diff --git a/copyparty/web/browser.css b/copyparty/web/browser.css
index 65ee1a3e..88b86a97 100644
--- a/copyparty/web/browser.css
+++ b/copyparty/web/browser.css
@@ -2096,10 +2096,6 @@ html.light #u2foot .warn span {
 	color: #fff;
 	padding-left: .2em;
 }
-#u2cleanup {
-	float: right;
-	margin-bottom: -.3em;
-}
 .fsearch_explain {
 	padding-left: .7em;
 	font-size: 1.1em;
diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index 788ff029..61dc4e27 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -122,7 +122,7 @@ ebi('op_up2k').innerHTML = (
 	'		<tr>\n' +
 	'			<td>filename</td>\n' +
 	'			<td>status</td>\n' +
-	'			<td>progress<a href="#" id="u2cleanup" tt="remove completed uploads$N(makes it possible to upload a file after searching for it)">cleanup</a></td>\n' +
+	'			<td>progress</td>\n' +
 	'		</tr>\n' +
 	'	</thead>\n' +
 	'	<tbody></tbody>\n' +
diff --git a/copyparty/web/up2k.js b/copyparty/web/up2k.js
index 26940964..5a580339 100644
--- a/copyparty/web/up2k.js
+++ b/copyparty/web/up2k.js
@@ -669,6 +669,7 @@ function up2k_init(subtle) {
 
     var st = {
         "files": [],
+        "seen": {},
         "todo": {
             "head": [],
             "hash": [],
@@ -994,13 +995,9 @@ function up2k_init(subtle) {
     }
 
     function up_them(good_files) {
-        var seen = {},
-            evpath = get_evpath(),
+        var evpath = get_evpath(),
             draw_each = good_files.length < 50;
 
-        for (var a = 0; a < st.files.length; a++)
-            seen[st.files[a].name + '\n' + st.files[a].size] = 1;
-
         for (var a = 0; a < good_files.length; a++) {
             var fobj = good_files[a][0],
                 name = good_files[a][1],
@@ -1026,15 +1023,20 @@ function up2k_init(subtle) {
                 "bytes_uploaded": 0,
                 "hash": []
             },
-                key = entry.name + '\n' + entry.size;
+                key = name + '\n' + entry.size + '\n' + lmod + '\n' + uc.fsearch;
 
             if (uc.fsearch)
                 entry.srch = 1;
 
-            if (seen[key])
-                continue;
+            try {
+                if (st.seen[fdir][key])
+                    continue;
+            }
+            catch (ex) {
+                st.seen[fdir] = {};
+            }
 
-            seen[key] = 1;
+            st.seen[fdir][key] = 1;
 
             pvis.addfile([
                 uc.fsearch ? esc(entry.name) : linksplit(
@@ -1067,20 +1069,6 @@ function up2k_init(subtle) {
     }
     more_one_file();
 
-    function u2cleanup(e) {
-        ev(e);
-        for (var a = 0; a < st.files.length; a++) {
-            var t = st.files[a];
-            if (t.done && t.name) {
-                if (!qsr('#f' + t.n))
-                    continue;
-
-                t.name = undefined;
-            }
-        }
-    }
-    ebi('u2cleanup').onclick = u2cleanup;
-
     var etaref = 0, etaskip = 0, op_minh = 0;
     function etafun() {
         var nhash = st.busy.head.length + st.busy.hash.length + st.todo.head.length + st.todo.hash.length,
diff --git a/docs/minimal-up2k.html b/docs/minimal-up2k.html
index 5426ebc0..a980b152 100644
--- a/docs/minimal-up2k.html
+++ b/docs/minimal-up2k.html
@@ -9,7 +9,7 @@
 
     #ops, #tree, #path, #wrap>h2:last-child,  /* main tabs and navigators (tree/breadcrumbs) */
 
-    #u2cleanup, #u2conf tr:first-child>td[rowspan]:not(#u2btn_cw),  /* most of the config options */
+    #u2conf tr:first-child>td[rowspan]:not(#u2btn_cw),  /* most of the config options */
 
     #srch_dz, #srch_zd,  /* the filesearch dropzone */