--- a/gfx/thebes/gfxPrefs.cpp
+++ b/gfx/thebes/gfxPrefs.cpp
@@ -306,13 +306,8 @@ void gfxPrefs::CopyPrefValue(const GfxPr
 {
   *aOutValue = aValue->get_nsCString().get();
 }
 
 bool gfxPrefs::OverrideBase_WebRender()
 {
   return gfx::gfxVars::UseWebRender();
 }
-
-bool gfxPrefs::OverrideBase_WebRendest()
-{
-  return gfx::gfxVars::UseWebRender() && gfxPrefs::WebRendestEnabled();
-}

--- a/gfx/thebes/gfxPrefs.h
+++ b/gfx/thebes/gfxPrefs.h
@@ -498,17 +498,16 @@ private:
   DECL_GFX_PREF(Once, "gfx.touch.resample.old-touch-threshold",TouchResampleOldTouchThreshold, int32_t, 17);
   DECL_GFX_PREF(Once, "gfx.touch.resample.vsync-adjust",       TouchVsyncSampleAdjust, int32_t, 5);
 
   DECL_GFX_PREF(Live, "gfx.vsync.collect-scroll-transforms",   CollectScrollTransforms, bool, false);
   DECL_GFX_PREF(Once, "gfx.vsync.compositor.unobserve-count",  CompositorUnobserveCount, int32_t, 10);
 
   DECL_GFX_PREF(Live, "gfx.webrender.blob-images",             WebRenderBlobImages, bool, false);
   DECL_GFX_PREF(Live, "gfx.webrender.highlight-painted-layers",WebRenderHighlightPaintedLayers, bool, false);
-  DECL_GFX_PREF(Live, "gfx.webrendest.enabled",                WebRendestEnabled, bool, false);
 
   // Use vsync events generated by hardware
   DECL_GFX_PREF(Once, "gfx.work-around-driver-bugs",           WorkAroundDriverBugs, bool, true);
   DECL_GFX_PREF(Once, "gfx.screen-mirroring.enabled",          ScreenMirroringEnabled, bool, false);
 
   DECL_GFX_PREF(Live, "gl.ignore-dx-interop2-blacklist",       IgnoreDXInterop2Blacklist, bool, false);
   DECL_GFX_PREF(Live, "gl.msaa-level",                         MSAALevel, uint32_t, 2);
 #if defined(XP_MACOSX)
@@ -828,17 +827,16 @@ private:
   static void CopyPrefValue(const GfxPrefValue* aValue, std::string* aOutValue);
 
   static void AssertMainThread();
 
   // Some wrapper functions for the DECL_OVERRIDE_PREF prefs' base values, so
   // that we don't to include all sorts of header files into this gfxPrefs.h
   // file.
   static bool OverrideBase_WebRender();
-  static bool OverrideBase_WebRendest();
 
   gfxPrefs();
   ~gfxPrefs();
   gfxPrefs(const gfxPrefs&) = delete;
   gfxPrefs& operator=(const gfxPrefs&) = delete;
 };
 
 #undef DECL_GFX_PREF /* Don't need it outside of this file */

--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -892,19 +892,16 @@ pref("gfx.webrender.highlight-painted-la
 pref("gfx.webrender.blob-images", false);
 
 // WebRender debugging utilities.
 pref("gfx.webrender.debug.texture-cache", false);
 pref("gfx.webrender.debug.render-targets", false);
 pref("gfx.webrender.debug.alpha-primitives", false);
 pref("gfx.webrender.debug.profiler", false);
 
-// Whether webrender should be used as much as possible.
-pref("gfx.webrendest.enabled", false);
-
 pref("accessibility.browsewithcaret", false);
 pref("accessibility.warn_on_browsewithcaret", true);
 
 pref("accessibility.browsewithcaret_shortcut.enabled", true);
 
 #ifndef XP_MACOSX
 // Tab focus model bit field:
 // 1 focuses text controls, 2 focuses other form elements, 4 adds links.