diff --git a/modules/bindbackend/bindbackend2.cc b/modules/bindbackend/bindbackend2.cc
index 78c8f0c6aa27..a42768c584a9 100644
--- a/modules/bindbackend/bindbackend2.cc
+++ b/modules/bindbackend/bindbackend2.cc
@@ -53,7 +53,6 @@
 #include "pdns/misc.hh"
 #include "pdns/dynlistener.hh"
 #include "pdns/lock.hh"
-#include "pdns/namespaces.hh"
 
 /* 
    All instances of this backend share one s_state, which is indexed by zone name and zone id.
diff --git a/pdns/dynloader.cc b/pdns/dynloader.cc
index 212a416133f4..3925efcd702b 100644
--- a/pdns/dynloader.cc
+++ b/pdns/dynloader.cc
@@ -43,7 +43,6 @@
 #include "statbag.hh"
 #include "misc.hh"
 #include "namespaces.hh"
-#include "namespaces.hh"
 
 ArgvMap &arg()
 {
diff --git a/pdns/notify.cc b/pdns/notify.cc
index 69fb936813cb..e3fd5d337804 100644
--- a/pdns/notify.cc
+++ b/pdns/notify.cc
@@ -40,7 +40,6 @@
 #include "version.hh"
 #include "namespaces.hh"
 using namespace ::boost::multi_index;
-#include "namespaces.hh"
 
 namespace po = boost::program_options;
 po::variables_map g_vm;
diff --git a/pdns/nproxy.cc b/pdns/nproxy.cc
index 44d2f31d9f67..167b15a405b1 100644
--- a/pdns/nproxy.cc
+++ b/pdns/nproxy.cc
@@ -44,7 +44,6 @@
 
 #include "namespaces.hh"
 using namespace ::boost::multi_index;
-#include "namespaces.hh"
 
 namespace po = boost::program_options;
 po::variables_map g_vm;
diff --git a/pdns/sstuff.hh b/pdns/sstuff.hh
index 7f61a4f8b18b..2869d141becf 100644
--- a/pdns/sstuff.hh
+++ b/pdns/sstuff.hh
@@ -37,7 +37,6 @@
 #include <boost/utility.hpp>
 #include <csignal>
 #include "namespaces.hh"
-#include "namespaces.hh"
 
 
 typedef int ProtocolType; //!< Supported protocol types