diff --git a/ash/common/shelf/wm_shelf.cc b/ash/common/shelf/wm_shelf.cc
index 75bf105b16d6c..72de8ab0b6881 100644
--- a/ash/common/shelf/wm_shelf.cc
+++ b/ash/common/shelf/wm_shelf.cc
@@ -58,7 +58,7 @@ class WmShelf::AutoHideEventHandler : public ui::EventHandler {
 
 // WmShelf ---------------------------------------------------------------------
 
-WmShelf::WmShelf() : time_last_auto_hide_change_(base::TimeTicks::Now()) {}
+WmShelf::WmShelf() {}
 
 WmShelf::~WmShelf() {}
 
@@ -213,19 +213,6 @@ void WmShelf::SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide_behavior) {
   if (auto_hide_behavior_ == auto_hide_behavior)
     return;
 
-  // Force a stack dump when this method is invoked too frequently.
-  // This block is here temporary to help investigate http://crbug.com/665093 .
-  constexpr int kAutoHideRepeatInterval = 1000;
-  constexpr int kMaxAutoHideChanges = 20;
-  if ((base::TimeTicks::Now() - time_last_auto_hide_change_).InMilliseconds() <
-      kAutoHideRepeatInterval) {
-    if (++count_auto_hide_changes_ > kMaxAutoHideChanges)
-      CHECK(false);
-  } else {
-    count_auto_hide_changes_ = 0;
-  }
-  time_last_auto_hide_change_ = base::TimeTicks::Now();
-
   auto_hide_behavior_ = auto_hide_behavior;
   WmShell::Get()->shelf_controller()->NotifyShelfAutoHideBehaviorChanged(this);
   WmShell::Get()->NotifyShelfAutoHideBehaviorChanged(
diff --git a/ash/common/shelf/wm_shelf.h b/ash/common/shelf/wm_shelf.h
index 64b00620ac88c..ee88e94b1525b 100644
--- a/ash/common/shelf/wm_shelf.h
+++ b/ash/common/shelf/wm_shelf.h
@@ -11,7 +11,6 @@
 #include "ash/common/shelf/shelf_layout_manager_observer.h"
 #include "ash/public/cpp/shelf_types.h"
 #include "base/observer_list.h"
-#include "base/time/time.h"
 
 namespace gfx {
 class Rect;
@@ -172,10 +171,6 @@ class ASH_EXPORT WmShelf : public ShelfLayoutManagerObserver {
 
   base::ObserverList<WmShelfObserver> observers_;
 
-  // Temporary. Used to investigate http://crbug.com/665093 .
-  base::TimeTicks time_last_auto_hide_change_;
-  int count_auto_hide_changes_ = 0;
-
   // Forwards mouse and gesture events to ShelfLayoutManager for auto-hide.
   // TODO(mash): Facilitate simliar functionality in mash: crbug.com/631216
   std::unique_ptr<AutoHideEventHandler> auto_hide_event_handler_;
diff --git a/ash/shelf/shelf_layout_manager_unittest.cc b/ash/shelf/shelf_layout_manager_unittest.cc
index 550307ec8f186..b5ee95f461350 100644
--- a/ash/shelf/shelf_layout_manager_unittest.cc
+++ b/ash/shelf/shelf_layout_manager_unittest.cc
@@ -581,10 +581,6 @@ void ShelfLayoutManagerTest::RunGestureDragTests(gfx::Vector2d delta) {
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());
   EXPECT_EQ(SHELF_AUTO_HIDE_SHOWN, shelf->GetAutoHideState());
   EXPECT_EQ(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS, shelf->auto_hide_behavior());
-
-  // Avoid a CHECK that makes sure SetAutoHideBehavior is not called too
-  // frequently. This is to help investigate http://crbug.com/665093 .
-  shelf->count_auto_hide_changes_ = 0;
 }
 
 // Makes sure SetVisible updates work area and widget appropriately.