diff --git a/gn/core.gni b/gn/core.gni
index 55b5cea..11a593b 100644
--- a/gn/core.gni
+++ b/gn/core.gni
@@ -32,7 +32,6 @@
   "$_include/core/SkDrawable.h",
   "$_include/core/SkEncodedImageFormat.h",
   "$_include/core/SkExecutor.h",
-  "$_include/core/SkFilterQuality.h",
   "$_include/core/SkFlattenable.h",
   "$_include/core/SkFont.h",
   "$_include/core/SkFontArguments.h",
diff --git a/include/core/SkFilterQuality.h b/include/core/SkFilterQuality.h
deleted file mode 100644
index 465fed0..0000000
--- a/include/core/SkFilterQuality.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkFilterQuality_DEFINED
-#define SkFilterQuality_DEFINED
-
-#include "include/core/SkTypes.h"
-
-#ifndef SK_SUPPORT_LEGACY_FILTERQUALITY
-//#define SK_SUPPORT_LEGACY_FILTERQUALITY
-#endif
-
-#ifdef SK_SUPPORT_LEGACY_FILTERQUALITY
-
-/**
- *  Controls how much filtering to be done when scaling/transforming complex colors
- *  e.g. images.
-    These values are persisted to logs. Entries should not be renumbered and
-    numeric values should never be reused.
- */
-enum SkFilterQuality {
-    kNone_SkFilterQuality   = 0,    //!< nearest-neighbor; fastest but lowest quality
-    kLow_SkFilterQuality    = 1,    //!< bilerp
-    kMedium_SkFilterQuality = 2,    //!< bilerp + mipmaps; good for down-scaling
-    kHigh_SkFilterQuality   = 3,    //!< bicubic resampling; slowest but good quality
-
-    kLast_SkFilterQuality = kHigh_SkFilterQuality,
-};
-
-#endif
-
-#endif
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h
index 8de60b2..e3cc039 100644
--- a/include/core/SkPaint.h
+++ b/include/core/SkPaint.h
@@ -10,7 +10,6 @@
 
 #include "include/core/SkBlendMode.h"
 #include "include/core/SkColor.h"
-#include "include/core/SkFilterQuality.h"
 #include "include/core/SkRefCnt.h"
 #include "include/private/SkTOptional.h"
 #include "include/private/SkTo.h"
diff --git a/include/core/SkSamplingOptions.h b/include/core/SkSamplingOptions.h
index 6296bfce..468cf5b 100644
--- a/include/core/SkSamplingOptions.h
+++ b/include/core/SkSamplingOptions.h
@@ -8,7 +8,7 @@
 #ifndef SkImageSampling_DEFINED
 #define SkImageSampling_DEFINED
 
-#include "include/core/SkFilterQuality.h"
+#include "include/core/SkTypes.h"
 #include <new>
 
 enum class SkFilterMode {
@@ -79,14 +79,6 @@
         : useCubic(true)
         , cubic(c) {}
 
-#ifdef SK_SUPPORT_LEGACY_FILTERQUALITY
-    enum MediumBehavior {
-        kMedium_asMipmapNearest,    // historic cpu behavior
-        kMedium_asMipmapLinear,     // historic gpu behavior
-    };
-    explicit SkSamplingOptions(SkFilterQuality, MediumBehavior = kMedium_asMipmapNearest);
-#endif
-
     bool operator==(const SkSamplingOptions& other) const {
         return useCubic == other.useCubic
             && cubic.B  == other.cubic.B
diff --git a/src/image/SkImage.cpp b/src/image/SkImage.cpp
index 171f50b..1db67bd 100644
--- a/src/image/SkImage.cpp
+++ b/src/image/SkImage.cpp
@@ -842,9 +842,3 @@
         buffer.writeUInt((unsigned)sampling.mipmap);
     }
 }
-
-#ifdef SK_SUPPORT_LEGACY_FILTERQUALITY
-SkSamplingOptions::SkSamplingOptions(SkFilterQuality fq, MediumBehavior behavior) {
-    *this = SkSamplingPriv::FromFQ((SkLegacyFQ)fq, (SkMediumAs)behavior);
-}
-#endif