diff --git a/htroot/ConfigHTCache_p.html b/htroot/ConfigHTCache_p.html
index e1ef22e96..9079dcf65 100644
--- a/htroot/ConfigHTCache_p.html
+++ b/htroot/ConfigHTCache_p.html
@@ -28,6 +28,21 @@
       </fieldset>
     </form>
     
+    </form>
+    <form action="ConfigHTCache_p.html" method="post" enctype="multipart/form-data">
+    <fieldset><legend>Cleanup</legend>
+      <dl>
+        <dt class="TableCellDark">Cache Deletion</dt>
+        <dd><input type="checkbox" name="deleteCache" id="deleteCache"
+             onclick="x=document.getElementById('deleteCache').checked;document.getElementById('deleteRobots').checked=x;c='disabled';if(x){c='';}document.getElementById('deleteRobots').disabled=c;"
+            />Delete HTTP &amp; FTP Cache<br/>
+            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" />Delete robots.txt Cache<br/><br/><br/>
+            <input type="submit" name="deletecomplete" value="Delete"/>
+        </dd>
+      </dl>
+    </fieldset>
+    </form>
+    
     #%env/templates/footer.template%#
   </body>
 </html>
diff --git a/htroot/ConfigHTCache_p.java b/htroot/ConfigHTCache_p.java
index 079ce9b5d..4a0d82946 100644
--- a/htroot/ConfigHTCache_p.java
+++ b/htroot/ConfigHTCache_p.java
@@ -29,9 +29,9 @@
 import java.io.File;
 
 import net.yacy.cora.protocol.RequestHeader;
-import net.yacy.kelondro.logging.Log;
 
 import de.anomic.http.client.Cache;
+import de.anomic.search.Switchboard;
 import de.anomic.search.SwitchboardConstants;
 import de.anomic.server.serverObjects;
 import de.anomic.server.serverSwitch;
@@ -40,13 +40,13 @@ public class ConfigHTCache_p {
 
     public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
         // return variable that accumulates replacements
+        final Switchboard sb = (Switchboard) env;
         final serverObjects prop = new serverObjects();
 
         String oldProxyCachePath, newProxyCachePath;
         int newProxyCacheSize;
 
-        if (post != null && post.containsKey("set")) try {
-          
+        if (post != null && post.containsKey("set")) {
             // proxyCache - check and create the directory
             oldProxyCachePath = env.getConfig(SwitchboardConstants.HTCACHE_PATH, SwitchboardConstants.HTCACHE_PATH_DEFAULT);
             newProxyCachePath = post.get("HTCachePath", SwitchboardConstants.HTCACHE_PATH_DEFAULT);
@@ -63,8 +63,15 @@ public class ConfigHTCache_p {
             if (newProxyCacheSize < 4) { newProxyCacheSize = 4; }
             env.setConfig(SwitchboardConstants.PROXY_CACHE_SIZE, newProxyCacheSize);
             Cache.setMaxCacheSize(newProxyCacheSize * 1024 * 1024);                
-        } catch (final Exception e) {
-            Log.logException(e);
+        }
+        
+        if (post != null && post.containsKey("deletecomplete")) {
+            if (post.get("deleteCache", "").equals("on")) {
+                Cache.clear();
+            }
+            if (post.get("deleteRobots", "").equals("on")) {
+                sb.robots.clear();
+            }
         }
 
         prop.put("HTCachePath", env.getConfig(SwitchboardConstants.HTCACHE_PATH, SwitchboardConstants.HTCACHE_PATH_DEFAULT));
diff --git a/htroot/IndexControlRWIs_p.html b/htroot/IndexControlRWIs_p.html
index 8266db425..2c125434f 100644
--- a/htroot/IndexControlRWIs_p.html
+++ b/htroot/IndexControlRWIs_p.html
@@ -39,8 +39,14 @@
     <form action="IndexControlRWIs_p.html" method="post" enctype="multipart/form-data">
     <fieldset><legend>Cleanup</legend>
       <dl>
-        <dt class="TableCellDark"><input type="checkbox" name="confirmDelete"/> Index Deletion<br />(deletes all words and all urls)</dt>
-        <dd><input type="submit" name="deletecomplete" value="Delete index"/>
+        <dt class="TableCellDark">Index Deletion</dt>
+        <dd><input type="checkbox" name="deleteIndex" id="deleteIndex"
+             onclick="x=document.getElementById('deleteIndex').checked;document.getElementById('deleteCache').checked=x;document.getElementById('deleteRobots').checked=x;document.getElementById('deleteCrawlQueues').checked=x;c='disabled';if(x){c='';}document.getElementById('deleteCache').disabled=c;document.getElementById('deleteRobots').disabled=c;document.getElementById('deleteCrawlQueues').disabled=c;"
+            />Delete Search Index<br/>
+            <input type="checkbox" name="deleteCrawlQueues" id="deleteCrawlQueues" disabled="disabled" />Stop Crawler and delete Crawl Queues<br/>
+            <input type="checkbox" name="deleteCache" id="deleteCache" disabled="disabled" />Delete HTTP &amp; FTP Cache<br/>
+            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" />Delete robots.txt Cache<br/><br/><br/>
+            <input type="submit" name="deletecomplete" value="Delete"/>
         </dd>
       </dl>
     </fieldset>
diff --git a/htroot/IndexControlRWIs_p.java b/htroot/IndexControlRWIs_p.java
index a18fbbecc..6c8485351 100644
--- a/htroot/IndexControlRWIs_p.java
+++ b/htroot/IndexControlRWIs_p.java
@@ -55,6 +55,7 @@ import net.yacy.repository.Blacklist;
 
 import de.anomic.crawler.CrawlProfile;
 import de.anomic.data.listManager;
+import de.anomic.http.client.Cache;
 import de.anomic.search.QueryParams;
 import de.anomic.search.RankingProcess;
 import de.anomic.search.ReferenceOrder;
@@ -145,11 +146,20 @@ public class IndexControlRWIs_p {
             }
             
             // delete everything
-            if (post.containsKey("deletecomplete") && post.containsKey("confirmDelete")) {
-                segment.clear();
-                sb.crawlQueues.clear();
-                sb.crawlStacker.clear();
-                sb.robots.clear();
+            if (post.containsKey("deletecomplete")) {
+                if (post.get("deleteIndex", "").equals("on")) {
+                    segment.clear();
+                }
+                if (post.get("deleteCrawlQueues", "").equals("on")) {
+                    sb.crawlQueues.clear();
+                    sb.crawlStacker.clear();
+                }
+                if (post.get("deleteCache", "").equals("on")) {
+                    Cache.clear();
+                }
+                if (post.get("deleteRobots", "").equals("on")) {
+                    sb.robots.clear();
+                }
                 post.remove("deletecomplete");
             }
     
diff --git a/source/de/anomic/http/client/Cache.java b/source/de/anomic/http/client/Cache.java
index f4b3ef691..fbe554b18 100644
--- a/source/de/anomic/http/client/Cache.java
+++ b/source/de/anomic/http/client/Cache.java
@@ -91,6 +91,23 @@ public final class Cache {
             Log.logException(e);
         }
     }
+    
+    /**
+     * clear the cache
+     */
+    public static void clear() {
+        responseHeaderDB.clear();
+        try {
+            fileDB.clear();
+        } catch (IOException e) {
+            Log.logException(e);
+        }
+        try {
+            fileDBunbuffered.clear();
+        } catch (IOException e) {
+            Log.logException(e);
+        }
+    }
 
     /**
      * This method changes the HTCache size.<br>