diff --git a/config.pri b/config.pri
index 2b8d943..6034b6a 100644
--- a/config.pri
+++ b/config.pri
@@ -278,30 +278,13 @@ osx_dist {
 
 contains(PRESET, linux_package) {
 	### dynamically link against Qwt(3D) installed system-wide
-
-        exists(/usr/include/qt5/qwt5-qt5)      {INCLUDEPATH+=/usr/include/qt5/qwt5-qt5}
-        exists(/usr/include/qt5/qwtplot3d-qt5) {INCLUDEPATH+=/usr/include/qt5/qwtplot3d-qt5}
-        exists(/usr/include/qwt5-qt5) {INCLUDEPATH+=/usr/include/qwt5-qt5}
-        exists(/usr/include/qwtplot3d) {INCLUDEPATH+=/usr/include/qwtplot3d}
-
-        system (ls /usr/lib*/libqwt5-qt5.so) {LIBS+=-lqwt5-qt5}
-        system (ls /usr/lib*/*/libqwt5-qt5.so) {LIBS+=-lqwt5-qt5}
-        system (ls /usr/lib*/libqwt-qt5.so) {LIBS+=-lqwt-qt5}
-        system (ls /usr/lib*/libqwtplot3d-qt5.so) {LIBS+=-lqwtplot3d-qt5}
-        system (ls /usr/lib*/*/libqwtplot3d-qt5.so) {LIBS+=-lqwtplot3d-qt5}
-
-
+	INCLUDEPATH  +=/usr/include/qwt5
+	INCLUDEPATH  +=/usr/include/qwtplot3d
+	LIBS         +=-lqwt5-qt5
+	LIBS         +=-lqwtplot3d
 	LIBS         += -lz -lGLU 
-
-	INCLUDEPATH  += /usr/include/muParser
 	LIBS         += -lgsl -lgslcblas
 	LIBS         += -lmuparser 
-
-        # enable user installed packages
-        INCLUDEPATH = "$(HOME)/usr/include" $$INCLUDEPATH
-        QMAKE_LIBDIR = "$(HOME)/usr/lib" $$QMAKE_LIBDIR
-
-
 }
 
 contains(PRESET, self_contained) {