diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
index 60916f3..561db8d 100644
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
+++ b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
@@ -582,7 +582,7 @@
 }
 
 void FakeComposerClient::onSurfaceFlingerStart() {
-    mSurfaceComposer == nullptr;
+    mSurfaceComposer = nullptr;
     do {
         mSurfaceComposer = new android::SurfaceComposerClient;
         android::status_t initResult = mSurfaceComposer->initCheck();
diff --git a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
index 8902ede..68fefea 100644
--- a/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
+++ b/services/surfaceflinger/tests/fakehwc/SFFakeHwc_test.cpp
@@ -163,7 +163,7 @@
     sp<ComposerClient> client = new ComposerClient(*mMockComposer);
     mMockComposer->setClient(client.get());
     mFakeService = new FakeComposerService(client);
-    mFakeService->registerAsService("mock");
+    (void)mFakeService->registerAsService("mock");
 
     android::hardware::ProcessState::self()->startThreadPool();
     android::ProcessState::self()->startThreadPool();
@@ -325,7 +325,7 @@
     sp<ComposerClient> client = new ComposerClient(*sFakeComposer);
     sFakeComposer->setClient(client.get());
     sp<IComposer> fakeService = new FakeComposerService(client);
-    fakeService->registerAsService("mock");
+    (void)fakeService->registerAsService("mock");
 
     android::hardware::ProcessState::self()->startThreadPool();
     android::ProcessState::self()->startThreadPool();