diff --git a/src/valid_times.py b/src/valid_times.py
deleted file mode 100644
index e8e60437..00000000
--- a/src/valid_times.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python
-
-# List of valid data times in a file
-
-from um_fileheaders import *
-import umfile, sys, collections, datetime
-
-f = umfile.UMFile(sys.argv[1])
-
-times=collections.defaultdict(int)
-
-for k in range(f.fixhd[FH_LookupSize2]):
-    ilookup = f.ilookup[k]
-    if ilookup[LBEGIN] == -99:
-        break
-    if ilookup[LBREL] >= 3:
-        # Second field introduced from vn 8.1
-        t = datetime.datetime(ilookup[LBYR], ilookup[LBMON], 
-                              ilookup[LBDAT], ilookup[LBHR], 
-                              ilookup[LBMIN], ilookup[LBSEC])
-    else:
-        t = datetime.datetime(ilookup[LBYR], ilookup[LBMON], 
-                              ilookup[LBDAT], ilookup[LBHR], 
-                              ilookup[LBMIN], 0)
-    times[t] += 1
-
-print "Valid_times",
-for t in sorted(times.keys()):
-    print t.strftime('%Y%m%d%H%M'),
-print
-
-if len(set(times.values())) > 1:
-    print "Warning - not all times have same number of fields"