diff -up chromium-121.0.6167.16/third_party/blink/renderer/core/BUILD.gn.mnemonic-error chromium-121.0.6167.16/third_party/blink/renderer/core/BUILD.gn
--- chromium-121.0.6167.16/third_party/blink/renderer/core/BUILD.gn.mnemonic-error	2023-12-19 18:14:43.027723832 +0100
+++ chromium-121.0.6167.16/third_party/blink/renderer/core/BUILD.gn	2023-12-19 18:39:47.492384620 +0100
@@ -1731,8 +1731,6 @@ action_foreach("element_locator_test_pro
   python_path_root = "${root_out_dir}/pyproto"
   python_path_proto = "${python_path_root}/third_party/blink/renderer/core/lcp_critical_path_predictor"
 
-  mnemonic = "ELOC_PROTO"
-
   source_dir = "lcp_critical_path_predictor/test_proto"
   sources = rebase_path([ "lcp_image_id.asciipb" ], "", source_dir)
   sources += rebase_path([ "lcp_image_id_b.asciipb" ], "", source_dir)