diff --git a/gni/v8.gni b/gni/v8.gni
index 3f8929f64d..403890733b 100644
--- a/gni/v8.gni
+++ b/gni/v8.gni
@@ -154,7 +154,7 @@ if (is_debug && !v8_optimized_debug) {
 
   # TODO(crbug.com/621335) Rework this so that we don't have the confusion
   # between "optimize_speed" and "optimize_max".
-  if (((is_posix && !is_android) || is_fuchsia) && !using_sanitizer) {
+  if ((is_posix && !is_android) && !using_sanitizer) {
     v8_add_configs += [ "//build/config/compiler:optimize_speed" ]
   } else {
     v8_add_configs += [ "//build/config/compiler:optimize_max" ]