diff -u -r ../raw/sched/src/com/android/sched/util/log/tracer/ProbeManager.java ./sched/src/com/android/sched/util/log/tracer/ProbeManager.java
--- ../raw/sched/src/com/android/sched/util/log/tracer/ProbeManager.java	2016-10-03 10:53:49.000000000 -0400
+++ ./sched/src/com/android/sched/util/log/tracer/ProbeManager.java	2016-10-03 17:05:07.716121072 -0400
@@ -41,7 +41,7 @@
   private static final PropertyId<ProbeManager> PROBE_MANAGER = PropertyId.create(
       "sched.tracer.probes", "Define which probes use for tracing",
       new ProbeManagerCodec()).addDefaultValue(
-      "event-count,gc-duration,thread-cpu-time");
+      "");
 
   @Nonnull
   public static final ThreadLocal<Boolean> enable = new ThreadLocal<Boolean>() {
diff -u -r ../raw/sched/src/com/android/sched/util/log/tracer/TemplateFtl.java ./sched/src/com/android/sched/util/log/tracer/TemplateFtl.java
--- ../raw/sched/src/com/android/sched/util/log/tracer/TemplateFtl.java	2016-10-03 10:53:49.000000000 -0400
+++ ./sched/src/com/android/sched/util/log/tracer/TemplateFtl.java	2016-10-03 17:03:38.829479240 -0400
@@ -18,7 +18,6 @@
 
 import com.android.sched.util.log.tracer.probe.EventCountProbe;
 import com.android.sched.util.log.tracer.probe.GcCountProbe;
-import com.android.sched.util.log.tracer.probe.GcDurationProbe;
 import com.android.sched.util.log.tracer.probe.HeapAllocationCountProbe;
 import com.android.sched.util.log.tracer.probe.HeapAllocationSizeProbe;
 import com.android.sched.util.log.tracer.probe.HeapMemoryProbe;
@@ -55,8 +54,6 @@
           new MappingProbe[]{new MappingProbe(HeapAllocationSizeProbe.class, "memory")}, null),
   HEAP_ALLOCATION_COUNT("Heap allocation count usage", "count.html.ftl", "heap-alloc-count.html",
           new MappingProbe[]{new MappingProbe(HeapAllocationCountProbe.class, "count")}, null),
-  GC_TIME("Garbage Collector duration", "time.html.ftl", "time-gc.html",
-      new MappingProbe[]{new MappingProbe(GcDurationProbe.class, "time")}, null),
   GC_COUNT("Garbage Collector count", "count.html.ftl", "count-gc.html",
       new MappingProbe[]{new MappingProbe(GcCountProbe.class, "count")}, null),
   CONTENTION_DURATION("Contention duration", "time.html.ftl", "time-contention.html",