diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 67500f42..21423943 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -35,7 +35,6 @@ if( BUILD_INDEXLIB OR BUILD_KMAIL )
 
   # check for stl coping with namespace std
   tde_save( CMAKE_CXX_FLAGS )
-  string( REGEX REPLACE "-include tqt.h" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
   check_cxx_source_compiles("
       #include <iterator>
       struct s : public std::iterator<std::forward_iterator_tag, int> {};
@@ -149,7 +148,6 @@ if( (BUILD_LIBTDENETWORK OR BUILD_CERTMANAGER OR BUILD_KMAIL OR BUILD_KADDRESSBO
   tde_save( CMAKE_CXX_FLAGS )
   tde_save( CMAKE_REQUIRED_INCLUDES )
   tde_save( CMAKE_REQUIRED_LIBRARIES )
-  string( REGEX REPLACE "-include tqt.h" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
   set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LARGEFILES_DEFINITIONS}")
   set( CMAKE_REQUIRED_INCLUDES "${GPGME_INCLUDE_DIRS}")
   set( CMAKE_REQUIRED_LIBRARIES "${GPGME_LIBRARIES}")
diff --git a/indexlib/CMakeLists.txt b/indexlib/CMakeLists.txt
index f89e4f1a..6f5a42e5 100644
--- a/indexlib/CMakeLists.txt
+++ b/indexlib/CMakeLists.txt
@@ -13,7 +13,6 @@ project( indexlib )
 
 include( ConfigureChecks.cmake )
 
-string( REPLACE "-include tqt.h" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
 set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include compat.h ${USE_EXCEPTIONS}" )
 
 include_directories(
diff --git a/libtdepim/CMakeLists.txt b/libtdepim/CMakeLists.txt
index f96611f3..c604626c 100644
--- a/libtdepim/CMakeLists.txt
+++ b/libtdepim/CMakeLists.txt
@@ -11,8 +11,6 @@
 
 project( libtdepim )
 
-include( ConfigureChecks.cmake )
-
 tde_import( libkmime )
 tde_import( libkcal )
 tde_import( ktnef )
@@ -96,7 +94,7 @@ tde_add_library( tdepim SHARED AUTOMOC
     csshelper.cpp distributionlist.cpp kpimurlrequesterdlg.cpp
     sendsmsdialog.cpp kmailcompletion.cpp
   VERSION 1.0.0
-  LINK kcal-shared tdeimproxy-shared tdeparts-shared ${TQTQUI_LIBRARIES}
+  LINK kcal-shared tdeimproxy-shared tdeparts-shared
   DESTINATION ${LIB_INSTALL_DIR}
 )
 
diff --git a/libtdepim/ConfigureChecks.cmake b/libtdepim/ConfigureChecks.cmake
deleted file mode 100644
index b91f0f8f..00000000
--- a/libtdepim/ConfigureChecks.cmake
+++ /dev/null
@@ -1,12 +0,0 @@
-#################################################
-#
-#  (C) 2010-2011 Serghei Amelian
-#  serghei (DOT) amelian (AT) gmail.com
-#
-#  Improvements and feedback are welcome
-#
-#  This file is released under GPL >= 2
-#
-#################################################
-
-find_package( TQtQUI )