diff --git a/ruy/BUILD b/ruy/BUILD
index 81d336aed1..5f103cf141 100644
--- a/ruy/BUILD
+++ b/ruy/BUILD
@@ -4,8 +4,8 @@ load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
 load("@bazel_skylib//lib:selects.bzl", "selects")
 load(":build_defs.bzl", "ruy_copts", "ruy_copts_avx", "ruy_copts_avx2_fma", "ruy_copts_avx512")
 load(":build_defs.oss.bzl", "ruy_linkopts_thread_standard_library")
-load(":ruy_test_ext.oss.bzl", "ruy_test_ext_defines", "ruy_test_ext_deps")
 load(":ruy_test.bzl", "ruy_benchmark", "ruy_test")
+load(":ruy_test_ext.oss.bzl", "ruy_test_ext_defines", "ruy_test_ext_deps")
 
 package(
     default_applicable_licenses = ["//third_party/ruy:license"],
diff --git a/ruy/build_defs.bzl b/ruy/build_defs.bzl
index d7c6f21437..28600a7cc3 100644
--- a/ruy/build_defs.bzl
+++ b/ruy/build_defs.bzl
@@ -54,14 +54,12 @@ def ruy_copts():
 def ruy_copts_avx():
     return select({
         "//ruy:x86_64_and_not_msvc": ["-mavx"],
-        "//tools/cc_target_os:windows_msvc": ["/arch:AVX"],
         "//conditions:default": [],
     })
 
 def ruy_copts_avx2_fma():
     return select({
         "//ruy:x86_64_and_not_msvc": ["-mavx2", "-mfma"],
-        "//tools/cc_target_os:windows_msvc": ["/arch:AVX2"],
         "//conditions:default": [],
     })
 
@@ -71,6 +69,5 @@ def ruy_copts_avx512():
     # in optimized builds (-c opt).
     return select({
         "//ruy:x86_64_and_not_msvc": ["$(STACK_FRAME_UNLIMITED)", "-mavx512f", "-mavx512vl", "-mavx512cd", "-mavx512bw", "-mavx512dq"],
-        "//tools/cc_target_os:windows_msvc": ["/arch:AVX512"],
         "//conditions:default": [],
     })
diff --git a/ruy/profiler/instrumentation.h b/ruy/profiler/instrumentation.h
index c4df1e68fb..2b15ae369c 100644
--- a/ruy/profiler/instrumentation.h
+++ b/ruy/profiler/instrumentation.h
@@ -19,6 +19,7 @@ limitations under the License.
 #ifdef RUY_PROFILER
 #include <cstdio>
 #include <mutex>
+#include <string>
 #include <vector>
 #endif