diff --git a/acinclude.m4.in b/acinclude.m4.in
index 0dd2272..8f5e9d5 100644
--- a/acinclude.m4.in
+++ b/acinclude.m4.in
@@ -1042,12 +1042,6 @@ EOF
 if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
 cat >> conftest.$ac_ext <<EOF
-#include <tqt.h>
-#include <qglobal.h>
-#include <qapplication.h>
-EOF
-else
-cat >> conftest.$ac_ext <<EOF
 #include <tqglobal.h>
 #include <tqapplication.h>
 EOF
@@ -1057,12 +1051,6 @@ fi
 if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
 cat >> conftest.$ac_ext <<EOF
-#include <qcursor.h>
-#include <qstylefactory.h>
-#include <private/qucomextra_p.h>
-EOF
-else
-cat >> conftest.$ac_ext <<EOF
 #include <tqcursor.h>
 #include <tqstylefactory.h>
 #include <tqucomextra_p.h>
@@ -1079,11 +1067,6 @@ int main() {
 EOF
 if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
-cat >> conftest.$ac_ext <<EOF
-    (void)QStyleFactory::create(QString::null);
-    QCursor c(TQt::WhatsThisCursor);
-EOF
-else
 cat >> conftest.$ac_ext <<EOF
     (void)TQStyleFactory::create(TQString::null);
     TQCursor c(TQt::WhatsThisCursor);
@@ -1177,10 +1160,6 @@ if test $kde_tqtver = 3; then
   fi
   if test "$PKG_CONFIG" != "no" ; then
     if $PKG_CONFIG --exists tqt-mt ; then
-       kde_tqt_dirs="$kde_tqt_dirs `$PKG_CONFIG --variable=prefix tqt-mt`"
-       LIB_QUI="-lqui"
-       AC_SUBST(LIB_QUI)
-    else
        if $PKG_CONFIG --exists tqt-mt ; then
          kde_tqt_dirs="$kde_tqt_dirs `$PKG_CONFIG --variable=prefix tqt-mt`"
          LIB_QUI="-ltqui"
@@ -1310,8 +1289,6 @@ if test -z "$LIBTQT_GLOB"; then
     else
       if $PKG_CONFIG --exists tqt-mt ; then
         LIBTQT_GLOB="libtqt.*"
-      else
-        LIBTQT_GLOB="libtqt.*"
       fi
     fi
   fi
@@ -1327,8 +1304,6 @@ if test "$kde_tqtver" = "3"; then
   else
     if $PKG_CONFIG --exists tqt-mt ; then
       tqtlib="tqt"
-    else
-      tqtlib="tqt"
     fi
   fi
 fi
@@ -1419,10 +1394,6 @@ fi
 if test "$PKG_CONFIG" != "no" ; then
   if $PKG_CONFIG --exists tqt-mt ; then
       tqt_incdirs="$tqt_incdirs `$PKG_CONFIG --variable=includedir tqt-mt`"
-  else
-      if $PKG_CONFIG --exists tqt-mt ; then
-          tqt_incdirs="$tqt_incdirs `$PKG_CONFIG --variable=includedir tqt-mt`"
-      fi
   fi
 fi
 tqt_incdirs="$TQTINC $tqt_incdirs /usr/include/tqt3 /usr/include /usr/X11R6/include/X11/tqt /usr/X11R6/include/tqt $x_includes"
@@ -1430,7 +1401,6 @@ if test ! "$ac_tqt_includes" = "NO"; then
    tqt_incdirs="$ac_tqt_includes $tqt_incdirs"
 fi
 
-kde_tqt_header=qstyle.h
 kde_tqt_header=ntqstyle.h
 
 AC_FIND_FILE($kde_tqt_header, $tqt_incdirs, tqt_incdir)
@@ -1448,11 +1418,7 @@ if test -z "$PKG_CONFIG"; then
 fi
 if test "$PKG_CONFIG" != "no" ; then
   if $PKG_CONFIG --exists tqt-mt ; then
-      tqt_libdirs="$tqt_incdirs `$PKG_CONFIG --variable=libdir tqt-mt`"
-  else
-      if $PKG_CONFIG --exists tqt-mt ; then
-          tqt_libdirs="$tqt_incdirs `$PKG_CONFIG --variable=libdir tqt-mt`"
-      fi
+     tqt_libdirs="$tqt_incdirs `$PKG_CONFIG --variable=libdir tqt-mt`"
   fi
 fi
 tqt_libdirs="$TQTLIB $tqt_libdirs /usr/X11R6/lib /usr/lib /usr/local/tqt/lib $x_libraries"
@@ -1971,16 +1937,6 @@ AC_CACHE_VAL(kde_cv_have_kdetqtaddon,
 
 if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
- AC_TRY_LINK([
-   #include <qdom.h>
- ],
- [
-   QDomDocument doc;
- ],
-  kde_cv_have_kdetqtaddon=yes,
-  kde_cv_have_kdetqtaddon=no
- )
-else
  AC_TRY_LINK([
    #include <tqdom.h>
  ],
@@ -2588,15 +2544,6 @@ CXXFLAGS="$CXXFLAGS $all_includes $USER_INCLUDES"
 if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
 AC_TRY_LINK(
-[#include <qapplication.h>],
-            [
-            int argc;
-            char** argv;
-            QApplication app(argc, argv);],
-            eval "kde_cv_tqt_jpeg=no",
-            eval "kde_cv_tqt_jpeg=yes")
-else
-AC_TRY_LINK(
 [#include <tqapplication.h>],
             [
             int argc;
@@ -3454,17 +3401,6 @@ if test "$kde_tqtver" = "3"; then
 if $PKG_CONFIG --exists tqt-mt ; then
           AC_TRY_COMPILE(
           [
-#include <tqt.h>
-#include <qglobal.h>
-#if Q_EXPORT - 0 != 0
-/* if this compiles, then Q_EXPORT is undefined */
-/* if Q_EXPORT is nonempty, this will break compilation */
-#endif
-          ], [/* elvis is alive */],
-          kde_cv_val_tqt_gcc_visibility_patched=no, kde_cv_val_tqt_gcc_visibility_patched=yes)
-else
-          AC_TRY_COMPILE(
-          [
 #include <tqglobal.h>
 #if Q_EXPORT - 0 != 0
 /* if this compiles, then Q_EXPORT is undefined */
@@ -4722,20 +4658,6 @@ CXXFLAGS="$CXXFLAGS -I$tqt_incdir $all_includes"
 if $PKG_CONFIG --exists tqt-mt ; then
 AC_TRY_RUN(dnl
 [
-#include <qimageio.h>
-#include <qstring.h>
-int main() {
-		QString t = "hallo";
-		t.fill('t');
-		qInitImageIO();
-}
-],
-            ac_cv_lib_qimgio=yes,
-            ac_cv_lib_qimgio=no,
-	    ac_cv_lib_qimgio=no)
-else
-AC_TRY_RUN(dnl
-[
 #include <tqimageio.h>
 #include <tqstring.h>
 int main() {
@@ -6455,10 +6377,6 @@ AC_DEFUN([AC_SQLITE3], [
     if test "$PKG_CONFIG" != "no" ; then
       if $PKG_CONFIG --exists tqt-mt ; then
         tqt_plugins_dir="`pkg-config --variable=pluginsdir tqt-mt`"
-      else
-        if $PKG_CONFIG --exists tqt-mt ; then
-          tqt_plugins_dir="`pkg-config --variable=pluginsdir tqt-mt`"
-        fi
       fi
     fi
     if test "x$tqt_plugins_dir" = "x"; then