diff --git a/src/servers/registrar/Jamfile b/src/servers/registrar/Jamfile
index b692aa3bbf..638fe4371e 100644
--- a/src/servers/registrar/Jamfile
+++ b/src/servers/registrar/Jamfile
@@ -10,7 +10,6 @@ Server obos_registrar :
 	MIMEManager.cpp
 	Registrar.cpp
 	RosterAppInfo.cpp
-	ThreadManager.cpp
 	TRoster.cpp
 ;
 LinkSharedOSLibs obos_registrar :