diff --git a/tests/unit/dirutil_test.cpp b/tests/unit/dirutil_test.cpp
index 7f85d13..1ca786c 100644
--- a/tests/unit/dirutil_test.cpp
+++ b/tests/unit/dirutil_test.cpp
@@ -22,7 +22,8 @@
 
 #include <android-base/test_utils.h>
 #include <gtest/gtest.h>
-#include <otautil/DirUtil.h>
+
+#include "otautil/dirutil.h"
 
 TEST(DirUtilTest, create_invalid) {
   // Requesting to create an empty dir is invalid.
diff --git a/tests/unit/sysutil_test.cpp b/tests/unit/sysutil_test.cpp
index 434ee25..19fa4c5 100644
--- a/tests/unit/sysutil_test.cpp
+++ b/tests/unit/sysutil_test.cpp
@@ -14,14 +14,13 @@
  * limitations under the License.
  */
 
-#include <gtest/gtest.h>
-
 #include <string>
 
 #include <android-base/file.h>
 #include <android-base/test_utils.h>
+#include <gtest/gtest.h>
 
-#include "otautil/SysUtil.h"
+#include "otautil/sysutil.h"
 
 TEST(SysUtilTest, InvalidArgs) {
   MemMapping mapping;
diff --git a/tests/unit/zip_test.cpp b/tests/unit/zip_test.cpp
index 8276685..47f33d9 100644
--- a/tests/unit/zip_test.cpp
+++ b/tests/unit/zip_test.cpp
@@ -23,10 +23,10 @@
 #include <android-base/file.h>
 #include <android-base/test_utils.h>
 #include <gtest/gtest.h>
-#include <otautil/SysUtil.h>
 #include <ziparchive/zip_archive.h>
 
 #include "common/test_constants.h"
+#include "otautil/sysutil.h"
 
 TEST(ZipTest, OpenFromMemory) {
   std::string zip_path = from_testdata_base("ziptest_dummy-update.zip");