diff --git a/tools/valgrind-webrtc/memcheck/suppressions.txt b/tools/valgrind-webrtc/memcheck/suppressions.txt
index 1324ccbf7d..fce9259b92 100644
--- a/tools/valgrind-webrtc/memcheck/suppressions.txt
+++ b/tools/valgrind-webrtc/memcheck/suppressions.txt
@@ -428,11 +428,4 @@
    fun:opus_encode_native
    fun:opus_encode
    fun:WebRtcOpus_Encode
-   fun:_ZZN6webrtc16AudioEncoderOpus10EncodeImplEjN3rtc9ArrayViewIKsEEPNS1_6BufferEENK3$_0clENS2_IhEE
-   fun:_ZN3rtc6Buffer10AppendDataIhZN6webrtc16AudioEncoderOpus10EncodeImplEjNS_9ArrayViewIKsEEPS0_E3$_0Li0EEEmmOT0_
-   fun:_ZN6webrtc16AudioEncoderOpus10EncodeImplEjN3rtc9ArrayViewIKsEEPNS1_6BufferE
-   fun:_ZN6webrtc12AudioEncoder6EncodeEjN3rtc9ArrayViewIKsEEPNS1_6BufferE
-   fun:_ZN6webrtc16AudioDecoderTest11EncodeFrameEPKsmPN3rtc6BufferE
-   fun:_ZN6webrtc16AudioDecoderTest16EncodeDecodeTestEmidii
-   fun:_ZN6webrtc38AudioDecoderOpusTest_EncodeDecode_Test8TestBodyEv
 }