diff --git a/rtd_phosphonetx/source/core-plugins/proteomics/1/dss/drop-boxes/ms-search/plugin.properties b/rtd_phosphonetx/source/core-plugins/proteomics/1/dss/drop-boxes/ms-search/plugin.properties
index 619875ae92ebcf03db50a4e79da2b67567ece160..fc80280936e4d73581ff17bd4a4aadcea24a45c2 100644
--- a/rtd_phosphonetx/source/core-plugins/proteomics/1/dss/drop-boxes/ms-search/plugin.properties
+++ b/rtd_phosphonetx/source/core-plugins/proteomics/1/dss/drop-boxes/ms-search/plugin.properties
@@ -13,7 +13,6 @@ incoming-data-completeness-condition = auto-detection
 
 data-set-info-extractor = ch.systemsx.cisd.openbis.etlserver.proteomics.DataSetInfoExtractorForProteinResults
 data-set-info-extractor.separator = +
-data-set-info-extractor.prot-xml-size-threshold-in-MB = 1
 
 type-extractor = ch.systemsx.cisd.etlserver.SimpleTypeExtractor
 type-extractor.file-format-type = XML