--- a/gfx/webrender_bindings/webrender_ffi_generated.h
+++ b/gfx/webrender_bindings/webrender_ffi_generated.h
@@ -206,30 +206,16 @@ struct WrVecU8 {
 
   bool operator==(const WrVecU8& aOther) const {
     return data == aOther.data &&
            length == aOther.length &&
            capacity == aOther.capacity;
   }
 };
 
-struct WrAuxiliaryListsDescriptor {
-  size_t gradient_stops_size;
-  size_t complex_clip_regions_size;
-  size_t filters_size;
-  size_t glyph_instances_size;
-
-  bool operator==(const WrAuxiliaryListsDescriptor& aOther) const {
-    return gradient_stops_size == aOther.gradient_stops_size &&
-           complex_clip_regions_size == aOther.complex_clip_regions_size &&
-           filters_size == aOther.filters_size &&
-           glyph_instances_size == aOther.glyph_instances_size;
-  }
-};
-
 struct WrOpacityProperty {
   uint64_t id;
   float opacity;
 
   bool operator==(const WrOpacityProperty& aOther) const {
     return id == aOther.id &&
            opacity == aOther.opacity;
   }

--- a/toolkit/library/gtest/rust/Cargo.lock
+++ b/toolkit/library/gtest/rust/Cargo.lock
@@ -1039,16 +1039,17 @@ dependencies = [
  "webrender_traits 0.36.0",
 ]
 
 [[package]]
 name = "webrender_traits"
 version = "0.36.0"
 dependencies = [
  "app_units 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.0.0-alpha6 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-graphics 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dwrote 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "gleam 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.9.9 (registry+https://github.com/rust-lang/crates.io-index)",

--- a/toolkit/library/rust/Cargo.lock
+++ b/toolkit/library/rust/Cargo.lock
@@ -1026,16 +1026,17 @@ dependencies = [
  "webrender_traits 0.36.0",
 ]
 
 [[package]]
 name = "webrender_traits"
 version = "0.36.0"
 dependencies = [
  "app_units 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.0.0-alpha6 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-graphics 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "dwrote 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "euclid 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "gleam 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.9.9 (registry+https://github.com/rust-lang/crates.io-index)",