diff --git a/esphome/core/component.cpp b/esphome/core/component.cpp
index 89ac0c7a2a..caaea89143 100644
--- a/esphome/core/component.cpp
+++ b/esphome/core/component.cpp
@@ -272,9 +272,6 @@ void Component::call() {
       break;
   }
 }
-const LogString *Component::get_component_log_str() const {
-  return this->component_source_ == nullptr ? LOG_STR("<unknown>") : this->component_source_;
-}
 bool Component::should_warn_of_blocking(uint32_t blocking_time) {
   if (blocking_time > this->warn_if_blocking_over_) {
     // Prevent overflow when adding increment - if we're about to overflow, just max out
diff --git a/esphome/core/component.h b/esphome/core/component.h
index 119681f64c..46cd77b034 100644
--- a/esphome/core/component.h
+++ b/esphome/core/component.h
@@ -294,7 +294,9 @@ class Component {
    *
    * Returns LOG_STR("<unknown>") if source not set
    */
-  const LogString *get_component_log_str() const;
+  const LogString *get_component_log_str() const {
+    return this->component_source_ == nullptr ? LOG_STR("<unknown>") : this->component_source_;
+  }
 
   bool should_warn_of_blocking(uint32_t blocking_time);