diff --git a/pc/external_hmac.h b/pc/external_hmac.h
index c5071fc192..3319beaed4 100644
--- a/pc/external_hmac.h
+++ b/pc/external_hmac.h
@@ -30,9 +30,9 @@
 
 #include <stdint.h>
 
+#include "third_party/libsrtp/crypto/include/auth.h"
 #include "third_party/libsrtp/crypto/include/crypto_types.h"
 #include "third_party/libsrtp/include/srtp.h"
-#include "third_party/libsrtp/include/srtp_priv.h"
 
 #define EXTERNAL_HMAC_SHA1 SRTP_HMAC_SHA1 + 1
 #define HMAC_KEY_LENGTH 20
diff --git a/tools_webrtc/iwyu/mappings.imp b/tools_webrtc/iwyu/mappings.imp
index ab2712438d..a8b3ac06d1 100644
--- a/tools_webrtc/iwyu/mappings.imp
+++ b/tools_webrtc/iwyu/mappings.imp
@@ -20,7 +20,6 @@
 
 # LIBSRTP overrides
 { include: ['"rdbx.h"', "private", '"third_party/libsrtp/include/srtp_priv.h"', "public"] },
-{ include: ['"auth.h"', "private", '"third_party/libsrtp/include/srtp_priv.h"', "public"] },
 
 # pthread internals
 { include: ['<bits/pthread_types.h>', "private", '<pthread.h>', "public"] },