diff --git a/api/transport/BUILD.gn b/api/transport/BUILD.gn
index 3cc3559f30..c3f6f9fa83 100644
--- a/api/transport/BUILD.gn
+++ b/api/transport/BUILD.gn
@@ -146,7 +146,6 @@ if (rtc_include_tests) {
       "../../rtc_base:byte_order",
       "../../rtc_base:macromagic",
       "../../rtc_base:socket_address",
-      "../../system_wrappers:metrics",
       "../../test:test_support",
       "//testing/gtest",
     ]
diff --git a/api/transport/stun_unittest.cc b/api/transport/stun_unittest.cc
index a7315404e7..54f91c522c 100644
--- a/api/transport/stun_unittest.cc
+++ b/api/transport/stun_unittest.cc
@@ -20,7 +20,6 @@
 #include "rtc_base/byte_buffer.h"
 #include "rtc_base/byte_order.h"
 #include "rtc_base/socket_address.h"
-#include "system_wrappers/include/metrics.h"
 #include "test/gtest.h"
 
 namespace cricket {
@@ -1856,26 +1855,4 @@ TEST_F(StunTest, SizeRestrictionOnAttributes) {
   ASSERT_FALSE(msg.Write(&out));
 }
 
-TEST_F(StunTest, ValidateMessageIntegrityWithParser) {
-  // Try the messages from RFC 5769.
-  StunMessage message;
-  rtc::ByteBufferReader reader(
-      reinterpret_cast<const char*>(kRfc5769SampleRequest),
-      sizeof(kRfc5769SampleRequest));
-  EXPECT_TRUE(message.Read(&reader));
-  EXPECT_EQ(message.ValidateMessageIntegrity(kRfc5769SampleMsgPassword),
-            StunMessage::IntegrityStatus::kIntegrityOk);
-  EXPECT_EQ(webrtc::metrics::NumEvents(
-                "WebRTC.Stun.Integrity.Request",
-                static_cast<int>(StunMessage::IntegrityStatus::kIntegrityOk)),
-            1);
-  EXPECT_EQ(message.ValidateMessageIntegrity("Invalid password"),
-            StunMessage::IntegrityStatus::kIntegrityBad);
-  EXPECT_EQ(webrtc::metrics::NumEvents(
-                "WebRTC.Stun.Integrity.Request",
-                static_cast<int>(StunMessage::IntegrityStatus::kIntegrityBad)),
-            1);
-  EXPECT_EQ(webrtc::metrics::NumSamples("WebRTC.Stun.Integrity.Request"), 2);
-}
-
 }  // namespace cricket