diff --git a/presence/tach_detect.cpp b/presence/tach_detect.cpp
index 3527105..5c1fbc9 100644
--- a/presence/tach_detect.cpp
+++ b/presence/tach_detect.cpp
@@ -41,9 +41,7 @@
     // jsonConfig will call config::start when
     // the conf file is available.
     phosphor::fan::JsonConfig jsonConfig{
-        bus, presence::confAppName, presence::confFileName,
-        std::bind(&presence::JsonConfig::start, &config,
-                  std::placeholders::_1)};
+        std::bind(&presence::JsonConfig::start, &config)};
 
     stdplus::signal::block(SIGHUP);
     sdeventplus::source::Signal signal(