diff --git a/poky/scripts/oe-build-perf-report b/poky/scripts/oe-build-perf-report
index 266700d..7812ea4 100755
--- a/poky/scripts/oe-build-perf-report
+++ b/poky/scripts/oe-build-perf-report
@@ -336,9 +336,7 @@
                 test_i = test_data['tests'][test]
                 meas_i = test_i['measurements'][meas]
                 commit_num = get_data_item(meta, 'layers.meta.commit_count')
-                # Add start_time for both test measurement types of sysres and disk usage
-                start_time = test_i['start_time'][0]
-                samples.append(measurement_stats(meas_i, '', start_time))
+                samples.append(measurement_stats(meas_i))
                 samples[-1]['commit_num'] = commit_num
 
             absdiff = samples[-1]['val_cls'](samples[-1]['mean'] - samples[id_comp]['mean'])
@@ -475,7 +473,7 @@
     group.add_argument('--branch', '-B', default='master', help="Branch to find commit in")
     group.add_argument('--branch2', help="Branch to find comparision revisions in")
     group.add_argument('--machine', default='qemux86')
-    group.add_argument('--history-length', default=300, type=int,
+    group.add_argument('--history-length', default=25, type=int,
                        help="Number of tested revisions to plot in html report")
     group.add_argument('--commit',
                        help="Revision to search for")