diff --git a/media/libstagefright/wifi-display/Android.mk b/media/libstagefright/wifi-display/Android.mk
index f99ef60..061ae89 100644
--- a/media/libstagefright/wifi-display/Android.mk
+++ b/media/libstagefright/wifi-display/Android.mk
@@ -4,17 +4,10 @@
 
 LOCAL_SRC_FILES:= \
         ANetworkSession.cpp             \
-        MediaReceiver.cpp               \
         MediaSender.cpp                 \
         Parameters.cpp                  \
         ParsedMessage.cpp               \
-        rtp/RTPAssembler.cpp            \
-        rtp/RTPReceiver.cpp             \
         rtp/RTPSender.cpp               \
-        sink/DirectRenderer.cpp         \
-        sink/WifiDisplaySink.cpp        \
-        SNTPClient.cpp                  \
-        TimeSyncer.cpp                  \
         source/Converter.cpp            \
         source/MediaPuller.cpp          \
         source/PlaybackSession.cpp      \
@@ -67,72 +60,3 @@
 LOCAL_MODULE_TAGS := debug
 
 include $(BUILD_EXECUTABLE)
-
-################################################################################
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-        udptest.cpp                 \
-
-LOCAL_SHARED_LIBRARIES:= \
-        libbinder                       \
-        libgui                          \
-        libmedia                        \
-        libstagefright                  \
-        libstagefright_foundation       \
-        libstagefright_wfd              \
-        libutils                        \
-        liblog                          \
-
-LOCAL_MODULE:= udptest
-
-LOCAL_MODULE_TAGS := debug
-
-include $(BUILD_EXECUTABLE)
-
-################################################################################
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-        rtptest.cpp                 \
-
-LOCAL_SHARED_LIBRARIES:= \
-        libbinder                       \
-        libgui                          \
-        libmedia                        \
-        libstagefright                  \
-        libstagefright_foundation       \
-        libstagefright_wfd              \
-        libutils                        \
-        liblog                          \
-
-LOCAL_MODULE:= rtptest
-
-LOCAL_MODULE_TAGS := debug
-
-include $(BUILD_EXECUTABLE)
-
-################################################################################
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-        nettest.cpp                     \
-
-LOCAL_SHARED_LIBRARIES:= \
-        libbinder                       \
-        libgui                          \
-        libmedia                        \
-        libstagefright                  \
-        libstagefright_foundation       \
-        libstagefright_wfd              \
-        libutils                        \
-        liblog                          \
-
-LOCAL_MODULE:= nettest
-
-LOCAL_MODULE_TAGS := debug
-
-include $(BUILD_EXECUTABLE)
diff --git a/media/libstagefright/wifi-display/MediaSender.cpp b/media/libstagefright/wifi-display/MediaSender.cpp
index 33af66d..8a3566f 100644
--- a/media/libstagefright/wifi-display/MediaSender.cpp
+++ b/media/libstagefright/wifi-display/MediaSender.cpp
@@ -341,22 +341,6 @@
             break;
         }
 
-        case kWhatInformSender:
-        {
-            int64_t avgLatencyUs;
-            CHECK(msg->findInt64("avgLatencyUs", &avgLatencyUs));
-
-            int64_t maxLatencyUs;
-            CHECK(msg->findInt64("maxLatencyUs", &maxLatencyUs));
-
-            sp<AMessage> notify = mNotify->dup();
-            notify->setInt32("what", kWhatInformSender);
-            notify->setInt64("avgLatencyUs", avgLatencyUs);
-            notify->setInt64("maxLatencyUs", maxLatencyUs);
-            notify->post();
-            break;
-        }
-
         default:
             TRESPASS();
     }
diff --git a/media/libstagefright/wifi-display/MediaSender.h b/media/libstagefright/wifi-display/MediaSender.h
index 04538ea..64722c5 100644
--- a/media/libstagefright/wifi-display/MediaSender.h
+++ b/media/libstagefright/wifi-display/MediaSender.h
@@ -43,7 +43,6 @@
         kWhatInitDone,
         kWhatError,
         kWhatNetworkStall,
-        kWhatInformSender,
     };
 
     MediaSender(
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
index 6bbe650..095fd97 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
@@ -767,17 +767,6 @@
 }
 
 status_t RTPSender::parseAPP(const uint8_t *data, size_t size) {
-    if (!memcmp("late", &data[8], 4)) {
-        int64_t avgLatencyUs = (int64_t)U64_AT(&data[12]);
-        int64_t maxLatencyUs = (int64_t)U64_AT(&data[20]);
-
-        sp<AMessage> notify = mNotify->dup();
-        notify->setInt32("what", kWhatInformSender);
-        notify->setInt64("avgLatencyUs", avgLatencyUs);
-        notify->setInt64("maxLatencyUs", maxLatencyUs);
-        notify->post();
-    }
-
     return OK;
 }
 
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.h b/media/libstagefright/wifi-display/rtp/RTPSender.h
index fefcab7..7dc138a 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.h
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.h
@@ -37,7 +37,6 @@
         kWhatInitDone,
         kWhatError,
         kWhatNetworkStall,
-        kWhatInformSender,
     };
     RTPSender(
             const sp<ANetworkSession> &netSession,
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.cpp b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
index cacfcca..3d7b865 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.cpp
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
@@ -559,8 +559,6 @@
                         converter->dropAFrame();
                     }
                 }
-            } else if (what == MediaSender::kWhatInformSender) {
-                onSinkFeedback(msg);
             } else {
                 TRESPASS();
             }
@@ -656,89 +654,6 @@
     }
 }
 
-void WifiDisplaySource::PlaybackSession::onSinkFeedback(const sp<AMessage> &msg) {
-    int64_t avgLatencyUs;
-    CHECK(msg->findInt64("avgLatencyUs", &avgLatencyUs));
-
-    int64_t maxLatencyUs;
-    CHECK(msg->findInt64("maxLatencyUs", &maxLatencyUs));
-
-    ALOGI("sink reports avg. latency of %lld ms (max %lld ms)",
-          avgLatencyUs / 1000ll,
-          maxLatencyUs / 1000ll);
-
-    if (mVideoTrackIndex >= 0) {
-        const sp<Track> &videoTrack = mTracks.valueFor(mVideoTrackIndex);
-        sp<Converter> converter = videoTrack->converter();
-
-        if (converter != NULL) {
-            int32_t videoBitrate =
-                Converter::GetInt32Property("media.wfd.video-bitrate", -1);
-
-            char val[PROPERTY_VALUE_MAX];
-            if (videoBitrate < 0
-                    && property_get("media.wfd.video-bitrate", val, NULL)
-                    && !strcasecmp("adaptive", val)) {
-                videoBitrate = converter->getVideoBitrate();
-
-                if (avgLatencyUs > 300000ll) {
-                    videoBitrate *= 0.6;
-                } else if (avgLatencyUs < 100000ll) {
-                    videoBitrate *= 1.1;
-                }
-            }
-
-            if (videoBitrate > 0) {
-                if (videoBitrate < 500000) {
-                    videoBitrate = 500000;
-                } else if (videoBitrate > 10000000) {
-                    videoBitrate = 10000000;
-                }
-
-                if (videoBitrate != converter->getVideoBitrate()) {
-                    ALOGI("setting video bitrate to %d bps", videoBitrate);
-
-                    converter->setVideoBitrate(videoBitrate);
-                }
-            }
-        }
-
-        sp<RepeaterSource> repeaterSource = videoTrack->repeaterSource();
-        if (repeaterSource != NULL) {
-            double rateHz =
-                Converter::GetInt32Property(
-                        "media.wfd.video-framerate", -1);
-
-            char val[PROPERTY_VALUE_MAX];
-            if (rateHz < 0.0
-                    && property_get("media.wfd.video-framerate", val, NULL)
-                    && !strcasecmp("adaptive", val)) {
-                 rateHz = repeaterSource->getFrameRate();
-
-                if (avgLatencyUs > 300000ll) {
-                    rateHz *= 0.9;
-                } else if (avgLatencyUs < 200000ll) {
-                    rateHz *= 1.1;
-                }
-            }
-
-            if (rateHz > 0) {
-                if (rateHz < 5.0) {
-                    rateHz = 5.0;
-                } else if (rateHz > 30.0) {
-                    rateHz = 30.0;
-                }
-
-                if (rateHz != repeaterSource->getFrameRate()) {
-                    ALOGI("setting frame rate to %.2f Hz", rateHz);
-
-                    repeaterSource->setFrameRate(rateHz);
-                }
-            }
-        }
-    }
-}
-
 status_t WifiDisplaySource::PlaybackSession::setupMediaPacketizer(
         bool enableAudio, bool enableVideo) {
     DataSource::RegisterDefaultSniffers();
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
index 4a49811..2b5bee9 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
@@ -23,7 +23,6 @@
 #include "Parameters.h"
 #include "ParsedMessage.h"
 #include "rtp/RTPSender.h"
-#include "TimeSyncer.h"
 
 #include <binder/IServiceManager.h>
 #include <gui/IGraphicBufferProducer.h>
@@ -165,14 +164,6 @@
                 } else {
                     err = -EINVAL;
                 }
-            }
-
-            if (err == OK) {
-                sp<AMessage> notify = new AMessage(kWhatTimeSyncerNotify, id());
-                mTimeSyncer = new TimeSyncer(mNetSession, notify);
-                looper()->registerHandler(mTimeSyncer);
-
-                mTimeSyncer->startServer(8123);
 
                 mState = AWAITING_CLIENT_CONNECTION;
             }
@@ -548,11 +539,6 @@
             break;
         }
 
-        case kWhatTimeSyncerNotify:
-        {
-            break;
-        }
-
         default:
             TRESPASS();
     }
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.h b/media/libstagefright/wifi-display/source/WifiDisplaySource.h
index 3efa0b4..44d3e4d 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.h
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.h
@@ -30,7 +30,6 @@
 struct IHDCP;
 struct IRemoteDisplayClient;
 struct ParsedMessage;
-struct TimeSyncer;
 
 // Represents the RTSP server acting as a wifi display source.
 // Manages incoming connections, sets up Playback sessions as necessary.
@@ -83,7 +82,6 @@
         kWhatHDCPNotify,
         kWhatFinishStop2,
         kWhatTeardownTriggerTimedOut,
-        kWhatTimeSyncerNotify,
     };
 
     struct ResponseID {
@@ -120,7 +118,6 @@
     sp<ANetworkSession> mNetSession;
     sp<IRemoteDisplayClient> mClient;
     AString mMediaPath;
-    sp<TimeSyncer> mTimeSyncer;
     struct in_addr mInterfaceAddr;
     int32_t mSessionID;
 
diff --git a/media/libstagefright/wifi-display/wfd.cpp b/media/libstagefright/wifi-display/wfd.cpp
index 9fee4d0..c947765 100644
--- a/media/libstagefright/wifi-display/wfd.cpp
+++ b/media/libstagefright/wifi-display/wfd.cpp
@@ -18,7 +18,6 @@
 #define LOG_TAG "wfd"
 #include <utils/Log.h>
 
-#include "sink/WifiDisplaySink.h"
 #include "source/WifiDisplaySource.h"
 
 #include <binder/ProcessState.h>
@@ -39,12 +38,8 @@
 static void usage(const char *me) {
     fprintf(stderr,
             "usage:\n"
-            "           %s -c host[:port]\tconnect to wifi source\n"
-            "               -u uri        \tconnect to an rtsp uri\n"
-            "               -l ip[:port] \tlisten on the specified port "
-            "               -f(ilename)  \tstream media "
-            "(create a sink)\n"
-            "               -s(pecial)   \trun in 'special' mode\n",
+            "           %s -l iface[:port]\tcreate a wifi display source\n"
+            "               -f(ilename)  \tstream media\n",
             me);
 }
 
@@ -214,48 +209,14 @@
 
     DataSource::RegisterDefaultSniffers();
 
-    AString connectToHost;
-    int32_t connectToPort = -1;
-    AString uri;
-
     AString listenOnAddr;
     int32_t listenOnPort = -1;
 
     AString path;
 
-    bool specialMode = false;
-
     int res;
-    while ((res = getopt(argc, argv, "hc:l:u:f:s")) >= 0) {
+    while ((res = getopt(argc, argv, "hl:f:")) >= 0) {
         switch (res) {
-            case 'c':
-            {
-                const char *colonPos = strrchr(optarg, ':');
-
-                if (colonPos == NULL) {
-                    connectToHost = optarg;
-                    connectToPort = WifiDisplaySource::kWifiDisplayDefaultPort;
-                } else {
-                    connectToHost.setTo(optarg, colonPos - optarg);
-
-                    char *end;
-                    connectToPort = strtol(colonPos + 1, &end, 10);
-
-                    if (*end != '\0' || end == colonPos + 1
-                            || connectToPort < 1 || connectToPort > 65535) {
-                        fprintf(stderr, "Illegal port specified.\n");
-                        exit(1);
-                    }
-                }
-                break;
-            }
-
-            case 'u':
-            {
-                uri = optarg;
-                break;
-            }
-
             case 'f':
             {
                 path = optarg;
@@ -284,12 +245,6 @@
                 break;
             }
 
-            case 's':
-            {
-                specialMode = true;
-                break;
-            }
-
             case '?':
             case 'h':
             default:
@@ -298,13 +253,6 @@
         }
     }
 
-    if (connectToPort >= 0 && listenOnPort >= 0) {
-        fprintf(stderr,
-                "You can connect to a source or create one, "
-                "but not both at the same time.\n");
-        exit(1);
-    }
-
     if (listenOnPort >= 0) {
         if (path.empty()) {
             createSource(listenOnAddr, listenOnPort);
@@ -315,72 +263,7 @@
         exit(0);
     }
 
-    if (connectToPort < 0 && uri.empty()) {
-        fprintf(stderr,
-                "You need to select either source host or uri.\n");
-
-        exit(1);
-    }
-
-    if (connectToPort >= 0 && !uri.empty()) {
-        fprintf(stderr,
-                "You need to either connect to a wfd host or an rtsp url, "
-                "not both.\n");
-        exit(1);
-    }
-
-    sp<SurfaceComposerClient> composerClient = new SurfaceComposerClient;
-    CHECK_EQ(composerClient->initCheck(), (status_t)OK);
-
-    sp<IBinder> display(SurfaceComposerClient::getBuiltInDisplay(
-            ISurfaceComposer::eDisplayIdMain));
-    DisplayInfo info;
-    SurfaceComposerClient::getDisplayInfo(display, &info);
-    ssize_t displayWidth = info.w;
-    ssize_t displayHeight = info.h;
-
-    ALOGV("display is %d x %d\n", displayWidth, displayHeight);
-
-    sp<SurfaceControl> control =
-        composerClient->createSurface(
-                String8("A Surface"),
-                displayWidth,
-                displayHeight,
-                PIXEL_FORMAT_RGB_565,
-                0);
-
-    CHECK(control != NULL);
-    CHECK(control->isValid());
-
-    SurfaceComposerClient::openGlobalTransaction();
-    CHECK_EQ(control->setLayer(INT_MAX), (status_t)OK);
-    CHECK_EQ(control->show(), (status_t)OK);
-    SurfaceComposerClient::closeGlobalTransaction();
-
-    sp<Surface> surface = control->getSurface();
-    CHECK(surface != NULL);
-
-    sp<ANetworkSession> session = new ANetworkSession;
-    session->start();
-
-    sp<ALooper> looper = new ALooper;
-
-    sp<WifiDisplaySink> sink = new WifiDisplaySink(
-            specialMode ? WifiDisplaySink::FLAG_SPECIAL_MODE : 0 /* flags */,
-            session,
-            surface->getIGraphicBufferProducer());
-
-    looper->registerHandler(sink);
-
-    if (connectToPort >= 0) {
-        sink->start(connectToHost.c_str(), connectToPort);
-    } else {
-        sink->start(uri.c_str());
-    }
-
-    looper->start(true /* runOnCallingThread */);
-
-    composerClient->dispose();
+    usage(argv[0]);
 
     return 0;
 }