diff --git a/eu_basynthec/dist/etc/transcriptomics/data-set-validator.py b/eu_basynthec/dist/etc/transcriptomics/data-set-validator.py
index 7eece315c6a1b5477aeb480eb1decf87d8b2352e..0b7095673b65d9d2a6508ea7c8a558a771662018 100644
--- a/eu_basynthec/dist/etc/transcriptomics/data-set-validator.py
+++ b/eu_basynthec/dist/etc/transcriptomics/data-set-validator.py
@@ -3,7 +3,7 @@ def validate_header(line, first_data_col, errors):
   if line[0] != "Locustag":
     errors.append(createFileValidationError("The first data column must be 'Locustag' (not " + line[0] + ")."))
     return False
-  header_regex = re.compile("^MGP[0-9]{1,3}-[0-9] [0-9]+")
+  header_regex = re.compile("^.+-[0-9] [0-9]+")
   for i in range(first_data_col, len(line)):
     match = header_regex.match(line[i])
     if match is None:
diff --git a/eu_basynthec/sourceTest/examples/~$Metabolomics-Example.xlsx b/eu_basynthec/sourceTest/examples/~$Metabolomics-Example.xlsx
deleted file mode 100644
index 24f29bb860948c7c5f82a89ff6bfd4ff17ce621a..0000000000000000000000000000000000000000
Binary files a/eu_basynthec/sourceTest/examples/~$Metabolomics-Example.xlsx and /dev/null differ