6 files changed, 6 insertions, 23 deletions
diff --git a/libunwindstack/tests/DexFileData.h b/libunwindstack/tests/DexFileData.h
index 6975c68..d4408d9 100644
--- a/libunwindstack/tests/DexFileData.h
+++ b/libunwindstack/tests/DexFileData.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_DEXFILESDATA_H
-#define _LIBUNWINDSTACK_DEXFILESDATA_H
+#pragma once
 
 namespace unwindstack {
 
@@ -41,5 +40,3 @@ static constexpr uint32_t kDexData[] = {
 };
 
 }  // namespace unwindstack
-
-#endif  // _LIBUNWINDSTACK_DEXFILESDATA_H
diff --git a/libunwindstack/tests/ElfFake.h b/libunwindstack/tests/ElfFake.h
index 8c5b9ef..97d6dcc 100644
--- a/libunwindstack/tests/ElfFake.h
+++ b/libunwindstack/tests/ElfFake.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_TESTS_ELF_FAKE_H
-#define _LIBUNWINDSTACK_TESTS_ELF_FAKE_H
+#pragma once
 
 #include <stdint.h>
 
@@ -152,5 +151,3 @@ class ElfInterfaceArmFake : public ElfInterfaceArm {
 };
 
 }  // namespace unwindstack
-
-#endif  // _LIBUNWINDSTACK_TESTS_ELF_FAKE_H
diff --git a/libunwindstack/tests/ElfTestUtils.h b/libunwindstack/tests/ElfTestUtils.h
index 62cd59a..25f0052 100644
--- a/libunwindstack/tests/ElfTestUtils.h
+++ b/libunwindstack/tests/ElfTestUtils.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
-#define _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
+#pragma once
 
 #include <functional>
 #include <string>
@@ -34,5 +33,3 @@ void TestInitGnuDebugdata(uint32_t elf_class, uint32_t machine_type, bool init_g
 std::string TestGetFileDirectory();
 
 }  // namespace unwindstack
-
-#endif  // _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
diff --git a/libunwindstack/tests/LogFake.h b/libunwindstack/tests/LogFake.h
index e1dc50d..11f47b1 100644
--- a/libunwindstack/tests/LogFake.h
+++ b/libunwindstack/tests/LogFake.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_TESTS_LOG_FAKE_H
-#define _LIBUNWINDSTACK_TESTS_LOG_FAKE_H
+#pragma once
 
 #include <string>
 
@@ -26,5 +25,3 @@ std::string GetFakeLogBuf();
 std::string GetFakeLogPrint();
 
 }  // namespace unwindstack
-
-#endif  // _LIBUNWINDSTACK_TESTS_LOG_FAKE_H
diff --git a/libunwindstack/tests/TestUtils.h b/libunwindstack/tests/TestUtils.h
index 2378fd5..19cd693 100644
--- a/libunwindstack/tests/TestUtils.h
+++ b/libunwindstack/tests/TestUtils.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_TESTS_TEST_UTILS_H
-#define _LIBUNWINDSTACK_TESTS_TEST_UTILS_H
+#pragma once
 
 #include <signal.h>
 #include <stdint.h>
@@ -48,5 +47,3 @@ static inline void DoNotOptimize(Tp const& value) {
 }
 
 }  // namespace unwindstack
-
-#endif  // _LIBUNWINDSTACK_TESTS_TEST_UTILS_H
diff --git a/libunwindstack/tests/fuzz/UnwinderComponentCreator.h b/libunwindstack/tests/fuzz/UnwinderComponentCreator.h
index 392219f..8486418 100644
--- a/libunwindstack/tests/fuzz/UnwinderComponentCreator.h
+++ b/libunwindstack/tests/fuzz/UnwinderComponentCreator.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef _LIBUNWINDSTACK_UNWINDERCOMPONENTCREATOR_H
-#define _LIBUNWINDSTACK_UNWINDERCOMPONENTCREATOR_H
+#pragma once
 
 #include <elf.h>
 #include <sys/mman.h>
@@ -81,4 +80,3 @@ std::unique_ptr<unwindstack::DexFiles> GetDexFiles(FuzzedDataProvider* data_prov
                                                    std::shared_ptr<unwindstack::Memory> memory,
                                                    uint max_libraries, uint max_library_length,
                                                    unwindstack::ArchEnum arch);
-#endif  // _LIBUNWINDSTACK_UNWINDERCOMPONENTCREATOR_H