diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 76713c54c8..58f10464c3 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1590,10 +1590,12 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
   // Do not set last_traffic_ on send
   return true;
 }
+#ifdef USE_API_PASSWORD
 void APIConnection::on_unauthenticated_access() {
   this->on_fatal_error();
   ESP_LOGD(TAG, "%s access without authentication", this->get_client_combined_info().c_str());
 }
+#endif
 void APIConnection::on_no_setup_connection() {
   this->on_fatal_error();
   ESP_LOGD(TAG, "%s access without full connection", this->get_client_combined_info().c_str());
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index 6214d5ba82..2c6074c046 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -228,7 +228,9 @@ class APIConnection : public APIServerConnection {
   }
   uint8_t get_log_subscription_level() const { return this->flags_.log_subscription; }
   void on_fatal_error() override;
+#ifdef USE_API_PASSWORD
   void on_unauthenticated_access() override;
+#endif
   void on_no_setup_connection() override;
   ProtoWriteBuffer create_buffer(uint32_t reserve_size) override {
     // FIXME: ensure no recursive writes can happen
diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index 44f9716516..771eaa98d1 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -860,7 +860,9 @@ class ProtoService {
   virtual bool is_authenticated() = 0;
   virtual bool is_connection_setup() = 0;
   virtual void on_fatal_error() = 0;
+#ifdef USE_API_PASSWORD
   virtual void on_unauthenticated_access() = 0;
+#endif
   virtual void on_no_setup_connection() = 0;
   /**
    * Create a buffer with a reserved size.
@@ -898,6 +900,7 @@ class ProtoService {
   }
 
   bool check_authenticated_() {
+#ifdef USE_API_PASSWORD
     if (!this->check_connection_setup_()) {
       return false;
     }
@@ -906,6 +909,9 @@ class ProtoService {
       return false;
     }
     return true;
+#else
+    return this->check_connection_setup_();
+#endif
   }
 };