diff --git a/daemon/mdns_client.hpp b/daemon/mdns_client.hpp
index 8982dfa..bfe1ecf 100644
--- a/daemon/mdns_client.hpp
+++ b/daemon/mdns_client.hpp
@@ -55,6 +55,7 @@ class MDNSClient {
   virtual void on_remove_rtsp_source(const std::string& name,
                                      const std::string& domain){};
 
+#ifdef _USE_AVAHI_
   static void resolve_callback(AvahiServiceResolver* r,
                                AvahiIfIndex interface,
                                AvahiProtocol protocol,
@@ -80,6 +81,7 @@ class MDNSClient {
   static void client_callback(AvahiClient* c,
                               AvahiClientState state,
                               void* userdata);
+#endif
 
   void process_results();
 
diff --git a/daemon/mdns_server.hpp b/daemon/mdns_server.hpp
index b00b1f9..3e02fe6 100644
--- a/daemon/mdns_server.hpp
+++ b/daemon/mdns_server.hpp
@@ -55,6 +55,7 @@ class MDNSServer {
   bool remove_service(const std::string& name);
 
  protected:
+#ifdef _USE_AVAHI_
   static void entry_group_callback(AvahiEntryGroup* g,
                                    AvahiEntryGroupState state,
                                    void* userdata);
@@ -63,6 +64,7 @@ class MDNSServer {
                               void* userdata);
 
   bool create_services(AvahiClient* client);
+#endif
 
  private:
   std::atomic_bool running_{false};