diff --git a/esphome/components/api/api_pb2_service.h b/esphome/components/api/api_pb2_service.h
index 6d399554b5..c3f4a101b0 100644
--- a/esphome/components/api/api_pb2_service.h
+++ b/esphome/components/api/api_pb2_service.h
@@ -17,25 +17,6 @@ class APIServerConnectionBase : public ProtoService {
  public:
 #endif
 
- protected:
-  bool check_connection_setup_() {
-    if (!this->is_connection_setup()) {
-      this->on_no_setup_connection();
-      return false;
-    }
-    return true;
-  }
-  bool check_authenticated_() {
-    if (!this->check_connection_setup_()) {
-      return false;
-    }
-    if (!this->is_authenticated()) {
-      this->on_unauthenticated_access();
-      return false;
-    }
-    return true;
-  }
-
  public:
   template<typename T> bool send_message(const T &msg) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index 6ece509c8d..e850236db6 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -379,6 +379,26 @@ class ProtoService {
     // Send the buffer
     return this->send_buffer(buffer, message_type);
   }
+
+  // Authentication helper methods
+  bool check_connection_setup_() {
+    if (!this->is_connection_setup()) {
+      this->on_no_setup_connection();
+      return false;
+    }
+    return true;
+  }
+
+  bool check_authenticated_() {
+    if (!this->check_connection_setup_()) {
+      return false;
+    }
+    if (!this->is_authenticated()) {
+      this->on_unauthenticated_access();
+      return false;
+    }
+    return true;
+  }
 };
 
 }  // namespace api
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index 62eda33aa3..4d2c580ab1 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -1352,26 +1352,7 @@ def main() -> None:
     hpp += " public:\n"
     hpp += "#endif\n\n"
 
-    # Add authentication check helper methods
-    hpp += " protected:\n"
-    hpp += "  bool check_connection_setup_() {\n"
-    hpp += "    if (!this->is_connection_setup()) {\n"
-    hpp += "      this->on_no_setup_connection();\n"
-    hpp += "      return false;\n"
-    hpp += "    }\n"
-    hpp += "    return true;\n"
-    hpp += "  }\n"
-    hpp += "  bool check_authenticated_() {\n"
-    hpp += "    if (!this->check_connection_setup_()) {\n"
-    hpp += "      return false;\n"
-    hpp += "    }\n"
-    hpp += "    if (!this->is_authenticated()) {\n"
-    hpp += "      this->on_unauthenticated_access();\n"
-    hpp += "      return false;\n"
-    hpp += "    }\n"
-    hpp += "    return true;\n"
-    hpp += "  }\n"
-    hpp += " public:\n\n"
+    hpp += " public:\n"
 
     # Add generic send_message method
     hpp += "  template<typename T>\n"