diff --git a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
index 1bfb4168fa..db30444203 100644
--- a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
+++ b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
@@ -242,7 +242,7 @@ int AudioEncoderDecoderIsacT<T>::DecodeInternal(const uint8_t* encoded,
 
 template <typename T>
 bool AudioEncoderDecoderIsacT<T>::HasDecodePlc() const {
-  return true;
+  return false;
 }
 
 template <typename T>
diff --git a/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest.cc b/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest.cc
index a600129db3..283595ee41 100644
--- a/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest.cc
+++ b/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest.cc
@@ -563,7 +563,7 @@ class AcmReceiverBitExactness : public ::testing::Test {
 TEST_F(AcmReceiverBitExactness, MAYBE_8kHzOutput) {
   Run(8000,
       PlatformChecksum("dcee98c623b147ebe1b40dd30efa896e",
-                       "6ac89c7145072c26bfeba602cd661afb",
+                       "adc92e173f908f93b96ba5844209815a",
                        "908002dc01fc4eb1d2be24eb1d3f354b"));
 }
 
@@ -576,7 +576,7 @@ TEST_F(AcmReceiverBitExactness, MAYBE_8kHzOutput) {
 TEST_F(AcmReceiverBitExactness, MAYBE_16kHzOutput) {
   Run(16000,
       PlatformChecksum("f790e7a8cce4e2c8b7bb5e0e4c5dac0d",
-                       "3e888eb04f57db2c6ef952fe64f17fe6",
+                       "8cffa6abcb3e18e33b9d857666dff66a",
                        "a909560b5ca49fa472b17b7b277195e9"));
 }
 
@@ -589,7 +589,7 @@ TEST_F(AcmReceiverBitExactness, MAYBE_16kHzOutput) {
 TEST_F(AcmReceiverBitExactness, MAYBE_32kHzOutput) {
   Run(32000,
       PlatformChecksum("306e0d990ee6e92de3fbecc0123ece37",
-                       "aeca37e963310f5b6552b7edea23c2f1",
+                       "3e126fe894720c3f85edadcc91964ba5",
                        "441aab4b347fb3db4e9244337aca8d8e"));
 }
 
@@ -602,7 +602,7 @@ TEST_F(AcmReceiverBitExactness, MAYBE_32kHzOutput) {
 TEST_F(AcmReceiverBitExactness, MAYBE_48kHzOutput) {
   Run(48000,
       PlatformChecksum("aa7c232f63a67b2a72703593bdd172e0",
-                       "76b9e99e0a3998aa28355e7a2bd836f7",
+                       "0155665e93067c4e89256b944dd11999",
                        "4ee2730fa1daae755e8a8fd3abd779ec"));
 }
 
diff --git a/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest_oldapi.cc b/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest_oldapi.cc
index c083f28570..81ae8aad13 100644
--- a/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest_oldapi.cc
+++ b/webrtc/modules/audio_coding/main/acm2/audio_coding_module_unittest_oldapi.cc
@@ -751,7 +751,7 @@ class AcmReceiverBitExactnessOldApi : public ::testing::Test {
 TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_8kHzOutput) {
   Run(8000,
       PlatformChecksum("dcee98c623b147ebe1b40dd30efa896e",
-                       "6ac89c7145072c26bfeba602cd661afb",
+                       "adc92e173f908f93b96ba5844209815a",
                        "908002dc01fc4eb1d2be24eb1d3f354b"));
 }
 
@@ -764,7 +764,7 @@ TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_8kHzOutput) {
 TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_16kHzOutput) {
   Run(16000,
       PlatformChecksum("f790e7a8cce4e2c8b7bb5e0e4c5dac0d",
-                       "3e888eb04f57db2c6ef952fe64f17fe6",
+                       "8cffa6abcb3e18e33b9d857666dff66a",
                        "a909560b5ca49fa472b17b7b277195e9"));
 }
 
@@ -777,7 +777,7 @@ TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_16kHzOutput) {
 TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_32kHzOutput) {
   Run(32000,
       PlatformChecksum("306e0d990ee6e92de3fbecc0123ece37",
-                       "aeca37e963310f5b6552b7edea23c2f1",
+                       "3e126fe894720c3f85edadcc91964ba5",
                        "441aab4b347fb3db4e9244337aca8d8e"));
 }
 
@@ -790,7 +790,7 @@ TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_32kHzOutput) {
 TEST_F(AcmReceiverBitExactnessOldApi, MAYBE_48kHzOutput) {
   Run(48000,
       PlatformChecksum("aa7c232f63a67b2a72703593bdd172e0",
-                       "76b9e99e0a3998aa28355e7a2bd836f7",
+                       "0155665e93067c4e89256b944dd11999",
                        "4ee2730fa1daae755e8a8fd3abd779ec"));
 }
 
diff --git a/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc b/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
index 9f3b0fed1e..728caefcfe 100644
--- a/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
@@ -521,8 +521,7 @@ TEST_F(AudioDecoderIsacFloatTest, EncodeDecode) {
   EXPECT_TRUE(CodecSupported(kDecoderISAC));
   EncodeDecodeTest(0, tolerance, mse, delay);
   ReInitTest();
-  EXPECT_TRUE(decoder_->HasDecodePlc());
-  DecodePlcTest();
+  EXPECT_FALSE(decoder_->HasDecodePlc());
 }
 
 TEST_F(AudioDecoderIsacSwbTest, EncodeDecode) {
@@ -532,8 +531,7 @@ TEST_F(AudioDecoderIsacSwbTest, EncodeDecode) {
   EXPECT_TRUE(CodecSupported(kDecoderISACswb));
   EncodeDecodeTest(0, tolerance, mse, delay);
   ReInitTest();
-  EXPECT_TRUE(decoder_->HasDecodePlc());
-  DecodePlcTest();
+  EXPECT_FALSE(decoder_->HasDecodePlc());
 }
 
 // Fails Android ARM64. https://code.google.com/p/webrtc/issues/detail?id=4198
@@ -554,8 +552,7 @@ TEST_F(AudioDecoderIsacFixTest, MAYBE_EncodeDecode) {
 #endif
   EncodeDecodeTest(kEncodedBytes, tolerance, mse, delay);
   ReInitTest();
-  EXPECT_TRUE(decoder_->HasDecodePlc());
-  DecodePlcTest();
+  EXPECT_FALSE(decoder_->HasDecodePlc());
 }
 
 TEST_F(AudioDecoderG722Test, EncodeDecode) {