diff --git a/resources/kolab/pimkolab/CMakeLists.txt b/resources/kolab/pimkolab/CMakeLists.txt
--- a/resources/kolab/pimkolab/CMakeLists.txt
+++ b/resources/kolab/pimkolab/CMakeLists.txt
@@ -12,10 +12,7 @@
     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 endif()
 
-find_package(Boost REQUIRED)
-
 include_directories(
-    ${Boost_INCLUDE_DIRS}
     ${CMAKE_CURRENT_SOURCE_DIR}/kolabformatV2
     ${Libkolabxml_INCLUDES}
     ./
diff --git a/resources/kolab/pimkolab/calendaring/calendaring.h b/resources/kolab/pimkolab/calendaring/calendaring.h
--- a/resources/kolab/pimkolab/calendaring/calendaring.h
+++ b/resources/kolab/pimkolab/calendaring/calendaring.h
@@ -22,8 +22,8 @@
 
 #include <kcalcore/event.h>
 #include <kcalcore/memorycalendar.h>
-#include <boost/scoped_ptr.hpp>
 #include <kolabevent.h>
+#include <memory>
 
 namespace Kolab {
 namespace Calendaring {
@@ -73,7 +73,7 @@
 private:
     Calendar(const Calendar &);
     void operator=(const Calendar &);
-    boost::scoped_ptr<KCalCore::MemoryCalendar> mCalendar;
+    std::unique_ptr<KCalCore::MemoryCalendar> mCalendar;
 };
 }     //Namespace
 } //Namespace
diff --git a/resources/kolab/pimkolab/kolabformat/mimeobject.cpp b/resources/kolab/pimkolab/kolabformat/mimeobject.cpp
--- a/resources/kolab/pimkolab/kolabformat/mimeobject.cpp
+++ b/resources/kolab/pimkolab/kolabformat/mimeobject.cpp
@@ -27,10 +27,12 @@
 #include "kolabformat/v2helpers.h"
 #include "mime/mimeutils.h"
 #include "libkolab-version.h"
+#include "pimkolab_debug.h"
+
 #include <QString>
 #include <KRandom>
-#include <boost/algorithm/string/predicate.hpp>
-#include "pimkolab_debug.h"
+#include <cstring>
+
 Q_DECLARE_METATYPE(Kolab::Event)
 Q_DECLARE_METATYPE(Kolab::Todo)
 Q_DECLARE_METATYPE(Kolab::Journal)
@@ -135,7 +137,7 @@
         return NoteObject;
     } else if (type == freebusyKolabType()) {
         return FreebusyObject;
-    } else if (boost::contains(type, dictKolabType())) { //Previous versions appended the language to the type
+    } else if (strstr(type.c_str(), KOLAB_TYPE_DICT)) { //Previous versions appended the language to the type
         return DictionaryConfigurationObject;
     } else if (type == relationKolabType()) {
         return RelationConfigurationObject;
diff --git a/resources/kolab/pimkolab/utils/CMakeLists.txt b/resources/kolab/pimkolab/utils/CMakeLists.txt
--- a/resources/kolab/pimkolab/utils/CMakeLists.txt
+++ b/resources/kolab/pimkolab/utils/CMakeLists.txt
@@ -1,5 +1,2 @@
-
-find_package(Boost REQUIRED COMPONENTS program_options system thread)
-
 add_executable(kolabformatchecker kolabformatchecker.cpp)
-target_link_libraries(kolabformatchecker pimkolab ${Boost_LIBRARIES} Qt5::Core KF5::AkonadiCore KF5::Contacts KF5::CalendarCore KF5::Mime)
+target_link_libraries(kolabformatchecker pimkolab Qt5::Core KF5::AkonadiCore KF5::Contacts KF5::CalendarCore KF5::Mime)
diff --git a/resources/kolab/pimkolab/utils/kolabformatchecker.cpp b/resources/kolab/pimkolab/utils/kolabformatchecker.cpp
--- a/resources/kolab/pimkolab/utils/kolabformatchecker.cpp
+++ b/resources/kolab/pimkolab/utils/kolabformatchecker.cpp
@@ -16,7 +16,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include <boost/program_options.hpp>
 #include <iostream>
 #include <string>
 #include <vector>
@@ -26,7 +25,6 @@
 #include "kolabformat/errorhandler.h"
 #include "kolabformat/kolabobject.h"
 #include "pimkolab_debug.h"
-namespace po = boost::program_options;
 using namespace std;
 
 KMime::Message::Ptr readMimeFile(const QString &fileName, bool &ok)
@@ -46,30 +44,11 @@
 
 int main(int argc, char *argv[])
 {
-    // Declare the supported options.
-    po::options_description desc("Allowed options");
-    desc.add_options()
-        ("help", "produce help message")
-        ("input-file", po::value<std::vector<std::string> >(), "input files")
-    ;
-
-    po::positional_options_description p;
-    p.add("input-file", -1);
-
-    po::variables_map vm;
-    po::store(po::command_line_parser(argc, argv).
-              options(desc).positional(p).run(), vm);
-    po::notify(vm);
-
-    if (vm.count("help")) {
-        cout << desc << "\n";
-        return 1;
-    }
-
     vector<string> inputFiles;
-    if (vm.count("input-file")) {
-        inputFiles = vm["input-file"].as< vector<string> >();
-    } else {
+    for (int i = 1; i < argc; ++i) {
+        inputFiles.push_back(argv[i]);
+    }
+    if (inputFiles.empty()) {
         cout << "Specify input-file\n";
         return -1;
     }