diff --git a/tools/wptrunner/wptrunner/browsers/chrome.py b/tools/wptrunner/wptrunner/browsers/chrome.py
index 4669ec402e5488..06f3d34f3f0ac3 100644
--- a/tools/wptrunner/wptrunner/browsers/chrome.py
+++ b/tools/wptrunner/wptrunner/browsers/chrome.py
@@ -139,19 +139,17 @@ def executor_kwargs(logger, test_type, test_environment, run_info_data,
     if kwargs["enable_experimental"]:
         chrome_options["args"].extend(["--enable-experimental-web-platform-features"])
 
-    new_headless_mode = ("--headless=new" in kwargs.get("binary_args", []))
-
-    # Pass the --headless flag to Chrome if WPT's own --headless flag was set
-    # or if we're running print reftests because of crbug.com/753118
-    if ((kwargs["headless"] or test_type == "print-reftest") and
-        "--headless" not in chrome_options["args"] and not new_headless_mode):
-        chrome_options["args"].append("--headless")
-
     # Copy over any other flags that were passed in via `--binary-arg`
     for arg in kwargs.get("binary_args", []):
         if arg not in chrome_options["args"]:
             chrome_options["args"].append(arg)
 
+    # Pass the --headless=new flag to Chrome if WPT's own --headless flag was
+    # set. '--headless' should always mean the new headless mode, as the old
+    # headless mode is not used anyway.
+    if kwargs["headless"] and "--headless=new" not in chrome_options["args"]:
+        chrome_options["args"].append("--headless=new")
+
     if test_type == "wdspec":
         executor_kwargs["binary_args"] = chrome_options["args"]