--- a/layout/style/ServoUtils.h
+++ b/layout/style/ServoUtils.h
@@ -30,62 +30,9 @@ inline bool IsInServoTraversal()
   // are generally unprepared to deal with non-Servo-but-also-non-main-thread
   // callers, and are likely to take the main-thread codepath if this function
   // returns false. So we assert against other non-main-thread callers here.
   MOZ_ASSERT(sInServoTraversal || NS_IsMainThread());
   return sInServoTraversal;
 }
 } // namespace mozilla
 
-#define MOZ_DECL_STYLO_CONVERT_METHODS_SERVO(servotype_) \
-  inline servotype_* AsServo();                         \
-  inline const servotype_* AsServo() const;             \
-  inline servotype_* GetAsServo();                      \
-  inline const servotype_* GetAsServo() const;
-
-#define MOZ_DECL_STYLO_CONVERT_METHODS(geckotype_, servotype_) \
-  MOZ_DECL_STYLO_CONVERT_METHODS_SERVO(servotype_)
-
-/**
- * Macro used in a base class of |geckotype_| and |servotype_|.
- * The class should define |StyleBackendType mType;| itself.
- */
-#define MOZ_DECL_STYLO_METHODS(geckotype_, servotype_)  \
-  MOZ_DECL_STYLO_CONVERT_METHODS(geckotype_, servotype_)
-
-#define MOZ_DEFINE_STYLO_METHODS_SERVO(type_, servotype_) \
-  servotype_* type_::AsServo() {                                \
-    return static_cast<servotype_*>(this);                      \
-  }                                                             \
-  const servotype_* type_::AsServo() const {                    \
-    return static_cast<const servotype_*>(this);                \
-  }                                                             \
-  servotype_* type_::GetAsServo() {                             \
-    return AsServo();                                           \
-  }                                                             \
-  const servotype_* type_::GetAsServo() const {                 \
-    return AsServo();                                           \
-  }
-
-
-/**
- * Macro used in inline header of class |type_| with its Gecko and Servo
- * subclasses named |geckotype_| and |servotype_| correspondingly for
- * implementing the inline methods defined by MOZ_DECL_STYLO_METHODS.
- */
-#define MOZ_DEFINE_STYLO_METHODS(type_, geckotype_, servotype_) \
-  MOZ_DEFINE_STYLO_METHODS_SERVO(type_, servotype_)
-
-#define MOZ_STYLO_THIS_TYPE  mozilla::RemovePointer<decltype(this)>::Type
-#define MOZ_STYLO_SERVO_TYPE mozilla::RemovePointer<decltype(AsServo())>::Type
-
-/**
- * Macro used to forward a method call to the concrete method defined by
- * the Servo or Gecko implementation. The class of the method using it
- * should use MOZ_DECL_STYLO_METHODS to define basic stylo methods.
- */
-#define MOZ_STYLO_FORWARD_CONCRETE(method_, geckoargs_, servoargs_)         \
-  return AsServo()->method_ servoargs_;
-
-#define MOZ_STYLO_FORWARD(method_, args_) \
-  MOZ_STYLO_FORWARD_CONCRETE(method_, args_, args_)
-
 #endif // mozilla_ServoUtils_h