diff --git a/http2/decoder/decode_http2_structures_test.cc b/http2/decoder/decode_http2_structures_test.cc
index 39b11e9..89833e5 100644
--- a/http2/decoder/decode_http2_structures_test.cc
+++ b/http2/decoder/decode_http2_structures_test.cc
@@ -22,8 +22,6 @@
 #include "http2/tools/http2_frame_builder.h"
 #include "common/platform/api/quiche_test.h"
 
-using ::testing::AssertionResult;
-
 namespace http2 {
 namespace test {
 namespace {
diff --git a/http2/decoder/http2_frame_decoder_test.cc b/http2/decoder/http2_frame_decoder_test.cc
index b09a5d0..b3fd723 100644
--- a/http2/decoder/http2_frame_decoder_test.cc
+++ b/http2/decoder/http2_frame_decoder_test.cc
@@ -19,7 +19,6 @@
 #include "http2/test_tools/http2_random.h"
 #include "http2/tools/random_decoder_test.h"
 
-using ::testing::AssertionResult;
 using ::testing::AssertionSuccess;
 
 namespace http2 {