diff --git a/sharing/incoming_share_session_test.cc b/sharing/incoming_share_session_test.cc
index dad7ed41..47d315d2 100644
--- a/sharing/incoming_share_session_test.cc
+++ b/sharing/incoming_share_session_test.cc
@@ -218,7 +218,6 @@ TEST_F(IncomingShareSessionTest, ProcessIntroductionNoSupportedPayload) {
 TEST_F(IncomingShareSessionTest, ProcessIntroductionEmptyFile) {
   session_.OnConnected(&connection_);
   IntroductionFrame frame;
-  frame.mutable_file_metadata();
 
   EXPECT_THAT(session_.ProcessIntroduction(frame),
               Eq(TransferMetadata::Status::kUnsupportedAttachmentType));
@@ -243,7 +242,6 @@ TEST_F(IncomingShareSessionTest, ProcessIntroductionFilesTooLarge) {
 TEST_F(IncomingShareSessionTest, ProcessIntroductionEmptyText) {
   session_.OnConnected(&connection_);
   IntroductionFrame frame;
-  frame.mutable_text_metadata();
 
   EXPECT_THAT(session_.ProcessIntroduction(frame),
               Eq(TransferMetadata::Status::kUnsupportedAttachmentType));