diff --git a/src/3rdparty/chromium/build/config/compiler/BUILD.gn b/src/3rdparty/chromium/build/config/compiler/BUILD.gn
index ddb378574..93d6eb9c7 100644
--- a/src/3rdparty/chromium/build/config/compiler/BUILD.gn
+++ b/src/3rdparty/chromium/build/config/compiler/BUILD.gn
@@ -1287,7 +1287,7 @@ config("compiler_cpu_abi") {
       if (!is_nacl) {
         cflags += [
           "-mfpmath=387",
-          "-msse3",
+          ## "-msse3",
         ]
       }
     } else if (current_cpu == "arm") {
diff --git a/src/3rdparty/chromium/third_party/skia/third_party/zlib/BUILD.gn b/src/3rdparty/chromium/third_party/skia/third_party/zlib/BUILD.gn
index f9717b7b8..c7b64e32b 100644
--- a/src/3rdparty/chromium/third_party/skia/third_party/zlib/BUILD.gn
+++ b/src/3rdparty/chromium/third_party/skia/third_party/zlib/BUILD.gn
@@ -32,7 +32,7 @@ if (skia_use_system_zlib) {
   use_arm_neon_optimizations =
       (current_cpu == "arm" || current_cpu == "arm64") && (is_clang || !is_win)
   use_x86_x64_optimizations =
-      (current_cpu == "x86" || current_cpu == "x64") && !is_ios
+      (current_cpu == "x86" || current_cpu == "x64") && !is_ios && 0 #disable
 
   config("zlib_adler32_simd_config") {
     if (use_x86_x64_optimizations) {