diff --git a/esphome/components/wifi/wifi_component.cpp b/esphome/components/wifi/wifi_component.cpp
index 4a76603691..a47cba169a 100644
--- a/esphome/components/wifi/wifi_component.cpp
+++ b/esphome/components/wifi/wifi_component.cpp
@@ -343,10 +343,6 @@ void WiFiComponent::set_sta(const WiFiAP &ap) {
   this->add_sta(ap);
   this->selected_sta_index_ = 0;
 }
-void WiFiComponent::clear_sta() {
-  this->sta_.clear();
-  this->selected_sta_index_ = -1;
-}
 
 WiFiAP WiFiComponent::build_wifi_ap_from_selected_() const {
   // PRECONDITION: selected_sta_index_ must be valid (ensured by all callers)
diff --git a/esphome/components/wifi/wifi_component.h b/esphome/components/wifi/wifi_component.h
index a457ae6bd9..394f00fd57 100644
--- a/esphome/components/wifi/wifi_component.h
+++ b/esphome/components/wifi/wifi_component.h
@@ -222,7 +222,10 @@ class WiFiComponent : public Component {
   WiFiAP get_sta() const;
   void init_sta(size_t count);
   void add_sta(const WiFiAP &ap);
-  void clear_sta();
+  void clear_sta() {
+    this->sta_.clear();
+    this->selected_sta_index_ = -1;
+  }
 
 #ifdef USE_WIFI_AP
   /** Setup an Access Point that should be created if no connection to a station can be made.