diff --git a/data-discovery/src/main/java/vlkb/common/Survey.java b/data-discovery/src/main/java/vlkb/common/Survey.java
deleted file mode 100644
index cf5487f209994c0c074b9a2b9b061b1c9e7cdf2a..0000000000000000000000000000000000000000
--- a/data-discovery/src/main/java/vlkb/common/Survey.java
+++ /dev/null
@@ -1,68 +0,0 @@
-
-/* legacy from copy of DataCube.Survey
- * FIXME equivalent to Subsurvey.java : keep only one of them */
-
-import java.io.UnsupportedEncodingException;
-
-
-/*static*/ class Survey {
-   double rf ;        // rest frequency
-   String surveyname; // surveyname
-   String species;
-   String transition;
-   String rf_unit;
-   String vel_unit;
-   String description;
-
-   Survey(){
-      this.rf          = 0.0;
-      this.surveyname  = null;
-      this.species     = null;
-      this.transition  = null;
-      this.rf_unit     = null;
-      this.vel_unit    = null;
-      this.description = null;
-   }
-
-   Survey(Survey arg_s){
-      this.rf          = arg_s.rf;
-      this.surveyname  = arg_s.surveyname;
-      this.species     = arg_s.species;
-      this.transition  = arg_s.transition;
-      this.rf_unit     = arg_s.rf_unit;
-      this.vel_unit    = arg_s.vel_unit;
-      try{
-         this.description = new String(arg_s.description.getBytes("ISO-8859-1"), "UTF-8");
-         //this.description = arg_s.description;
-      }
-      catch (UnsupportedEncodingException ex)
-      {
-         ex.printStackTrace();
-      }
-   }
-
-   String id() { return (this.surveyname + " " + this.species + " "  + this.transition); }
-   boolean matches(String id) { return id.equals(this.id()); }
-/*
-   void toXML(PrintWriter writer){
-
-      // replace with escape the XML-predefined entities:
-      // <, >, &, %
-      description = description.replace("&","&amp;");
-      description = description.replace("<","&lt;");
-      description = description.replace(">","&gt;");
-      description = description.replace("%","&#37;");
-
-      writer.println("<Description>"  + description + "</Description>");
-      writer.println("<Survey>"       + surveyname  + "</Survey>");
-      writer.println("<Species>"      + species     + "</Species>");
-      writer.println("<Transition>"   + transition  + "</Transition>");
-      writer.println("<RestFreq>");
-      writer.println("<value>"        + rf          + "</value>");
-      writer.println("<unit>"         + rf_unit     + "</unit>");
-      writer.println("</RestFreq>");
-      writer.println("<VelocityUnit>" + vel_unit    + "</VelocityUnit>");
-   }
-*/
-}
-