diff --git a/2010/grades.txt b/2010/grades.txt
deleted file mode 100644
index cce5bbbbb8bf0f2347e6d0b9c5549f906831a464..0000000000000000000000000000000000000000
--- a/2010/grades.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-            proposal  thesis
-Kristina    1.0       1.0
-Sönke       1.67
-Constantin  deadline deferred March 15
\ No newline at end of file
diff --git a/2011/grades.txt b/2011/grades.txt
deleted file mode 100644
index 2d18cf6901cbc554bfd64da9563a565e8786bf93..0000000000000000000000000000000000000000
--- a/2011/grades.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-		proposal	thesis
-Alin		2.67		2.67
-Deyan		?		?
-Füsun*		2.33		3.0
-
-* deferred by one year
\ No newline at end of file
diff --git a/2012/grades.txt b/2012/grades.txt
deleted file mode 100644
index 09b2f2a4c7591b97b57d65589416ee4c8c54a034..0000000000000000000000000000000000000000
--- a/2012/grades.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-		proposal	thesis
-Dimitar		wrote thesis with different supervisor
-Mihnea		1,00		1,00
-Stefania	1,67		1,33
\ No newline at end of file