diff --git a/src/Handler/Course/Users.hs b/src/Handler/Course/Users.hs
index 4a4e11e9d..744ca2671 100644
--- a/src/Handler/Course/Users.hs
+++ b/src/Handler/Course/Users.hs
@@ -204,7 +204,6 @@ data UserTableCsv = UserTableCsv
   , csvUserSex :: Maybe Sex
   , csvUserBirthday :: Maybe Day
   , csvUserMatriculation :: Maybe UserMatriculation
-  , csvUserEPPN :: Maybe UserEduPersonPrincipalName
   , csvUserEmail :: UserEmail
   , csvUserQualifications :: [QualificationName]
   , csvUserSubmissionGroup :: Maybe SubmissionGroupName
@@ -224,7 +223,6 @@ instance Csv.ToNamedRecord UserTableCsv where
     , "sex" Csv..= csvUserSex
     , "birthday" Csv..= csvUserBirthday
     , "matriculation" Csv..= csvUserMatriculation
-    , "eduPersonPrincipalName" Csv..= csvUserEPPN
     , "email" Csv..= csvUserEmail
     , "qualifications" Csv..= CsvSemicolonList csvUserQualifications
     , "submission-group" Csv..= csvUserSubmissionGroup
@@ -286,7 +284,6 @@ data UserTableJson = UserTableJson
   , jsonUserName :: UserDisplayName
   , jsonUserSex :: Maybe (Maybe Sex)
   , jsonUserMatriculation :: Maybe UserMatriculation
-  , jsonUserEPPN :: Maybe UserEduPersonPrincipalName
   , jsonUserEmail :: UserEmail
   , jsonUserQualifications :: Set QualificationName
   , jsonUserSubmissionGroup :: Maybe SubmissionGroupName
@@ -323,7 +320,6 @@ instance ToJSON UserTableJson where
     , pure $ "name" JSON..= jsonUserName
     , ("sex" JSON..=) <$> jsonUserSex
     , ("matriculation" JSON..=) <$> jsonUserMatriculation
-    , ("eduPersonPrincipalName" JSON..=) <$> jsonUserEPPN
     , pure $ "email" JSON..= jsonUserEmail
     , ("qualifications" JSON..=) <$> assertM' (not . onull) jsonUserQualifications
     , ("submission-group" JSON..=) <$> jsonUserSubmissionGroup
@@ -566,7 +562,6 @@ makeCourseUserTable cid acts restrict colChoices psValidator csvColumns = do
                   <*> view (hasUser . _userSex)
                   <*> view (hasUser . _userBirthday)
                   <*> view (hasUser . _userMatrikelnummer)
-                  <*> view (hasUser . _userLdapPrimaryKey)
                   <*> view (hasUser . _userEmail)
                   <*> (over traverse (qualificationName . entityVal) <$> view _userQualifications)
                   <*> preview (_userSubmissionGroup . _entityVal . _submissionGroupName)
@@ -598,7 +593,6 @@ makeCourseUserTable cid acts restrict colChoices psValidator csvColumns = do
               <*> view  (hasUser . _userDisplayName)
               <*> views (hasUser . _userSex) (guardOn showSex)
               <*> view  (hasUser . _userMatrikelnummer)
-              <*> view  (hasUser . _userLdapPrimaryKey)
               <*> view  (hasUser . _userEmail)
               <*> view (_userQualifications . folded . to (Set.singleton . qualificationName . entityVal))
               <*> preview (_userSubmissionGroup . _entityVal . _submissionGroupName)
diff --git a/src/Handler/Exam/Users.hs b/src/Handler/Exam/Users.hs
index cd06ea982..09e14253f 100644
--- a/src/Handler/Exam/Users.hs
+++ b/src/Handler/Exam/Users.hs
@@ -187,7 +187,6 @@ data ExamUserTableCsv = ExamUserTableCsv
   , csvEUserFirstName :: Maybe Text
   , csvEUserName :: Maybe Text
   , csvEUserMatriculation :: Maybe Text
-  , csvEUserEPPN :: Maybe UserEduPersonPrincipalName
   , csvEUserStudyFeatures :: UserTableStudyFeatures
   , csvEUserOccurrence :: Maybe (CI Text)
   , csvEUserExercisePoints :: Maybe (Maybe Points)
@@ -208,7 +207,6 @@ instance ToNamedRecord ExamUserTableCsv where
     , "first-name" Csv..= csvEUserFirstName
     , "name" Csv..= csvEUserName
     , "matriculation" Csv..= csvEUserMatriculation
-    , "eduPersonPrincipalName" Csv..= csvEUserEPPN
     , "study-features" Csv..= csvEUserStudyFeatures
     , "occurrence" Csv..= csvEUserOccurrence
     ] ++ catMaybes
@@ -234,7 +232,6 @@ instance FromNamedRecord ExamUserTableCsv where
       <*> csv .:?? "first-name"
       <*> csv .:?? "name"
       <*> csv .:?? "matriculation"
-      <*> csv .:?? "eduPersonPrincipalName"
       <*> pure mempty
       <*> csv .:?? "occurrence"
       <*> fmap Just (csv .:?? "exercise-points")
@@ -277,7 +274,7 @@ examUserTableCsvHeader :: ( MonoFoldable mono
                        => SheetGradeSummary -> Bool -> mono -> Csv.Header
 examUserTableCsvHeader allBoni doBonus pNames = Csv.header $
   [ "surname", "first-name", "name"
-  , "matriculation", "eduPersonPrincipalName"
+  , "matriculation"
   , "study-features"
   , "course-note"
   , "occurrence"
@@ -615,7 +612,6 @@ postEUsersR tid ssh csh examn = do
                 <*> view (resultUser . _entityVal . _userFirstName . to Just)
                 <*> view (resultUser . _entityVal . _userDisplayName . to Just)
                 <*> view (resultUser . _entityVal . _userMatrikelnummer)
-                <*> view (resultUser . _entityVal . _userLdapPrimaryKey)
                 <*> view resultStudyFeatures
                 <*> preview (resultExamOccurrence . _entityVal . _examOccurrenceName)
                 <*> fmap (bool (const Nothing) Just showPoints) (preview $ resultUser . _entityKey . to (examBonusAchieved ?? bonus) . _achievedPoints . _Wrapped)
@@ -939,7 +935,6 @@ postEUsersR tid ssh csh examn = do
               guessUser' ExamUserTableCsv{..} = do
                 let criteria = PredDNF . maybe Set.empty Set.singleton . fromNullable . Set.fromList . fmap PLVariable $ catMaybes
                       [ GuessUserMatrikelnummer <$> csvEUserMatriculation
-                      , GuessUserEduPersonPrincipalName <$> csvEUserEPPN
                       , GuessUserDisplayName <$> csvEUserName
                       , GuessUserSurname <$> csvEUserSurname
                       , GuessUserFirstName <$> csvEUserFirstName