diff --git a/checkin_notes b/checkin_notes
index 224a69e342..c0e06fc318 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6349,3 +6349,11 @@ David  21 Sept 2011
         schema.sql
     py/Boinc/
         setup_project.py
+
+David  21 Sept 2011
+    - client: more stuff for replicated trickle ups
+
+    client/
+        cs_trickle.cpp
+        client_types.cpp
+        http_curl.cpp
diff --git a/client/client_types.cpp b/client/client_types.cpp
index ab6659d141..4f08b1a1d7 100644
--- a/client/client_types.cpp
+++ b/client/client_types.cpp
@@ -178,7 +178,7 @@ static bool parse_rsc_param(XML_PARSER& xp, const char* end_tag, int& rsc_type,
 //
 int PROJECT::parse_state(XML_PARSER& xp) {
     char buf[256];
-    std::string sched_url;
+    std::string sched_url, stemp;
     string str1, str2;
     int retval, rt;
     double x;
@@ -312,6 +312,9 @@ int PROJECT::parse_state(XML_PARSER& xp) {
         if (xp.parse_bool("scheduler_rpc_in_progress", btemp)) continue;
         if (xp.parse_bool("use_symlinks", use_symlinks)) continue;
         if (xp.parse_bool("anonymous_platform", btemp)) continue;
+        if (xp.parse_string("trickle_up_url", stemp)) {
+            trickle_up_ops.push_back(new TRICKLE_UP_OP(stemp));
+        }
         if (log_flags.unparsed_xml) {
             msg_printf(0, MSG_INFO,
                 "[unparsed_xml] PROJECT::parse_state(): unrecognized: %s",
@@ -477,6 +480,13 @@ int PROJECT::write_state(MIOFILE& out, bool gui_rpc) {
                 "    <code_sign_key>\n%s\n</code_sign_key>\n", code_sign_key
             );
         }
+        for (i=0; i<trickle_up_ops.size(); i++) {
+            TRICKLE_UP_OP* t = trickle_up_ops[i];
+            out.printf(
+                "    <trickle_up_url>%s</trickle_up_url>\n",
+                t->url.c_str()
+            );
+        }
     }
     out.printf(
         "</project>\n"
diff --git a/client/cs_trickle.cpp b/client/cs_trickle.cpp
index bc480e0d1b..475a086a48 100644
--- a/client/cs_trickle.cpp
+++ b/client/cs_trickle.cpp
@@ -171,11 +171,13 @@ void send_replicated_trickles(PROJECT* p, string& msg) {
 }
 
 // A scheduler reply gave us a list of trickle handler URLs.
-// If this is different than the list we currently have, replace it.
+// Add and remove as needed.
 //
 void update_trickle_up_urls(PROJECT* p, vector<string> &urls) {
     unsigned int i, j;
-    bool lists_equal = true;
+
+    // add new URLs
+    //
     for (i=0; i<urls.size(); i++) {
         string& url = urls[i];
         bool found = false;
@@ -187,36 +189,31 @@ void update_trickle_up_urls(PROJECT* p, vector<string> &urls) {
             }
         }
         if (!found) {
-            lists_equal = false;
+            p->trickle_up_ops.push_back(new TRICKLE_UP_OP(url));
             break;
         }
     }
-    if (lists_equal) {
-        for (j=0; j<p->trickle_up_ops.size(); j++) {
-            TRICKLE_UP_OP *t = p->trickle_up_ops[j];
-            bool found = false;
-            for (i=0; i<urls.size(); i++) {
-                string& url = urls[i];
-                if (t->url == url) {
-                    found = true;
-                    break;
-                }
-            }
-            if (!found) {
-                lists_equal = false;
+
+    // remove old URLs
+    //
+    vector<TRICKLE_UP_OP*>::iterator iter = p->trickle_up_ops.begin();
+    while (iter != p->trickle_up_ops.end()) {
+        TRICKLE_UP_OP *t = *iter;
+        bool found = false;
+        for (i=0; i<urls.size(); i++) {
+            string& url = urls[i];
+            if (t->url == url) {
+                found = true;
                 break;
             }
         }
-    }
-    if (lists_equal) return;
-    for (j=0; j<p->trickle_up_ops.size(); j++) {
-        TRICKLE_UP_OP *t = p->trickle_up_ops[j];
-        delete t;
-    }
-    p->trickle_up_ops.clear();
-    for (i=0; i<urls.size(); i++) {
-        string& url = urls[i];
-        p->trickle_up_ops.push_back(new TRICKLE_UP_OP(url));
+        if (!found) {
+            gstate.http_ops->remove(&(t->gui_http->http_op));
+            delete t;
+            iter = p->trickle_up_ops.erase(iter);
+        } else {
+            iter++;
+        }
     }
 }
 
diff --git a/client/http_curl.cpp b/client/http_curl.cpp
index 015b39ae82..80e8aad675 100644
--- a/client/http_curl.cpp
+++ b/client/http_curl.cpp
@@ -740,7 +740,6 @@ int HTTP_OP_SET::remove(HTTP_OP* p) {
         }
         iter++;
     }
-    msg_printf(NULL, MSG_INTERNAL_ERROR, "HTTP operation not found");
     return ERR_NOT_FOUND;
 }