diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index a1430b975..7e76ea0b6 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -180,7 +180,7 @@ status_t DisplayDevice::compositionComplete() const {
     return mDisplaySurface->compositionComplete();
 }
 
-void DisplayDevice::flip(const Region& dirty) const
+void DisplayDevice::flip(const Region& dirty __unused) const
 {
     mFlinger->getRenderEngine().checkErrors();
 
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index d7fef8c1e..ecab9cc11 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -244,7 +244,7 @@ void VirtualDisplaySurface::onFrameCommitted() {
     resetPerFrameState();
 }
 
-void VirtualDisplaySurface::dump(String8& result) const {
+void VirtualDisplaySurface::dump(String8&) const {
 }
 
 status_t VirtualDisplaySurface::requestBuffer(int pslot,
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 61af51faf..6419020e5 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -144,7 +144,7 @@ Layer::~Layer() {
 // callbacks
 // ---------------------------------------------------------------------------
 
-void Layer::onLayerDisplayed(const sp<const DisplayDevice>& hw,
+void Layer::onLayerDisplayed(const sp<const DisplayDevice>&,
         HWComposer::HWCLayerInterface* layer) {
     if (layer) {
         layer->onDisplayed();
@@ -418,7 +418,7 @@ void Layer::setPerFrameData(const sp<const DisplayDevice>& hw,
     layer.setBuffer(mActiveBuffer);
 }
 
-void Layer::setAcquireFence(const sp<const DisplayDevice>& hw,
+void Layer::setAcquireFence(const sp<const DisplayDevice>&,
         HWComposer::HWCLayerInterface& layer) {
     int fenceFd = -1;
 
@@ -545,7 +545,7 @@ void Layer::onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const
 }
 
 
-void Layer::clearWithOpenGL(const sp<const DisplayDevice>& hw, const Region& clip,
+void Layer::clearWithOpenGL(const sp<const DisplayDevice>& hw, const Region&,
         float red, float green, float blue, float alpha) const
 {
     RenderEngine& engine(mFlinger->getRenderEngine());
@@ -560,7 +560,7 @@ void Layer::clearWithOpenGL(
 }
 
 void Layer::drawWithOpenGL(
-        const sp<const DisplayDevice>& hw, const Region& clip) const {
+        const sp<const DisplayDevice>& hw, const Region&) const {
     const uint32_t fbHeight = hw->getHeight();
     const State& s(getDrawingState());
 
diff --git a/services/surfaceflinger/LayerDim.cpp b/services/surfaceflinger/LayerDim.cpp
index 4e82babdb..865e552a3 100644
--- a/services/surfaceflinger/LayerDim.cpp
+++ b/services/surfaceflinger/LayerDim.cpp
@@ -39,7 +39,7 @@ LayerDim::LayerDim(SurfaceFlinger* flinger, const sp<Client>& client,
 LayerDim::~LayerDim() {
 }
 
-void LayerDim::onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const
+void LayerDim::onDraw(const sp<const DisplayDevice>& hw, const Region&) const
 {
     const State& s(getDrawingState());
     if (s.alpha>0) {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 943ed0221..774654e1d 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -190,7 +190,7 @@ SurfaceFlinger::~SurfaceFlinger()
     eglTerminate(display);
 }
 
-void SurfaceFlinger::binderDied(const wp<IBinder>& who)
+void SurfaceFlinger::binderDied(const wp<IBinder>&)
 {
     // the window manager died on us. prepare its eulogy.
 
@@ -593,12 +593,12 @@ void SurfaceFlinger::signalRefresh() {
 }
 
 status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
+        nsecs_t reltime, uint32_t) {
     return mEventQueue.postMessage(msg, reltime);
 }
 
 status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
+        nsecs_t reltime, uint32_t) {
     status_t res = mEventQueue.postMessage(msg, reltime);
     if (res == NO_ERROR) {
         msg->wait();
@@ -1695,7 +1695,7 @@ status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer) {
     return status_t(index);
 }
 
-uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t flags) {
+uint32_t SurfaceFlinger::peekTransactionFlags(uint32_t) {
     return android_atomic_release_load(&mTransactionFlags);
 }
 
@@ -2203,7 +2203,7 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
     return NO_ERROR;
 }
 
-void SurfaceFlinger::listLayersLocked(const Vector<String16>& args, size_t& index,
+void SurfaceFlinger::listLayersLocked(const Vector<String16>&, size_t&,
         String8& result) const
 {
     const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
@@ -2242,7 +2242,7 @@ void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index
 }
 
 void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
-        String8& result)
+        String8&)
 {
     String8 name;
     if (index < args.size()) {
@@ -2626,7 +2626,7 @@ class GraphicProducerWrapper : public BBinder, public MessageHandler {
      * data and reply Parcel and forward them to the calling thread.
      */
     virtual status_t transact(uint32_t code,
-            const Parcel& data, Parcel* reply, uint32_t flags) {
+            const Parcel& data, Parcel* reply, uint32_t) {
         this->code = code;
         this->data = &data;
         this->reply = reply;
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index b161480b3..90e3f7de9 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -27,7 +27,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv) {
+int main(int, char**) {
     // When SF is launched in its own process, limit the number of
     // binder threads to 4.
     ProcessState::self()->setThreadPoolMaxThreadCount(4);