diff --git a/bin/do b/bin/do
index 6b21920..7794cf3 100755
--- a/bin/do
+++ b/bin/do
@@ -83,9 +83,6 @@ def try_arithmetic(arg):
 def do_single(arg):
 	try_multimedia(arg)
 	if os.path.exists(arg):
-		if arg.endswith(".pdf"):
-			exec_and_exit("qpdfview --unique --instance do%d %s"\
-				% (random.randint(100000, 999999),  arg))
 		# leave file and dir handling to xdg-open
 		exec_and_exit("xdg-open "+arg)
 	try_arithmetic(arg)
diff --git a/install.sh b/install.sh
index 4f47197..b62e149 100755
--- a/install.sh
+++ b/install.sh
@@ -30,12 +30,6 @@ cp -f `pwd`/gitconfig ~/.gitconfig
 git config --global user.email ${EMAIL}
 info "installed gitconfig"
 
-# install qpdfview config
-# do not use symlink, because it stores geometry there
-mkdir -p ~/.config/qpdfview/
-info "cp qpdfview.conf"
-cp -u qpdfview.conf ~/.config/qpdfview/
-
 # fortune cookies
 pushd config/fortune
 strfile my_cookies my_cookies.dat >/dev/null
diff --git a/qpdfview.conf b/qpdfview.conf
deleted file mode 100644
index 058544a..0000000
--- a/qpdfview.conf
+++ /dev/null
@@ -1,77 +0,0 @@
-[documentView]
-autoRefresh=true
-continuousMode=false
-highlightAll=false
-highlightCurrentThumbnail=false
-highlightDuration=5000
-invertColors=false
-layoutMode=0
-limitThumbnailsToResults=false
-matchCase=false
-openUrl=false
-pageSpacing=5
-pagesPerRow=3
-prefetch=false
-prefetchDistance=1
-rotateModifiers=33554432
-rotation=0
-scaleFactor=2
-scaleMode=2
-scrollModifiers=134217728
-sourceEditor=
-thumbnailSize=150
-thumbnailSpacing=3
-wholeWords=false
-zoomModifiers=67108864
-
-[mainWindow]
-currentPageInWindowTitle=false
-editToolBar=firstPage, previousPage, currentPage, nextPage, lastPage, search, separator, copyToClipboardMode, addAnnotationMode
-fileToolBar=openInNewTab, refresh, saveCopy, print
-geometry=@ByteArray(\x1\xd9\xd0\xcb\0\x2\0\0\0\0\b\x3\0\0\0+\0\0\r \0\0\x4\x9a\0\0\b\x3\0\0\0G\0\0\r \0\0\x4\x9a\0\0\0\x1\0\0\0\0\x6\x90)
-instanceNameInWindowTitle=false
-newTabNextToCurrentTab=true
-openPath=/afs/info.uni-karlsruhe.de/user/zwinkau/dev/diss
-recentlyUsed=@Invalid()
-recentlyUsedCount=10
-restoreBookmarks=false
-restorePerFileSettings=false
-restoreTabs=false
-settingsDialogSize=@Size(525 567)
-state="@ByteArray(\0\0\0\xff\0\0\0\0\xfd\0\0\0\x2\0\0\0\0\0\0\x1\0\0\0\x4,\xfc\x2\0\0\0\x4\xfb\0\0\0\x16\0o\0u\0t\0l\0i\0n\0\x65\0\x44\0o\0\x63\0k\x1\0\0\0(\0\0\x4,\0\0\0g\0\xff\xff\xff\xfb\0\0\0\x1c\0p\0r\0o\0p\0\x65\0r\0t\0i\0\x65\0s\0\x44\0o\0\x63\0k\0\0\0\0\0\xff\xff\xff\xff\0\0\0g\0\xff\xff\xff\xfb\0\0\0\x1c\0t\0h\0u\0m\0\x62\0n\0\x61\0i\0l\0s\0\x44\0o\0\x63\0k\0\0\0\0\0\xff\xff\xff\xff\0\0\0g\0\xff\xff\xff\xfb\0\0\0\x1a\0\x62\0o\0o\0k\0m\0\x61\0r\0k\0s\0\x44\0o\0\x63\0k\0\0\0\0\0\xff\xff\xff\xff\0\0\0g\0\xff\xff\xff\0\0\0\x3\0\0\x5\x1e\0\0\0K\xfc\x1\0\0\0\x1\xfb\0\0\0\x14\0s\0\x65\0\x61\0r\0\x63\0h\0\x44\0o\0\x63\0k\0\0\0\0\0\0\0\x5\x1e\0\0\x1\xe3\0\xff\xff\xff\0\0\x4\x18\0\0\x4,\0\0\0\x4\0\0\0\x4\0\0\0\b\0\0\0\b\xfc\0\0\0\x1\0\0\0\x2\0\0\0\x3\0\0\0\x16\0\x66\0i\0l\0\x65\0T\0o\0o\0l\0\x42\0\x61\0r\x1\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\x16\0\x65\0\x64\0i\0t\0T\0o\0o\0l\0\x42\0\x61\0r\x1\0\0\0\x9d\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\x16\0v\0i\0\x65\0w\0T\0o\0o\0l\0\x42\0\x61\0r\x1\0\0\x2?\xff\xff\xff\xff\0\0\0\0\0\0\0\0)"
-synchronizeOutlineView=false
-tabPosition=0
-tabVisibility=0
-trackRecentlyUsed=false
-viewToolBar=zoomIn, scaleFactor, zoomOut, separator, continuousMode, twoPagesMode, separator, rotateLeft, rotateRight, separator, fullscreen, presentation
-
-[pageItem]
-addAnnotationModifiers=67108864
-annotationColor=@Variant(\0\0\0\x43\x1\xff\xff\xff\xff\xff\xff\0\0\0\0)
-annotationOverlay=false
-backgroundColor=@Variant(\0\0\0\x43\x1\xff\xff\x80\x80\x80\x80\x80\x80\0\0)
-cacheSize=33554432
-copyToClipboardModifiers=33554432
-decorateFormFields=true
-decorateLinks=true
-decoratePages=true
-formFieldOverlay=true
-highlightColor=@Variant(\0\0\0\x43\x1\xff\xff\xff\xff\xff\xff\0\0\0\0)
-keepObsoletePixmaps=false
-paperColor=@Variant(\0\0\0\x43\x1\xff\xff\xff\xff\xff\xff\xff\xff\0\0)
-
-[presentationView]
-backgroundColor=@Variant(\0\0\0\x43\0\xff\xff\0\0\0\0\0\0\0\0)
-screen=-1
-sync=false
-
-[printDialog]
-collateCopies=false
-colorMode=1
-duplex=2
-fitToPage=false
-numberUp=0
-numberUpLayout=3
-orientation=0
-pageOrder=0
-pageSet=0
diff --git a/ubuntu.16.04.apt-req b/ubuntu.16.04.apt-req
index ea8bf34..cb6d291 100644
--- a/ubuntu.16.04.apt-req
+++ b/ubuntu.16.04.apt-req
@@ -106,7 +106,7 @@ puppet
 pylint
 python3
 python3-feedparser
-qpdfview
+R qpdfview
 rar
 scribus
 simple-scan