ae8..45101e4981 100644
--- a/esphome/components/dallas_temp/dallas_temp.cpp
+++ b/esphome/components/dallas_temp/dallas_temp.cpp
@@ -5,6 +5,8 @@ namespace esphome::dallas_temp {
 
 ESPHOME_LOG_TAG(TAG, "dallas.temp.sensor");
 
+static constexpr uint32_t CONVERSION_TIMEOUT_ID = 0;
+
 static const uint8_t DALLAS_MODEL_DS18S20 = 0x10;
 static const uint8_t DALLAS_MODEL_DS18B20 = 0x28;
 static const uint8_t DALLAS_COMMAND_START_CONVERSION = 0x44;
@@ -44,7 +46,7 @@ void DallasTemperatureSensor::update() {
 
   this->send_command_(DALLAS_COMMAND_START_CONVERSION);
 
-  this->set_timeout(this->get_address_name().c_str(), this->millis_to_wait_for_conversion_(), [this] {
+  this->set_timeout(CONVERSION_TIMEOUT_ID, this->millis_to_wait_for_conversion_(), [this] {
     if (!this->read_scratch_pad_() || !this->check_scratch_pad_()) {
       this->publish_state(NAN);
       return;
diff --git a/esphome/components/one_wire/one_wire.cpp b/esphome/components/one_wire/one_wire.cpp
index 65a9962349..e950472072 100644
--- a/esphome/components/one_wire/one_wire.cpp
+++ b/esphome/components/one_wire/one_wire.cpp
@@ -4,19 +4,6 @@ namespace esphome::one_wire {
 
 ESPHOME_LOG_TAG(TAG, "one_wire");
 
-const std::string &OneWireDevice::get_address_name() {
-  if (this->address_name_.empty()) {
-    char hex_buf[19];  // "0x" + 16 hex chars + null
-    this->address_name_ = format_hex_prefixed_to(hex_buf, this->address_);
-  }
-  return this->address_name_;
-}
-
-void OneWireDevice::set_address(uint64_t address) {
-  this->address_ = address;
-  this->address_name_.clear();
-}
-
 bool OneWireDevice::send_command_(uint8_t cmd) {
   if (!this->bus_->select(this->address_))
     return false;
diff --git a/esphome/components/one_wire/one_wire.h b/esphome/components/one_wire/one_wire.h
index 4dbbe11792..e3abb95bb7 100644
--- a/esphome/components/one_wire/one_wire.h
+++ b/esphome/components/one_wire/one_wire.h
@@ -7,14 +7,17 @@
 namespace esphome::one_wire {
 
 #define LOG_ONE_WIRE_DEVICE(this) \
-  ESP_LOGCONFIG(TAG, "  Address: %s (%s)", this->get_address_name().c_str(), \
-                LOG_STR_ARG(this->bus_->get_model_str(this->address_ & 0xff)));
+  do { \
+    char address_buf[format_hex_prefixed_size(sizeof(uint64_t))]; \
+    ESP_LOGCONFIG(TAG, "  Address: %s (%s)", format_hex_prefixed_to(address_buf, (this)->address_), \
+                  LOG_STR_ARG((this)->bus_->get_model_str((this)->address_ & 0xff))); \
+  } while (0)
 
 class OneWireDevice {
  public:
   /// @brief store the address of the device
   /// @param address of the device
-  void set_address(uint64_t address);
+  void set_address(uint64_t address) { this->address_ = address; }
 
   void set_index(uint8_t index) { this->index_ = index; }
 
@@ -22,16 +25,12 @@ class OneWireDevice {
   /// @param bus pointer to the OneWireBus object
   void set_one_wire_bus(OneWireBus *bus) { this->bus_ = bus; }
 
-  /// Helper to create (and cache) the name for this sensor. For example "0xfe0000031f1eaf29".
-  const std::string &get_address_name();
-
  protected:
   static constexpr uint8_t INDEX_NOT_SET = 255;
 
   uint64_t address_{0};
   uint8_t index_{INDEX_NOT_SET};
   OneWireBus *bus_{nullptr};  ///< pointer to OneWireBus instance
-  std::string address_name_;
 
   /// @brief find an address if necessary
   /// should be called from setup