diff --git a/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt# b/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
deleted file mode 100644
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--- a/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
+++ /dev/null
@@ -1 +0,0 @@
-Michael Scholz,Michael,Michaels-MacBook-Pro.local,10.12.2012 18:18,file:///Users/Michael/Library/Application%20Support/OpenOffice.org/3;
\ No newline at end of file
diff --git a/ws2012/P2P/uebungen/7/exercise7_solution.odt b/ws2012/P2P/uebungen/7/exercise7_solution.odt
index 63c7596f..bb8af911 100644
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