diff --git a/client/annotation.h b/client/annotation.h
index 40f54814..141aa123 100644
--- a/client/annotation.h
+++ b/client/annotation.h
@@ -25,6 +25,7 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/numerics/safe_conversions.h"
+#include "build/build_config.h"
 
 namespace crashpad {
 
diff --git a/util/file/filesystem_test.cc b/util/file/filesystem_test.cc
index d83172d6..8657e5b0 100644
--- a/util/file/filesystem_test.cc
+++ b/util/file/filesystem_test.cc
@@ -15,6 +15,7 @@
 #include "util/file/filesystem.h"
 
 #include "base/logging.h"
+#include "build/build_config.h"
 #include "gtest/gtest.h"
 #include "test/gtest_disabled.h"
 #include "test/scoped_temp_dir.h"