--- a/OrthancServer/DatabaseWrapper.cpp	Thu Oct 24 11:42:46 2013 +0200
+++ b/OrthancServer/DatabaseWrapper.cpp	Fri Oct 25 11:06:10 2013 +0200
@@ -815,27 +815,9 @@
       LOG(INFO) << "Version of the Orthanc database: " << version;
       unsigned int v = boost::lexical_cast<unsigned int>(version);
 
-      // This version of Orthanc is only compatible with versions 3
-      // (Orthanc 0.3.2 to 0.6.1) and 4 (since Orthanc 0.6.2) of the
-      // DB schema
-      ok = (v == 3 || v == 4);
-
-      if (v == 3)
-      {
-        LOG(WARNING) << "Upgrading the database from version 3 to version 4 (reconstructing the index)";
-
-        // Reconstruct the index for case insensitive queries in C-FIND
-        db_.Execute("DROP INDEX IF EXISTS MainDicomTagsIndexValues;");
-        db_.Execute("DROP TABLE IF EXISTS AvailableTags;");
-
-        std::string query;
-        EmbeddedResources::GetFileResource(query, EmbeddedResources::PREPARE_DATABASE_V4);
-        db_.Execute(query);
-
-        db_.Execute("INSERT INTO AvailableTags SELECT DISTINCT tagGroup, tagElement FROM MainDicomTags;");
-
-        //SetGlobalProperty(GlobalProperty_DatabaseSchemaVersion, "4");
-      }
+      // This version of Orthanc is only compatible with version 3 of
+      // the DB schema (since Orthanc 0.3.2)
+      ok = (v == 3);
     }
     catch (boost::bad_lexical_cast&)
     {
@@ -846,8 +828,6 @@
       throw OrthancException(ErrorCode_IncompatibleDatabaseVersion);
     }
 
-    CompleteMainDicomTags();
-
     signalRemainingAncestor_ = new Internals::SignalRemainingAncestor;
     db_.Register(signalRemainingAncestor_);
     db_.Register(new Internals::SignalFileDeleted(listener_));
@@ -1015,11 +995,4 @@
       result.push_back(s.ColumnInt64(0));
     }
   }
-
-
-  void DatabaseWrapper::CompleteMainDicomTags()
-  {
-    std::set<DicomTag> requiredTags;
-    
-  }
 }