diff --git a/libs/androidfw/tests/ConfigDescription_test.cpp b/libs/androidfw/tests/ConfigDescription_test.cpp
index ec478b0..07bd175 100644
--- a/libs/androidfw/tests/ConfigDescription_test.cpp
+++ b/libs/androidfw/tests/ConfigDescription_test.cpp
@@ -159,17 +159,17 @@
   EXPECT_TRUE(TestParse("feminine", &config));
   EXPECT_EQ(android::ResTable_config::GRAMMATICAL_GENDER_FEMININE, config.grammaticalInflection);
   EXPECT_EQ(SDK_U, config.sdkVersion);
-  EXPECT_EQ(std::string("feminine-v34"), config.toString().string());
+  EXPECT_EQ(std::string("feminine-v34"), config.toString().c_str());
 
   EXPECT_TRUE(TestParse("masculine", &config));
   EXPECT_EQ(android::ResTable_config::GRAMMATICAL_GENDER_MASCULINE, config.grammaticalInflection);
   EXPECT_EQ(SDK_U, config.sdkVersion);
-  EXPECT_EQ(std::string("masculine-v34"), config.toString().string());
+  EXPECT_EQ(std::string("masculine-v34"), config.toString().c_str());
 
   EXPECT_TRUE(TestParse("neuter", &config));
   EXPECT_EQ(android::ResTable_config::GRAMMATICAL_GENDER_NEUTER, config.grammaticalInflection);
   EXPECT_EQ(SDK_U, config.sdkVersion);
-  EXPECT_EQ(std::string("neuter-v34"), config.toString().string());
+  EXPECT_EQ(std::string("neuter-v34"), config.toString().c_str());
 }
 
 }  // namespace android
diff --git a/libs/androidfw/tests/ResTable_test.cpp b/libs/androidfw/tests/ResTable_test.cpp
index 945981b..faac514 100644
--- a/libs/androidfw/tests/ResTable_test.cpp
+++ b/libs/androidfw/tests/ResTable_test.cpp
@@ -468,7 +468,7 @@
   String16 name(u"com.android.sparse:integer/foo_9");
   uint32_t flags;
   uint32_t resid =
-      table.identifierForName(name.string(), name.size(), nullptr, 0, nullptr, 0, &flags);
+      table.identifierForName(name.c_str(), name.size(), nullptr, 0, nullptr, 0, &flags);
   ASSERT_NE(0u, resid);
 
   Res_value val;