diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -194,7 +194,6 @@
     kmkernel.cpp
     kmcommands.cpp
     kmreadermainwin.cpp
-    kmstartup.cpp
     kmmainwidget.cpp
     aboutdata.cpp
     mailserviceimpl.cpp
diff --git a/src/kmail_part.cpp b/src/kmail_part.cpp
--- a/src/kmail_part.cpp
+++ b/src/kmail_part.cpp
@@ -28,7 +28,6 @@
 
 #include "kmmainwin.h"
 #include "kmmainwidget.h"
-#include "kmstartup.h"
 #include "aboutdata.h"
 
 #include <QVBoxLayout>
@@ -65,9 +64,6 @@
     KMMigrateApplication migrate;
     migrate.migrate();
 
-    // import i18n data and icons from libraries:
-    KMail::insertLibraryIcons();
-
     //local, do the init
     KMKernel *mKMailKernel = new KMKernel();
     mKMailKernel->init();
diff --git a/src/kmkernel.cpp b/src/kmkernel.cpp
--- a/src/kmkernel.cpp
+++ b/src/kmkernel.cpp
@@ -11,7 +11,6 @@
 #include <AkonadiSearch/PIM/indexeditems.h>
 #include <LibkdepimAkonadi/ProgressManagerAkonadi>
 using KPIM::BroadcastStatus;
-#include "kmstartup.h"
 #include "kmmainwin.h"
 #include "editor/composer.h"
 #include "kmreadermainwin.h"
diff --git a/src/kmstartup.h b/src/kmstartup.h
deleted file mode 100644
--- a/src/kmstartup.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-    This file is part of KMail, the KDE mail client.
-    Copyright (c) 2000 Don Sanders <sanders@kde.org>
-
-    KMail is free software; you can redistribute it and/or modify it
-    under the terms of the GNU General Public License, version 2, as
-    published by the Free Software Foundation.
-
-    KMail is distributed in the hope that it will be useful, but
-    WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    General Public License for more details.
-
-    You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-#ifndef KMSTARTUP
-#define KMSTARTUP
-
-#include "kmail_export.h"
-
-namespace KMail {
-KMAIL_EXPORT void insertLibraryIcons();
-}
-
-#endif
diff --git a/src/kmstartup.cpp b/src/kmstartup.cpp
deleted file mode 100644
--- a/src/kmstartup.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
-    This file is part of KMail, the KDE mail client.
-    Copyright (c) 2000 Don Sanders <sanders@kde.org>
-
-    KMail is free software; you can redistribute it and/or modify it
-    under the terms of the GNU General Public License, version 2, as
-    published by the Free Software Foundation.
-
-    KMail is distributed in the hope that it will be useful, but
-    WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#include "kmstartup.h"
-
-#include <kiconloader.h>
-
-namespace KMail {
-void insertLibraryIcons()
-{
-    static const char *const iconPath[] = {
-        "libkleopatra",
-        "messagelist",
-        "libmessageviewer",
-        "kmail2"
-    };
-
-    KIconLoader *il = KIconLoader::global();
-    unsigned int catalogSize = (sizeof iconPath / sizeof *iconPath);
-    for (unsigned int i = 0; i < catalogSize; ++i) {
-        il->addAppDir(QLatin1String(iconPath[i]));
-    }
-}
-}
diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -30,8 +30,6 @@
 
 #include "aboutdata.h"
 
-#include "kmstartup.h"
-
 #include <QDir>
 #include <QApplication>
 #include <QSessionManager>
@@ -145,9 +143,6 @@
     KMMigrateApplication migrate;
     migrate.migrate();
 
-    // import i18n data and icons from libraries:
-    KMail::insertLibraryIcons();
-
     //local, do the init
     KMKernel kmailKernel;
     kmailKernel.init();