diff --git a/light/2.0/default/service.cpp b/light/2.0/default/service.cpp
index b3848e9..70ae565 100644
--- a/light/2.0/default/service.cpp
+++ b/light/2.0/default/service.cpp
@@ -23,5 +23,5 @@
 using android::hardware::defaultPassthroughServiceImplementation;
 
 int main() {
-    return defaultPassthroughServiceImplementation<ILight>("light");
+    return defaultPassthroughServiceImplementation<ILight>();
 }
diff --git a/light/2.0/vts/functional/light_hidl_hal_test.cpp b/light/2.0/vts/functional/light_hidl_hal_test.cpp
index 9b9f543..71a8b4e 100644
--- a/light/2.0/vts/functional/light_hidl_hal_test.cpp
+++ b/light/2.0/vts/functional/light_hidl_hal_test.cpp
@@ -34,15 +34,13 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
-#define LIGHT_SERVICE_NAME "light"
-
 #define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
 #define EXPECT_OK(ret) EXPECT_TRUE(ret.isOk())
 
 class LightHidlTest : public ::testing::Test {
 public:
     virtual void SetUp() override {
-        light = ILight::getService(LIGHT_SERVICE_NAME);
+        light = ILight::getService();
 
         ASSERT_NE(light, nullptr);
         LOG(INFO) << "Test is remote " << light->isRemote();
diff --git a/memtrack/1.0/default/Memtrack.cpp b/memtrack/1.0/default/Memtrack.cpp
index 5c1a5c4..fa09c25 100644
--- a/memtrack/1.0/default/Memtrack.cpp
+++ b/memtrack/1.0/default/Memtrack.cpp
@@ -79,7 +79,7 @@
     memtrack_module_t *memtrack_module = NULL;
 
     ret = hw_get_module(name, &hw_module);
-    if (ret == 0 && hw_module->methods->open > 0)
+    if (ret == 0 && hw_module->methods->open)
     {
         ret = hw_module->methods->open(hw_module, name,
                 reinterpret_cast<hw_device_t**>(&memtrack_module));
diff --git a/power/1.0/default/Power.cpp b/power/1.0/default/Power.cpp
index 656a2ae..6233a14 100644
--- a/power/1.0/default/Power.cpp
+++ b/power/1.0/default/Power.cpp
@@ -40,14 +40,14 @@
 
 // Methods from ::android::hardware::power::V1_0::IPower follow.
 Return<void> Power::setInteractive(bool interactive)  {
-    if (mModule->setInteractive > 0)
+    if (mModule->setInteractive)
         mModule->setInteractive(mModule, interactive ? 1 : 0);
     return Void();
 }
 
 Return<void> Power::powerHint(PowerHint hint, int32_t data)  {
     int32_t param = data;
-    if (mModule->powerHint > 0) {
+    if (mModule->powerHint) {
         if (data)
             mModule->powerHint(mModule, static_cast<power_hint_t>(hint), &param);
         else
@@ -57,7 +57,7 @@
 }
 
 Return<void> Power::setFeature(Feature feature, bool activate)  {
-    if (mModule->setFeature > 0)
+    if (mModule->setFeature)
         mModule->setFeature(mModule, static_cast<feature_t>(feature),
                 activate ? 1 : 0);
     return Void();
@@ -79,7 +79,7 @@
     }
 
     number_platform_modes = mModule->get_number_of_platform_modes(mModule);
-    if (number_platform_modes > 0)
+    if (number_platform_modes)
     {
        if (SIZE_MAX / sizeof(size_t) <= number_platform_modes)  // overflow
            goto done;
@@ -149,7 +149,7 @@
     const hw_module_t* hw_module = NULL;
     power_module_t *power_module;
     ret = hw_get_module(name, &hw_module);
-    if (ret == 0 && hw_module->methods->open > 0) {
+    if (ret == 0 && hw_module->methods->open) {
         ret = hw_module->methods->open(hw_module, name,
                 reinterpret_cast<hw_device_t**>(&power_module));
         if (ret == 0) {