diff --git a/src/session/Manager.cc b/src/session/Manager.cc
index ef5ce4a76d..611cdc630e 100644
--- a/src/session/Manager.cc
+++ b/src/session/Manager.cc
@@ -2,24 +2,19 @@
 
 #include "zeek/session/Manager.h"
 
-#include "zeek/zeek-config.h"
-
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <pcap.h>
 #include <unistd.h>
 #include <cstdlib>
 
-#include "zeek/Desc.h"
-#include "zeek/Event.h"
+#include "zeek/Conn.h"
 #include "zeek/NetVar.h"
 #include "zeek/Reporter.h"
 #include "zeek/RuleMatcher.h"
 #include "zeek/RunState.h"
 #include "zeek/Timer.h"
 #include "zeek/TunnelEncapsulation.h"
-#include "zeek/analyzer/Manager.h"
-#include "zeek/iosource/IOSource.h"
 #include "zeek/packet_analysis/Manager.h"
 #include "zeek/session/Session.h"
 #include "zeek/telemetry/Manager.h"