diff --git a/cave_data/1623-RNT-01.html b/cave_data/1623-RNT-01.html
deleted file mode 100644
index c01d93dfd..000000000
--- a/cave_data/1623-RNT-01.html
+++ /dev/null
@@ -1,61 +0,0 @@
-<!DOCTYPE html>
-<!-- This file is generated by troggle using the form documented at /handbook/survey/caveentry.html -->
-<!-- ALTERNATIVELY you can download an example template from expoweb/templates/cave_data.html -->
-<!-- Only put one cave in this file -->
-<!-- If you edit this 162x-nnn.html file by hand, and manually upload it to the server using git,
-make sure you update the database by doing a full data import. If you edit it using the online form
-though, you do not need to do a data import as it happens automatically -->
-<html lang="en">
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-</head>
-<body>
-<b>This file is generated by troggle</b> using the form documented at
-the form documented at 
-<a href="/handbook/survey/caveentry.html">handbook/survey/caveentry.html</a>
-<br>
-
-<cave>
-<non_public>False</non_public>
-<unexplored>False</unexplored>
-
-<official_name>Rentner-Express</official_name>
-<area>1623</area>
-<kataster_code></kataster_code>
-<kataster_number></kataster_number> 
-<unofficial_number>RNT-01</unofficial_number>
-
-<entrance>
-  <entranceslug>1623-RNT-01</entranceslug>
-  <letter></letter>
-</entrance>
-
-<explorers></explorers>
-<survex_file>caves-1623/rentner/rentner.svx</survex_file>
-<underground_description><pre>
-rentner-1
-rentner-1-14
-rentner-1-14-45
-rentner-1-14-45-16
-mondmilchcanyon
-schmuckkasten
-deinhoch
-spiegeltor
-redbullroehre
-eisenbahntunnel
-kartenhaus
-schwarzesmonster
-schwingerclub
-</pre></underground_description>
-<equipment></equipment>
-<references></references>
-<survey></survey>
-<notes>We have only the extensive set of survex files</notes>
-<length></length>
-<depth></depth>
-<extent></extent>
-
-<description_file></description_file>
-</cave>
-</body>
-</html>
diff --git a/entrance_data/1623-21b.html b/entrance_data/1623-21b.html
index d3cec9fe3..b6915cd9a 100644
--- a/entrance_data/1623-21b.html
+++ b/entrance_data/1623-21b.html
@@ -20,7 +20,7 @@ though, you do not need to do a data import as it happens automatically -->
 <entrance>
 <non_public>False</non_public>
 <slug>1623-21b</slug> <!-- one entrance and one slug per entrance_data file -->
-<name>21b</name>
+<name>Rentner express</name>
 <entrance_description></entrance_description>
 <explorers></explorers>
 <location_description></location_description>
diff --git a/entrance_data/1623-RNT-01.html b/entrance_data/1623-RNT-01.html
deleted file mode 100644
index cf52271a9..000000000
--- a/entrance_data/1623-RNT-01.html
+++ /dev/null
@@ -1,57 +0,0 @@
-<!DOCTYPE html>
-<!-- Only put one entrance in this file -->
-<!-- This file is generated by troggle  using the form documented at handbook/survey/ententry.html -->
-<!-- If you edit this file by hand, and manually upload it to the server using git,
-make sure you update the database by doing a full data import. If you edit it using the online form
-though, you do not need to do a data import as it happens automatically -->
-
-    <!-- See http://expo.survex.com/handbook/survey/caveentryfields.html for current details on filling in this form -->
-    <!-- there is 1 required field: slug. The entrance will not appear without that. -->
-    <!-- ALWAYS use &uuml; for u+Umlaut and &ouml; for o+umlaut eg H&ouml;hle for Hohle and Gl&uuml;ck for Gluck-->
-
-<html lang="en">
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-</head>
-<body>
-<b>This file is generated by troggle</b>  using the form documented at 
-<a href="/handbook/survey/ententry.html">handbook/survey/ententry.html</a>
-<br>
-<entrance>
-<non_public>False</non_public>
-<slug>1623-RNT-01</slug> <!-- one entrance and one slug per entrance_data file -->
-<name>RNT-01</name>
-<entrance_description></entrance_description>
-<explorers></explorers>
-<location_description></location_description>
-<lastvisit>2022.08.08</lastvisit>
-<approach></approach>
-<underground_description></underground_description>
-<photo></photo>
-<!-- marking options: P  = Paint,
-                      P? = Paint (?),
-                      T  = Tag,
-                      T? = Tag (?),
-                      R  = Retagged,
-                      S  = Spit,
-                      S? = Spit (?),
-                      U  = Unmarked,
-                      ?  = Unknown" -->
-<marking>?</marking> 
-<marking_comment></marking_comment>
-<!-- findability options: ? = To be confirmed ...,
-                          S = Surveyed,
-                          L = Lost,
-                          R = Refindable" -->
-<findability>?</findability>
-<findability_description></findability_description>
-<alt></alt>
-<lat_wgs84></lat_wgs84> 
-<long_wgs84></long_wgs84> 
-<tag_station>1623.p21</tag_station>
-<other_station></other_station>
-<other_description></other_description>
-<bearings></bearings> <!-- this is now read-only and not editable on the forms-->
-</entrance>
-</body>
-</html>
