diff --git a/Literaturverweise.bib b/Literaturverweise.bib
index 70463c5..2a70f38 100644
--- a/Literaturverweise.bib
+++ b/Literaturverweise.bib
@@ -10,7 +10,6 @@
   url       = {https://doi.org/10.1007/978-3-319-93387-0\_1},
   bibsource = {dblp computer science bibliography, https://dblp.org},
   biburl    = {https://dblp.org/rec/bib/conf/acns/DowlingP18},
-  crossref  = {DBLP:conf/acns/2018},
   timestamp = {Wed, 13 Jun 2018 14:00:44 +0200},
 }
 
@@ -22,7 +21,6 @@
   url       = {https://www.ndss-symposium.org/ndss2017/ndss-2017-programme/wireguard-next-generation-kernel-network-tunnel/},
   bibsource = {dblp computer science bibliography, https://dblp.org},
   biburl    = {https://dblp.org/rec/bib/conf/ndss/Donenfeld17},
-  crossref  = {DBLP:conf/ndss/2017},
   timestamp = {Tue, 16 Jan 2018 15:44:17 +0100},
 }