diff --git a/QA/QA_Common/bin/find_hdf5 b/QA/QA_Common/bin/find_hdf5
index dfb4972f277be67b996714631e966d7050778c4d..78694e0ece93d07f93c734166a62a7ed144dbec8 100755
--- a/QA/QA_Common/bin/find_hdf5
+++ b/QA/QA_Common/bin/find_hdf5
@@ -23,15 +23,12 @@ if __name__ == '__main__':
 
     import os
     import os.path
-    import sys
     import fnmatch
     import glob
     from optparse import OptionParser, OptionGroup
     from datetime import datetime, timedelta
 
-    from lofar.parameterset import *
     from lofar.qa.hdf5_io import *
-    from lofar.common.datetimeutils import parseDatetime
 
     # make sure we run in UTC timezone
     os.environ['TZ'] = 'UTC'
diff --git a/QA/QA_Common/bin/show_hdf5_info b/QA/QA_Common/bin/show_hdf5_info
index f5e9c08b4fd325f890b501589d195bbab811c073..b1ea563d55ea610cff6e9d5caf3fae79fcb21324 100755
--- a/QA/QA_Common/bin/show_hdf5_info
+++ b/QA/QA_Common/bin/show_hdf5_info
@@ -26,7 +26,6 @@ if __name__ == '__main__':
     from optparse import OptionParser
 
     from lofar.qa.hdf5_io import *
-    from lofar.parameterset import *
 
     # make sure we run in UTC timezone
     os.environ['TZ'] = 'UTC'