diff --git a/tools/valgrind-webrtc/drmemory/suppressions.txt b/tools/valgrind-webrtc/drmemory/suppressions.txt
index 85d4286eb..fb11db285 100644
--- a/tools/valgrind-webrtc/drmemory/suppressions.txt
+++ b/tools/valgrind-webrtc/drmemory/suppressions.txt
@@ -39,12 +39,6 @@ system call NtUserGetThreadDesktop parameter value #1
 *!webrtc::ScreenCapturerTest_StartCapturer_Test::TestBody
 *!testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,void>
 
-UNINITIALIZED READ
-name=https://code.google.com/p/webrtc/issues/detail?id=2382
-*!webrtc::ModuleRtpRtcpImpl::RegisterSendPayload
-...
-*!testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,void>
-
 UNINITIALIZED READ
 name=https://code.google.com/p/libyuv/issues/detail?id=263
 *!ScaleAddRows_SSE2
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
index 6f6caf550..0470def39 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
@@ -205,6 +205,7 @@ TEST_F(RtpRtcpAudioTest, Basic) {
                                           96, 0, -1, NULL, 0));
 
   CodecInst voice_codec;
+  memset(&voice_codec, 0, sizeof(voice_codec));
   voice_codec.pltype = 96;
   voice_codec.plfreq = 8000;
   memcpy(voice_codec.plname, "PCMU", 5);
@@ -236,6 +237,7 @@ TEST_F(RtpRtcpAudioTest, Basic) {
 
 TEST_F(RtpRtcpAudioTest, RED) {
   CodecInst voice_codec;
+  memset(&voice_codec, 0, sizeof(voice_codec));
   voice_codec.pltype = 96;
   voice_codec.plfreq = 8000;
   memcpy(voice_codec.plname, "PCMU", 5);
@@ -308,6 +310,7 @@ TEST_F(RtpRtcpAudioTest, RED) {
 
 TEST_F(RtpRtcpAudioTest, DTMF) {
   CodecInst voice_codec;
+  memset(&voice_codec, 0, sizeof(voice_codec));
   voice_codec.pltype = 96;
   voice_codec.plfreq = 8000;
   memcpy(voice_codec.plname, "PCMU", 5);