diff --git a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
index 3b89291..b1e44bb 100644
--- a/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
+++ b/libs/gui/bufferqueue/1.0/H2BGraphicBufferProducer.cpp
@@ -896,7 +896,7 @@
     int const* constFds = static_cast<int const*>(baseFds.get());
     numFds = baseNumFds;
     if (l->unflatten(constBuffer, size, constFds, numFds) != NO_ERROR) {
-        for (auto nhA : nhAA) {
+        for (const auto& nhA : nhAA) {
             for (auto nh : nhA) {
                 if (nh != nullptr) {
                     native_handle_close(nh);
@@ -907,8 +907,8 @@
         return false;
     }
 
-    for (auto nhA : nhAA) {
-        for (auto nh : nhA) {
+    for (const auto& nhA : nhAA) {
+        for (const auto& nh : nhA) {
             if (nh != nullptr) {
                 native_handle_delete(nh);
             }
diff --git a/services/utils/tests/PriorityDumper_test.cpp b/services/utils/tests/PriorityDumper_test.cpp
index 90cc6de..2320a90 100644
--- a/services/utils/tests/PriorityDumper_test.cpp
+++ b/services/utils/tests/PriorityDumper_test.cpp
@@ -54,7 +54,7 @@
 };
 
 static void addAll(Vector<String16>& av, const std::vector<std::string>& v) {
-    for (auto element : v) {
+    for (const auto& element : v) {
         av.add(String16(element.c_str()));
     }
 }