diff --git a/renderer/brave_content_renderer_client.cc b/renderer/brave_content_renderer_client.cc
index f6742a910a694..35181e137bdcc 100644
--- a/renderer/brave_content_renderer_client.cc
+++ b/renderer/brave_content_renderer_client.cc
@@ -102,8 +102,6 @@ void BraveContentRendererClient::
   if (!base::FeatureList::IsEnabled(blink::features::kBraveWebSerialAPI)) {
     blink::WebRuntimeFeatures::EnableFeatureFromString("Serial", false);
   }
-  blink::WebRuntimeFeatures::EnableFeatureFromString(
-      "SpeculationRulesPrefetchProxy", false);
   blink::WebRuntimeFeatures::EnableFeatureFromString("AdTagging", false);
 }