diff --git a/tests/e2e/cmux_test.go b/tests/e2e/cmux_test.go
index 4286a3e5c..32cf82a1c 100644
--- a/tests/e2e/cmux_test.go
+++ b/tests/e2e/cmux_test.go
@@ -132,7 +132,7 @@ func testConnectionMultiplexing(ctx context.Context, t *testing.T, member etcdPr
 		assert.NoError(t, err)
 	})
 	t.Run("curl", func(t *testing.T) {
-		for _, httpVersion := range []string{"2", "1.1", "1.0", ""} {
+		for _, httpVersion := range []string{"2", "1.1", ""} {
 			tname := "http" + httpVersion
 			if httpVersion == "" {
 				tname = "default"