diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index 4f310d36e2..56a2d6c54a 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -879,7 +879,6 @@ Channel::Channel(int32_t channelId,
     _voiceEngineObserverPtr(NULL),
     _callbackCritSectPtr(NULL),
     _transportPtr(NULL),
-    rx_audioproc_(AudioProcessing::Create(VoEModuleId(instanceId, channelId))),
     _rxVadObserverPtr(NULL),
     _oldVadDecision(-1),
     _sendFrameType(0),
@@ -937,6 +936,10 @@ Channel::Channel(int32_t channelId,
     statistics_proxy_.reset(new StatisticsProxy(_rtpRtcpModule->SSRC()));
     rtp_receive_statistics_->RegisterRtcpStatisticsCallback(
         statistics_proxy_.get());
+
+    Config audioproc_config;
+    audioproc_config.Set<ExperimentalAgc>(new ExperimentalAgc(false));
+    rx_audioproc_.reset(AudioProcessing::Create(audioproc_config));
 }
 
 Channel::~Channel()
diff --git a/webrtc/voice_engine/test/auto_test/extended/agc_config_test.cc b/webrtc/voice_engine/test/auto_test/extended/agc_config_test.cc
index c706cb738a..384fa1e9c3 100644
--- a/webrtc/voice_engine/test/auto_test/extended/agc_config_test.cc
+++ b/webrtc/voice_engine/test/auto_test/extended/agc_config_test.cc
@@ -22,9 +22,7 @@ class AgcConfigTest : public AfterStreamingFixture {
   webrtc::AgcConfig default_agc_config_;
 };
 
-// TODO(aluebs): Re-enable tests in agc_config_test and audio_processing_test
-// when possible. Bug: issue 2784.
-TEST_F(AgcConfigTest, DISABLED_HasCorrectDefaultConfiguration) {
+TEST_F(AgcConfigTest, HasCorrectDefaultConfiguration) {
   webrtc::AgcConfig agc_config;
 
   EXPECT_EQ(0, voe_apm_->GetAgcConfig(agc_config));
@@ -35,7 +33,7 @@ TEST_F(AgcConfigTest, DISABLED_HasCorrectDefaultConfiguration) {
   EXPECT_EQ(default_agc_config_.limiterEnable, agc_config.limiterEnable);
 }
 
-TEST_F(AgcConfigTest, DISABLED_DealsWithInvalidParameters) {
+TEST_F(AgcConfigTest, DealsWithInvalidParameters) {
   webrtc::AgcConfig agc_config = default_agc_config_;
   agc_config.digitalCompressionGaindB = 91;
   EXPECT_EQ(-1, voe_apm_->SetAgcConfig(agc_config)) << "Should not be able "
@@ -49,7 +47,7 @@ TEST_F(AgcConfigTest, DISABLED_DealsWithInvalidParameters) {
   EXPECT_EQ(VE_APM_ERROR, voe_base_->LastError());
 }
 
-TEST_F(AgcConfigTest, DISABLED_CanGetAndSetAgcStatus) {
+TEST_F(AgcConfigTest, CanGetAndSetAgcStatus) {
   webrtc::AgcConfig agc_config;
   agc_config.digitalCompressionGaindB = 17;
   agc_config.targetLeveldBOv = 11;
@@ -67,7 +65,7 @@ TEST_F(AgcConfigTest, DISABLED_CanGetAndSetAgcStatus) {
             actual_config.targetLeveldBOv);
 }
 
-TEST_F(AgcConfigTest, DISABLED_HasCorrectDefaultRxConfiguration) {
+TEST_F(AgcConfigTest, HasCorrectDefaultRxConfiguration) {
   webrtc::AgcConfig agc_config;
 
   EXPECT_EQ(0, voe_apm_->GetRxAgcConfig(channel_, agc_config));
@@ -78,7 +76,7 @@ TEST_F(AgcConfigTest, DISABLED_HasCorrectDefaultRxConfiguration) {
   EXPECT_EQ(default_agc_config_.limiterEnable, agc_config.limiterEnable);
 }
 
-TEST_F(AgcConfigTest, DISABLED_DealsWithInvalidRxParameters) {
+TEST_F(AgcConfigTest, DealsWithInvalidRxParameters) {
   webrtc::AgcConfig agc_config = default_agc_config_;
   agc_config.digitalCompressionGaindB = 91;
   EXPECT_EQ(-1, voe_apm_->SetRxAgcConfig(channel_, agc_config)) <<
@@ -92,7 +90,7 @@ TEST_F(AgcConfigTest, DISABLED_DealsWithInvalidRxParameters) {
   EXPECT_EQ(VE_APM_ERROR, voe_base_->LastError());
 }
 
-TEST_F(AgcConfigTest, DISABLED_CanGetAndSetRxAgcStatus) {
+TEST_F(AgcConfigTest, CanGetAndSetRxAgcStatus) {
   webrtc::AgcConfig agc_config;
   agc_config.digitalCompressionGaindB = 17;
   agc_config.targetLeveldBOv = 11;
diff --git a/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.cc b/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.cc
index ede8b0d35a..c54d289cac 100644
--- a/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.cc
+++ b/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.cc
@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/modules/audio_processing/include/audio_processing.h"
 #include "webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h"
 
 class TestErrorObserver : public webrtc::VoiceEngineObserver {
@@ -22,7 +23,11 @@ class TestErrorObserver : public webrtc::VoiceEngineObserver {
 
 AfterInitializationFixture::AfterInitializationFixture()
     : error_observer_(new TestErrorObserver()) {
-  EXPECT_EQ(0, voe_base_->Init());
+  webrtc::Config config;
+  config.Set<webrtc::ExperimentalAgc>(new webrtc::ExperimentalAgc(false));
+  webrtc::AudioProcessing* audioproc = webrtc::AudioProcessing::Create(config);
+
+  EXPECT_EQ(0, voe_base_->Init(NULL, audioproc));
 
 #if defined(WEBRTC_ANDROID)
   EXPECT_EQ(0, voe_hardware_->SetLoudspeakerStatus(false));
diff --git a/webrtc/voice_engine/test/auto_test/standard/audio_processing_test.cc b/webrtc/voice_engine/test/auto_test/standard/audio_processing_test.cc
index 928387fd85..132caa3e91 100644
--- a/webrtc/voice_engine/test/auto_test/standard/audio_processing_test.cc
+++ b/webrtc/voice_engine/test/auto_test/standard/audio_processing_test.cc
@@ -140,7 +140,7 @@ class AudioProcessingTest : public AfterStreamingFixture {
 
 #if !defined(WEBRTC_IOS) && !defined(WEBRTC_ANDROID)
 
-TEST_F(AudioProcessingTest, DISABLED_AgcIsOnByDefault) {
+TEST_F(AudioProcessingTest, AgcIsOnByDefault) {
   bool agc_enabled = false;
   webrtc::AgcModes agc_mode = webrtc::kAgcAdaptiveAnalog;
 
@@ -149,7 +149,7 @@ TEST_F(AudioProcessingTest, DISABLED_AgcIsOnByDefault) {
   EXPECT_EQ(webrtc::kAgcAdaptiveAnalog, agc_mode);
 }
 
-TEST_F(AudioProcessingTest, DISABLED_CanEnableAgcWithAllModes) {
+TEST_F(AudioProcessingTest, CanEnableAgcWithAllModes) {
   TryEnablingAgcWithMode(webrtc::kAgcAdaptiveDigital);
   TryEnablingAgcWithMode(webrtc::kAgcAdaptiveAnalog);
   TryEnablingAgcWithMode(webrtc::kAgcFixedDigital);
@@ -248,7 +248,7 @@ TEST_F(AudioProcessingTest, CanSetAecmMode) {
   TryEnablingAecmWithMode(webrtc::kAecmSpeakerphone, false);
 }
 
-TEST_F(AudioProcessingTest, DISABLED_RxAgcShouldBeOffByDefault) {
+TEST_F(AudioProcessingTest, RxAgcShouldBeOffByDefault) {
   bool rx_agc_enabled = true;
   webrtc::AgcModes agc_mode = webrtc::kAgcDefault;
 
@@ -257,12 +257,12 @@ TEST_F(AudioProcessingTest, DISABLED_RxAgcShouldBeOffByDefault) {
   EXPECT_EQ(webrtc::kAgcAdaptiveDigital, agc_mode);
 }
 
-TEST_F(AudioProcessingTest, DISABLED_CanTurnOnDigitalRxAcg) {
+TEST_F(AudioProcessingTest, CanTurnOnDigitalRxAcg) {
   TryEnablingRxAgcWithMode(webrtc::kAgcAdaptiveDigital);
   TryEnablingRxAgcWithMode(webrtc::kAgcFixedDigital);
 }
 
-TEST_F(AudioProcessingTest, DISABLED_CannotTurnOnAdaptiveAnalogRxAgc) {
+TEST_F(AudioProcessingTest, CannotTurnOnAdaptiveAnalogRxAgc) {
   EXPECT_EQ(-1, voe_apm_->SetRxAgcStatus(
       channel_, true, webrtc::kAgcAdaptiveAnalog));
 }