diff --git a/src/cmd/go/go_test.go b/src/cmd/go/go_test.go
index 95579b7b22..49614a9bef 100644
--- a/src/cmd/go/go_test.go
+++ b/src/cmd/go/go_test.go
@@ -3090,7 +3090,7 @@ func TestGoTestRaceInstallCgo(t *testing.T) {
 	tg.run("test", "-race", "-i", "runtime/race")
 	new, err := os.Stat(cgo)
 	tg.must(err)
-	if new.ModTime() != old.ModTime() {
+	if !new.ModTime().Equal(old.ModTime()) {
 		t.Fatalf("go test -i runtime/race reinstalled cmd/cgo")
 	}
 }
diff --git a/src/net/dial_test.go b/src/net/dial_test.go
index 669a368521..a49a9d7426 100644
--- a/src/net/dial_test.go
+++ b/src/net/dial_test.go
@@ -529,7 +529,7 @@ func TestDialerPartialDeadline(t *testing.T) {
 		if err != tt.expectErr {
 			t.Errorf("#%d: got %v; want %v", i, err, tt.expectErr)
 		}
-		if deadline != tt.expectDeadline {
+		if !deadline.Equal(tt.expectDeadline) {
 			t.Errorf("#%d: got %v; want %v", i, deadline, tt.expectDeadline)
 		}
 	}
diff --git a/src/net/dnsclient_unix_test.go b/src/net/dnsclient_unix_test.go
index e1bbf68e57..a23e5f6222 100644
--- a/src/net/dnsclient_unix_test.go
+++ b/src/net/dnsclient_unix_test.go
@@ -784,7 +784,7 @@ func TestRetryTimeout(t *testing.T) {
 			return nil, poll.ErrTimeout
 		}
 
-		if deadline == deadline0 {
+		if deadline.Equal(deadline0) {
 			t.Error("deadline didn't change")
 		}