diff --git a/api/boinc_api.C b/api/boinc_api.C
index 60d7d68a00..5b8770047f 100644
--- a/api/boinc_api.C
+++ b/api/boinc_api.C
@@ -91,7 +91,6 @@ static FILE_LOCK file_lock;
 APP_CLIENT_SHM* app_client_shm = 0;
 static volatile int time_until_checkpoint;
     // time until enable checkpoint
-static volatile int time_until_fraction_done_update;
     // time until report fraction done to core client
 static volatile double fraction_done;
 static volatile double last_checkpoint_cpu_time;
@@ -376,7 +375,6 @@ int boinc_init_options_general(BOINC_OPTIONS& opt) {
     fraction_done = -1;
     time_until_checkpoint = (int)aid.checkpoint_period;
     last_checkpoint_cpu_time = aid.wu_cpu_time;
-    time_until_fraction_done_update = (int)aid.fraction_done_update_period;
     last_wu_cpu_time = aid.wu_cpu_time;
 
     if (standalone) {
@@ -514,7 +512,6 @@ int boinc_parse_init_data_file() {
     aid.host_total_credit = 0;
     aid.host_expavg_credit = 0;
     aid.checkpoint_period = DEFAULT_CHECKPOINT_PERIOD;
-    aid.fraction_done_update_period = DEFAULT_FRACTION_DONE_UPDATE_PERIOD;
 
     if (!boinc_file_exists(INIT_DATA_FILE)) {
         fprintf(stderr,
@@ -598,13 +595,14 @@ int resume_activities() {
 #endif
     return 0;
 }
+
 int restore_activities() {
  int retval;
     if (boinc_status.suspended) {
-	    retval = suspend_activities();
-	    } else {
-	        retval = resume_activities();
-	    }
+        retval = suspend_activities();
+    } else {
+        retval = resume_activities();
+    }
     return retval;
 }
 
@@ -883,18 +881,14 @@ static void timer_handler() {
     // don't bother reporting CPU time etc. if we're suspended
     //
     if (options.send_status_msgs && !boinc_status.suspended) {
-        time_until_fraction_done_update -= 1;
-        if (time_until_fraction_done_update <= 0) {
-            double cur_cpu;
-            cur_cpu = boinc_worker_thread_cpu_time();
-            last_wu_cpu_time = cur_cpu + initial_wu_cpu_time;
-            update_app_progress(last_wu_cpu_time, last_checkpoint_cpu_time);
-            time_until_fraction_done_update = (int)aid.fraction_done_update_period;
-        }
+        double cur_cpu = boinc_worker_thread_cpu_time();
+        last_wu_cpu_time = cur_cpu + initial_wu_cpu_time;
+        update_app_progress(last_wu_cpu_time, last_checkpoint_cpu_time);
     }
     
-    // If running under V5 client, notify the client if the graphics app 
-    //    exits (e.g., if user clicked in the graphics window's close box.)
+    // If running under V5 client, notify the client if the graphics app exits
+    // (e.g., if user clicked in the graphics window's close box.)
+    //
     if (ga_win.pid) {
         if (! ga_win.is_running()) {
             app_client_shm->shm->graphics_reply.send_msg(
diff --git a/checkin_notes b/checkin_notes
index 550a6f2743..6f949244a3 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -4831,3 +4831,14 @@ David  13 June 2008
 
     html/user/
         create_profile.php
+
+David  13 June 2008
+    - API/runtime system: remove "fraction done update period" stuff.
+        This was always 1 second, which is fine.
+
+    api/
+        boinc_api.C
+    client/
+        app_start.C
+    lib/
+        app_ipc.C,h
diff --git a/client/app_start.C b/client/app_start.C
index b0ef31d374..ab987b00ab 100644
--- a/client/app_start.C
+++ b/client/app_start.C
@@ -187,7 +187,6 @@ int ACTIVE_TASK::write_app_init_file() {
     aid.rsc_memory_bound = wup->rsc_memory_bound;
     aid.rsc_disk_bound = wup->rsc_disk_bound;
     aid.checkpoint_period = gstate.global_prefs.disk_interval;
-    aid.fraction_done_update_period = DEFAULT_FRACTION_DONE_UPDATE_PERIOD;
     aid.fraction_done_start = 0;
     aid.fraction_done_end = 1;
 #ifdef _WIN32
diff --git a/lib/app_ipc.C b/lib/app_ipc.C
index d922324926..1cf065599f 100644
--- a/lib/app_ipc.C
+++ b/lib/app_ipc.C
@@ -137,7 +137,6 @@ int write_init_data_file(FILE* f, APP_INIT_DATA& ai) {
         "<host_expavg_credit>%f</host_expavg_credit>\n"
         "<resource_share_fraction>%f</resource_share_fraction>\n"
         "<checkpoint_period>%f</checkpoint_period>\n"
-        "<fraction_done_update_period>%f</fraction_done_update_period>\n"
         "<fraction_done_start>%f</fraction_done_start>\n"
         "<fraction_done_end>%f</fraction_done_end>\n"
         "<rsc_fpops_est>%f</rsc_fpops_est>\n"
@@ -152,7 +151,6 @@ int write_init_data_file(FILE* f, APP_INIT_DATA& ai) {
         ai.host_expavg_credit,
         ai.resource_share_fraction,
         ai.checkpoint_period,
-        ai.fraction_done_update_period,
         ai.fraction_done_start,
         ai.fraction_done_end,
         ai.rsc_fpops_est,
@@ -246,7 +244,6 @@ int parse_init_data_file(FILE* f, APP_INIT_DATA& ai) {
         if (xp.parse_double(tag, "rsc_disk_bound", ai.rsc_disk_bound)) continue;
         if (xp.parse_double(tag, "wu_cpu_time", ai.wu_cpu_time)) continue;
         if (xp.parse_double(tag, "checkpoint_period", ai.checkpoint_period)) continue;
-        if (xp.parse_double(tag, "fraction_done_update_period", ai.fraction_done_update_period)) continue;
         if (xp.parse_double(tag, "fraction_done_start", ai.fraction_done_start)) continue;
         if (xp.parse_double(tag, "fraction_done_end", ai.fraction_done_end)) continue;
         xp.skip_unexpected(tag, true, "parse_init_data_file");
diff --git a/lib/app_ipc.h b/lib/app_ipc.h
index d4d24b297d..d4ff15c36e 100644
--- a/lib/app_ipc.h
+++ b/lib/app_ipc.h
@@ -113,7 +113,6 @@ struct MSG_QUEUE {
 	bool timeout(double);
 };
 
-#define DEFAULT_FRACTION_DONE_UPDATE_PERIOD     1
 #define DEFAULT_CHECKPOINT_PERIOD               300
 
 #define SHM_PREFIX          "shm_"
@@ -191,7 +190,6 @@ struct APP_INIT_DATA {
     double checkpoint_period;     // recommended checkpoint period
     SHMEM_SEG_NAME shmem_seg_name;
     double wu_cpu_time;       // cpu time from previous episodes
-    double fraction_done_update_period;
 
     APP_INIT_DATA();
     APP_INIT_DATA(const APP_INIT_DATA&);  // copy constructor