diff --git a/esphome/components/pid/pid_climate.cpp b/esphome/components/pid/pid_climate.cpp
index 25aae7c4cb..ba3b8ec98a 100644
--- a/esphome/components/pid/pid_climate.cpp
+++ b/esphome/components/pid/pid_climate.cpp
@@ -165,7 +165,7 @@ void PIDClimate::start_autotune(std::unique_ptr<PIDAutotuner> &&autotune) {
   this->autotuner_->config(min_value, max_value);
   char object_id_buf[OBJECT_ID_MAX_LEN];
   StringRef object_id = this->get_object_id_to(object_id_buf);
-  this->autotuner_->set_autotuner_id(std::string(object_id.c_str()));
+  this->autotuner_->set_autotuner_id(object_id.str());
 
   ESP_LOGI(TAG,
            "%s: Autotune has started. This can take a long time depending on the "
diff --git a/esphome/components/prometheus/prometheus_handler.cpp b/esphome/components/prometheus/prometheus_handler.cpp
index 95ddc87b7e..9ae4a74718 100644
--- a/esphome/components/prometheus/prometheus_handler.cpp
+++ b/esphome/components/prometheus/prometheus_handler.cpp
@@ -117,7 +117,7 @@ std::string PrometheusHandler::relabel_id_(EntityBase *obj) {
   }
   char object_id_buf[OBJECT_ID_MAX_LEN];
   StringRef object_id = obj->get_object_id_to(object_id_buf);
-  return std::string(object_id.c_str());
+  return object_id.str();
 }
 
 std::string PrometheusHandler::relabel_name_(EntityBase *obj) {