diff --git a/modules/audio_coding/codecs/ilbc/hp_input.h b/modules/audio_coding/codecs/ilbc/hp_input.h
index ac0d26b6db..682441ac22 100644
--- a/modules/audio_coding/codecs/ilbc/hp_input.h
+++ b/modules/audio_coding/codecs/ilbc/hp_input.h
@@ -21,6 +21,8 @@
 
 #include "modules/audio_coding/codecs/ilbc/defines.h"
 
+// clang-format off
+// Bad job here. https://bugs.llvm.org/show_bug.cgi?id=34274
 void WebRtcIlbcfix_HpInput(
     int16_t* signal, /* (i/o) signal vector */
     int16_t* ba,     /* (i)   B- and A-coefficients (2:nd order)
@@ -30,5 +32,6 @@ void WebRtcIlbcfix_HpInput(
                               yhi[n-2] ylow[n-2] */
     int16_t* x,      /* (i/o) Filter state x[n-1] x[n-2] */
     size_t len);     /* (i)   Number of samples to filter */
+// clang-format on
 
 #endif
diff --git a/modules/audio_coding/codecs/ilbc/hp_output.h b/modules/audio_coding/codecs/ilbc/hp_output.h
index 88ecdb5ba1..54d976309f 100644
--- a/modules/audio_coding/codecs/ilbc/hp_output.h
+++ b/modules/audio_coding/codecs/ilbc/hp_output.h
@@ -21,6 +21,8 @@
 
 #include "modules/audio_coding/codecs/ilbc/defines.h"
 
+// clang-format off
+// Bad job here. https://bugs.llvm.org/show_bug.cgi?id=34274
 void WebRtcIlbcfix_HpOutput(
     int16_t* signal, /* (i/o) signal vector */
     int16_t* ba,     /* (i)   B- and A-coefficients (2:nd order)
@@ -30,5 +32,6 @@ void WebRtcIlbcfix_HpOutput(
                               yhi[n-2] ylow[n-2] */
     int16_t* x,      /* (i/o) Filter state x[n-1] x[n-2] */
     size_t len);     /* (i)   Number of samples to filter */
+// clang-format on
 
 #endif