diff --git a/product/ERP5OOo/tests/testDms.py b/product/ERP5OOo/tests/testDms.py
index 5ddfea7cdcfcc11f2da8dd1ffb557c3732035c94..67ad4a91a75f66c59d7d476f51433b3a6703494c 100644
--- a/product/ERP5OOo/tests/testDms.py
+++ b/product/ERP5OOo/tests/testDms.py
@@ -118,7 +118,6 @@ class TestDocument(ERP5TypeTestCase, ZopeTestCase.Functional):
     default_pref.setPreferredOoodocServerPortNumber(conversion_server_host[1])
     default_pref.setPreferredDocumentFileNameRegularExpression(FILE_NAME_REGULAR_EXPRESSION)
     default_pref.setPreferredDocumentReferenceRegularExpression(REFERENCE_REGULAR_EXPRESSION)
-    default_pref.setPreferredConversionCacheFactory('dms_cache_factory')
     if default_pref.getPreferenceState() != 'global':
       default_pref.enable()