diff --git a/layout/base/RestyleLogging.h b/layout/base/RestyleLogging.h
deleted file mode 100644
index fffa963a683b..000000000000
--- a/layout/base/RestyleLogging.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/**
- * Macros used to log restyle events.
- */
-
-#ifndef mozilla_RestyleLogging_h
-#define mozilla_RestyleLogging_h
-
-#include "mozilla/AutoRestore.h"
-
-#ifdef DEBUG
-#endif
-
-#ifdef RESTYLE_LOGGING
-#define LOG_RESTYLE_VAR2(prefix_, suffix_) prefix_##suffix_
-#define LOG_RESTYLE_VAR(prefix_, suffix_) LOG_RESTYLE_VAR2(prefix_, suffix_)
-#define LOG_RESTYLE_DEPTH LOG_RESTYLE_VAR(restyle_depth_, __LINE__)
-#define LOG_RESTYLE_IF(object_, cond_, message_, ...)                         \
-  PR_BEGIN_MACRO                                                              \
-    if (object_->ShouldLogRestyle() && (cond_)) {                             \
-      nsCString line;                                                         \
-      for (int32_t LOG_RESTYLE_VAR(rs_depth_, __LINE__) = 0;                  \
-           LOG_RESTYLE_VAR(rs_depth_, __LINE__) < object_->LoggingDepth();    \
-           LOG_RESTYLE_VAR(rs_depth_, __LINE__)++) {                          \
-        line.AppendLiteral("  ");                                             \
-      }                                                                       \
-      line.AppendPrintf(message_, ##__VA_ARGS__);                             \
-      printf_stderr("%s\n", line.get());                                      \
-    }                                                                         \
-  PR_END_MACRO
-#define LOG_RESTYLE(message_, ...)                                            \
-  LOG_RESTYLE_IF(this, true, message_, ##__VA_ARGS__)
-// Beware that LOG_RESTYLE_INDENT is two statements not wrapped in a block.
-#define LOG_RESTYLE_INDENT()                                                  \
-  AutoRestore<int32_t> LOG_RESTYLE_VAR(ar_depth_, __LINE__)(LoggingDepth());  \
-  ++LoggingDepth();
-#else
-#define LOG_RESTYLE_IF(cond_, message_, ...) /* nothing */
-#define LOG_RESTYLE(message_, ...) /* nothing */
-#define LOG_RESTYLE_INDENT() /* nothing */
-#endif
-
-#endif /* mozilla_RestyleLogging_h */
diff --git a/layout/base/RestyleManager.h b/layout/base/RestyleManager.h
index 9ab8af29273c..b6f7faae61dd 100644
--- a/layout/base/RestyleManager.h
+++ b/layout/base/RestyleManager.h
@@ -7,6 +7,7 @@
 #ifndef mozilla_RestyleManager_h
 #define mozilla_RestyleManager_h
 
+#include "mozilla/AutoRestore.h"
 #include "mozilla/EventStates.h"
 #include "mozilla/Maybe.h"
 #include "mozilla/OverflowChangedTracker.h"
diff --git a/layout/base/RestyleTrackerInlines.h b/layout/base/RestyleTrackerInlines.h
deleted file mode 100644
index 67375b335794..000000000000
--- a/layout/base/RestyleTrackerInlines.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_RestyleTrackerInlines_h
-#define mozilla_RestyleTrackerInlines_h
-
-#ifdef RESTYLE_LOGGING
-bool
-mozilla::RestyleTracker::ShouldLogRestyle()
-{
-  return mRestyleManager->ShouldLogRestyle();
-}
-
-int32_t&
-mozilla::RestyleTracker::LoggingDepth()
-{
-  return mRestyleManager->LoggingDepth();
-}
-#endif
-
-#endif // !defined(mozilla_RestyleTrackerInlines_h)
diff --git a/layout/base/moz.build b/layout/base/moz.build
index 606066fa6b4d..a677b49866b1 100644
--- a/layout/base/moz.build
+++ b/layout/base/moz.build
@@ -79,7 +79,6 @@ EXPORTS.mozilla += [
     'GeometryUtils.h',
     'OverflowChangedTracker.h',
     'PresShell.h',
-    'RestyleLogging.h',
     'RestyleManager.h',
     'ShapeUtils.h',
     'StaticPresData.h',
diff --git a/layout/base/nsPresContext.cpp b/layout/base/nsPresContext.cpp
index 6be2651da94f..121634e68c9a 100644
--- a/layout/base/nsPresContext.cpp
+++ b/layout/base/nsPresContext.cpp
@@ -265,9 +265,6 @@ nsPresContext::nsPresContext(nsIDocument* aDocument, nsPresContextType aType)
     mQuirkSheetAdded(false),
     mNeedsPrefUpdate(false),
     mHadNonBlankPaint(false)
-#ifdef RESTYLE_LOGGING
-    , mRestyleLoggingEnabled(false)
-#endif
 #ifdef DEBUG
     , mInitialized(false)
 #endif
@@ -944,10 +941,6 @@ nsPresContext::Init(nsDeviceContext* aDeviceContext)
 
   mEventManager->SetPresContext(this);
 
-#ifdef RESTYLE_LOGGING
-  mRestyleLoggingEnabled = GeckoRestyleManager::RestyleLoggingInitiallyEnabled();
-#endif
-
 #ifdef DEBUG
   mInitialized = true;
 #endif
diff --git a/layout/base/nsPresContext.h b/layout/base/nsPresContext.h
index 2a51de0cba02..c3b0574b0682 100644
--- a/layout/base/nsPresContext.h
+++ b/layout/base/nsPresContext.h
@@ -43,7 +43,6 @@
 #include "nsThreadUtils.h"
 #include "ScrollbarStyles.h"
 #include "nsIMessageManager.h"
-#include "mozilla/RestyleLogging.h"
 #include "Units.h"
 #include "prenv.h"
 #include "mozilla/StaticPresData.h"
@@ -1259,14 +1258,6 @@ public:
    */
   bool MayHavePaintEventListenerInSubDocument();
 
-#ifdef RESTYLE_LOGGING
-  // Controls for whether debug information about restyling in this
-  // document should be output.
-  bool RestyleLoggingEnabled() const { return mRestyleLoggingEnabled; }
-  void StartRestyleLogging() { mRestyleLoggingEnabled = true; }
-  void StopRestyleLogging() { mRestyleLoggingEnabled = false; }
-#endif
-
   void InvalidatePaintedLayers();
 
 protected:
@@ -1504,11 +1495,6 @@ protected:
   // Has NotifyNonBlankPaint been called on this PresContext?
   unsigned              mHadNonBlankPaint : 1;
 
-#ifdef RESTYLE_LOGGING
-  // Should we output debug information about restyling for this document?
-  unsigned mRestyleLoggingEnabled : 1;
-#endif
-
 #ifdef DEBUG
   unsigned mInitialized : 1;
 #endif
diff --git a/layout/style/ComputedStyle.h b/layout/style/ComputedStyle.h
index ab253e32a641..1ddf923ab1a7 100644
--- a/layout/style/ComputedStyle.h
+++ b/layout/style/ComputedStyle.h
@@ -13,7 +13,6 @@
 #include <algorithm>
 #include "mozilla/ArenaObjectID.h"
 #include "mozilla/Assertions.h"
-#include "mozilla/RestyleLogging.h"
 #include "mozilla/ServoTypes.h"
 #include "mozilla/ServoUtils.h"
 #include "mozilla/StyleComplexColor.h"