diff --git a/webrtc/engine_configurations.h b/webrtc/engine_configurations.h
index 5963892e5a..f59fd3ec26 100644
--- a/webrtc/engine_configurations.h
+++ b/webrtc/engine_configurations.h
@@ -107,10 +107,4 @@
 #define EAGL_RENDERING
 #endif
 
-// ----------------------------------------------------------------------------
-//  Deprecated
-// ----------------------------------------------------------------------------
-
-// #define WEBRTC_DTMF_DETECTION
-
 #endif  // WEBRTC_ENGINE_CONFIGURATIONS_H_
diff --git a/webrtc/modules/audio_coding/main/interface/audio_coding_module.h b/webrtc/modules/audio_coding/main/interface/audio_coding_module.h
index 81ad5c30a8..a585605d7c 100644
--- a/webrtc/modules/audio_coding/main/interface/audio_coding_module.h
+++ b/webrtc/modules/audio_coding/main/interface/audio_coding_module.h
@@ -46,15 +46,6 @@ class AudioPacketizationCallback {
                            const RTPFragmentationHeader* fragmentation) = 0;
 };
 
-// Callback class used for inband Dtmf detection
-class AudioCodingFeedback {
- public:
-  virtual ~AudioCodingFeedback() {}
-
-  virtual int32_t IncomingDtmf(const uint8_t digit_dtmf,
-                               const bool end) = 0;
-};
-
 // Callback class used for reporting VAD decision
 class ACMVADCallback {
  public:
diff --git a/webrtc/modules/audio_coding/main/test/APITest.cc b/webrtc/modules/audio_coding/main/test/APITest.cc
index 73f2d2adc7..3c485fd9c2 100644
--- a/webrtc/modules/audio_coding/main/test/APITest.cc
+++ b/webrtc/modules/audio_coding/main/test/APITest.cc
@@ -86,7 +86,6 @@ APITest::APITest(const Config& config)
       _dotMoveDirectionA(1),
       _dotPositionB(39),
       _dotMoveDirectionB(-1),
-      _dtmfCallback(NULL),
       _vadCallbackA(NULL),
       _vadCallbackB(NULL),
       _apiTestRWLock(*RWLockWrapper::CreateRWLock()),
@@ -125,7 +124,6 @@ APITest::~APITest() {
   _inFileB.Close();
   _outFileB.Close();
 
-  DELETE_POINTER(_dtmfCallback);
   DELETE_POINTER(_vadCallbackA);
   DELETE_POINTER(_vadCallbackB);
 
@@ -290,9 +288,6 @@ int16_t APITest::SetUp() {
     }
   }
 
-#ifdef WEBRTC_DTMF_DETECTION
-  _dtmfCallback = new DTMFDetector;
-#endif
   _vadCallbackA = new VADCallback;
   _vadCallbackB = new VADCallback;
 
diff --git a/webrtc/modules/audio_coding/main/test/APITest.h b/webrtc/modules/audio_coding/main/test/APITest.h
index c287243810..97d8774c4a 100644
--- a/webrtc/modules/audio_coding/main/test/APITest.h
+++ b/webrtc/modules/audio_coding/main/test/APITest.h
@@ -153,7 +153,6 @@ class APITest : public ACMTest {
 
   char _movingDot[41];
 
-  DTMFDetector* _dtmfCallback;
   VADCallback* _vadCallbackA;
   VADCallback* _vadCallbackB;
   RWLockWrapper& _apiTestRWLock;
diff --git a/webrtc/modules/audio_coding/main/test/TwoWayCommunication.cc b/webrtc/modules/audio_coding/main/test/TwoWayCommunication.cc
index 860e7da52b..8b75c7b6d5 100644
--- a/webrtc/modules/audio_coding/main/test/TwoWayCommunication.cc
+++ b/webrtc/modules/audio_coding/main/test/TwoWayCommunication.cc
@@ -96,11 +96,6 @@ void TwoWayCommunication::SetUp() {
   //--- Set A codecs
   EXPECT_EQ(0, _acmA->RegisterSendCodec(codecInst_A));
   EXPECT_EQ(0, _acmA->RegisterReceiveCodec(codecInst_B));
-#ifdef WEBRTC_DTMF_DETECTION
-  _dtmfDetectorA = new(DTMFDetector);
-  EXPECT_GT(_acmA->RegisterIncomingMessagesCallback(_dtmfDetectorA, ACMUSA),
-            -1);
-#endif
   //--- Set ref-A codecs
   EXPECT_EQ(0, _acmRefA->RegisterSendCodec(codecInst_A));
   EXPECT_EQ(0, _acmRefA->RegisterReceiveCodec(codecInst_B));
@@ -108,11 +103,6 @@ void TwoWayCommunication::SetUp() {
   //--- Set B codecs
   EXPECT_EQ(0, _acmB->RegisterSendCodec(codecInst_B));
   EXPECT_EQ(0, _acmB->RegisterReceiveCodec(codecInst_A));
-#ifdef WEBRTC_DTMF_DETECTION
-  _dtmfDetectorB = new(DTMFDetector);
-  EXPECT_GT(_acmB->RegisterIncomingMessagesCallback(_dtmfDetectorB, ACMUSA),
-            -1);
-#endif
 
   //--- Set ref-B codecs
   EXPECT_EQ(0, _acmRefB->RegisterSendCodec(codecInst_B));
@@ -188,10 +178,6 @@ void TwoWayCommunication::SetUpAutotest() {
   //--- Set A codecs
   EXPECT_EQ(0, _acmA->RegisterSendCodec(codecInst_A));
   EXPECT_EQ(0, _acmA->RegisterReceiveCodec(codecInst_B));
-#ifdef WEBRTC_DTMF_DETECTION
-  _dtmfDetectorA = new(DTMFDetector);
-  EXPECT_EQ(0, _acmA->RegisterIncomingMessagesCallback(_dtmfDetectorA, ACMUSA));
-#endif
 
   //--- Set ref-A codecs
   EXPECT_GT(_acmRefA->RegisterSendCodec(codecInst_A), -1);
@@ -200,10 +186,6 @@ void TwoWayCommunication::SetUpAutotest() {
   //--- Set B codecs
   EXPECT_GT(_acmB->RegisterSendCodec(codecInst_B), -1);
   EXPECT_GT(_acmB->RegisterReceiveCodec(codecInst_A), -1);
-#ifdef WEBRTC_DTMF_DETECTION
-  _dtmfDetectorB = new(DTMFDetector);
-  EXPECT_EQ(0, _acmB->RegisterIncomingMessagesCallback(_dtmfDetectorB, ACMUSA));
-#endif
 
   //--- Set ref-B codecs
   EXPECT_EQ(0, _acmRefB->RegisterSendCodec(codecInst_B));
diff --git a/webrtc/modules/audio_coding/main/test/utility.cc b/webrtc/modules/audio_coding/main/test/utility.cc
index e4e6dd4a35..949ca617b2 100644
--- a/webrtc/modules/audio_coding/main/test/utility.cc
+++ b/webrtc/modules/audio_coding/main/test/utility.cc
@@ -279,32 +279,6 @@ bool FixedPayloadTypeCodec(const char* payloadName) {
   return false;
 }
 
-DTMFDetector::DTMFDetector() {
-  for (int16_t n = 0; n < 1000; n++) {
-    _toneCntr[n] = 0;
-  }
-}
-
-DTMFDetector::~DTMFDetector() {
-}
-
-int32_t DTMFDetector::IncomingDtmf(const uint8_t digitDtmf,
-                                   const bool /* toneEnded */) {
-  fprintf(stdout, "%d-", digitDtmf);
-  _toneCntr[digitDtmf]++;
-  return 0;
-}
-
-void DTMFDetector::PrintDetectedDigits() {
-  for (int16_t n = 0; n < 1000; n++) {
-    if (_toneCntr[n] > 0) {
-      fprintf(stdout, "%d %u  msec, \n", n, _toneCntr[n] * 10);
-    }
-  }
-  fprintf(stdout, "\n");
-  return;
-}
-
 void VADCallback::Reset() {
   memset(_numFrameTypes, 0, sizeof(_numFrameTypes));
 }
diff --git a/webrtc/modules/audio_coding/main/test/utility.h b/webrtc/modules/audio_coding/main/test/utility.h
index eccb68f6d1..6998538ddd 100644
--- a/webrtc/modules/audio_coding/main/test/utility.h
+++ b/webrtc/modules/audio_coding/main/test/utility.h
@@ -115,19 +115,6 @@ void PrintCodecs();
 
 bool FixedPayloadTypeCodec(const char* payloadName);
 
-class DTMFDetector : public AudioCodingFeedback {
- public:
-  DTMFDetector();
-  ~DTMFDetector();
-  // used for inband DTMF detection
-  int32_t IncomingDtmf(const uint8_t digitDtmf, const bool toneEnded);
-  void PrintDetectedDigits();
-
- private:
-  uint32_t _toneCntr[1000];
-
-};
-
 class VADCallback : public ACMVADCallback {
  public:
   VADCallback();