diff --git a/dev/core/src/com/google/gwt/dev/PermutationWorkerFactory.java b/dev/core/src/com/google/gwt/dev/PermutationWorkerFactory.java
index 3488902..0d212e0 100644
--- a/dev/core/src/com/google/gwt/dev/PermutationWorkerFactory.java
+++ b/dev/core/src/com/google/gwt/dev/PermutationWorkerFactory.java
@@ -61,8 +61,6 @@
       }
 
       public void run() {
-        Event permutationWorkerEvent =
-            SpeedTracerLogger.start(CompilerEventType.PERMUTATION_WORKER, "name", worker.getName());
         Result threadDeathResult = Result.FAIL;
         try {
           while (true) {
@@ -90,7 +88,6 @@
         } catch (InterruptedException e) {
           return;
         } finally {
-          permutationWorkerEvent.end();
           // Record why I died.
           try {
             resultsQueue.put(threadDeathResult);
diff --git a/dev/core/src/com/google/gwt/dev/util/log/speedtracer/CompilerEventType.java b/dev/core/src/com/google/gwt/dev/util/log/speedtracer/CompilerEventType.java
index 70ec655..62fddc8 100644
--- a/dev/core/src/com/google/gwt/dev/util/log/speedtracer/CompilerEventType.java
+++ b/dev/core/src/com/google/gwt/dev/util/log/speedtracer/CompilerEventType.java
@@ -44,7 +44,6 @@
   BUILD_AST("BuildAST", "DarkGoldenRod"), //
   FUNCTION_CLUSTER("JsFunctionClusterer","Cornflower"), //
   BLOCKED("Blocked", "FloralWhite"), //
-  PERMUTATION_WORKER("PermuationWorker", "SpringGreen"), //
   GET_ALL_REBINDS("GetAllPossibleRebindAnswers", "Brown"), //
   FIND_ENTRY_POINTS("FindEntryPoints", "SlateGray"), //
   VALIDATE("Validate", "YellowGreen"), //