diff --git a/patches/trivalent/fixes/152-fixes.patch b/patches/trivalent/fixes/152-fixes.patch
new file mode 100644
index 00000000..cf6e6482
--- /dev/null
+++ b/patches/trivalent/fixes/152-fixes.patch
@@ -0,0 +1,40 @@
+diff --git a/components/cbor/BUILD.gn b/components/cbor/BUILD.gn
+index 91fbfffd3c..f8f8a4c01f 100644
+--- a/components/cbor/BUILD.gn
++++ b/components/cbor/BUILD.gn
+@@ -12,7 +12,7 @@ buildflag_header("buildflags") {
+   # TODO(crbug.com/535682335): Remove `USE_CBOR_RUST` buildflag entirely,
+   # unconditionally enable Rust CBOR parser, and drop `is_cronet_build` check
+   # once Cronet supports Crubit dependencies.
+-  flags = [ "USE_CBOR_RUST=!$is_cronet_build" ]
++  flags = [ "USE_CBOR_RUST=false" ]
+ }
+
+ component("cbor") {
+@@ -36,13 +36,6 @@ component("cbor") {
+     ":buildflags",
+     "//base",
+   ]
+-
+-  if (!is_cronet_build) {
+-    public_deps = [
+-      "//build/rust/crubit",
+-      "//components/cbor/rust:cbor_rust_bindings",
+-    ]
+-  }
+ }
+
+ source_set("unit_tests") {
+diff --git a/third_party/dawn/src/utils/BUILD.gn b/third_party/dawn/src/utils/BUILD.gn
+index b9f0be693..ed7ad3b6d 100644
+--- a/third_party/dawn/src/utils/BUILD.gn
++++ b/third_party/dawn/src/utils/BUILD.gn
+@@ -218,8 +218,6 @@ config("dawn_warnings") {
+       # the analysis pass.
+       "-Wno-lifetime-safety",
+       "-Wno-lifetime-safety-all",
+-      "-Xclang=-fno-lifetime-safety-inference",
+-      "-Xclang=-fno-experimental-lifetime-safety-tu-analysis",
+     ]
+
+     # P3. Checks that could be nice but probably don't help with hardening.