diff --git a/texmaker.pro b/texmaker.pro
index 0a9205d..62bc46d 100644
--- a/texmaker.pro
+++ b/texmaker.pro
@@ -117,29 +117,6 @@ HEADERS	+= texmaker.h \
 	unicodeview.h \
 	svnhelper.h \
 	quickbeamerdialog.h \
-	hunspell/affentry.hxx \
-	hunspell/affixmgr.hxx \
-	hunspell/atypes.hxx \
-	hunspell/baseaffix.hxx \
-	hunspell/csutil.hxx \
-	hunspell/dictmgr.hxx \
-	hunspell/hashmgr.hxx \
-	hunspell/htypes.hxx \
-	hunspell/hunspell.hxx \
-	hunspell/hunspell.h \
-	hunspell/langnum.hxx \
-	hunspell/license.hunspell \
-	hunspell/phonet.hxx \
-	hunspell/suggestmgr.hxx \
-	hunspell/license.myspell \
-	hunspell/filemgr.hxx \
-	hunspell/hunzip.hxx \
-	hunspell/replist.hxx \
-	hunspell/w_char.hxx \
-	singleapp/qtlocalpeer.h \
-	singleapp/qtlockedfile.h \
-	singleapp/qtsingleapplication.h \
-	singleapp/qtsinglecoreapplication.h \
 	encodingprober/CharDistribution.h \
 	encodingprober/ChineseGroupProber.h \
 	encodingprober/ctype_test_p.h \
@@ -502,22 +479,6 @@ SOURCES	+= main.cpp \
 	unicodeview.cpp \
 	quickbeamerdialog.cpp \
 	svnhelper.cpp \
-	hunspell/affentry.cxx \
-	hunspell/affixmgr.cxx \
-	hunspell/csutil.cxx \
-	hunspell/dictmgr.cxx \
-	hunspell/hashmgr.cxx \
-	hunspell/hunspell.cxx \
-	hunspell/phonet.cxx \
-	hunspell/suggestmgr.cxx \
-	hunspell/utf_info.cxx \
-	hunspell/filemgr.cxx \
-	hunspell/replist.cxx \
-	hunspell/hunzip.cxx \
-	singleapp/qtlocalpeer.cpp \
-	singleapp/qtlockedfile.cpp \
-	singleapp/qtsingleapplication.cpp \
-	singleapp/qtsinglecoreapplication.cpp \
 	encodingprober/CharDistribution.cpp \
 	encodingprober/ChineseGroupProber.cpp \
 	encodingprober/JapaneseGroupProber.cpp \
@@ -1088,8 +1049,7 @@ metainfo.path = texmaker_linux64
 
 INSTALLS = target
 HEADERS	+= x11fontdialog.h 
-SOURCES	+= x11fontdialog.cpp \
-	  singleapp/qtlockedfile_unix.cpp
+SOURCES	+= x11fontdialog.cpp
 FORMS += x11fontdialog.ui
 
 utilities.files = doc/doc10.png \