diff --git a/Userland/Libraries/LibWeb/Bindings/Intrinsics.cpp b/Userland/Libraries/LibWeb/Bindings/Intrinsics.cpp
index 23f33f1bbc..bb8798059f 100644
--- a/Userland/Libraries/LibWeb/Bindings/Intrinsics.cpp
+++ b/Userland/Libraries/LibWeb/Bindings/Intrinsics.cpp
@@ -13,16 +13,6 @@
 
 namespace Web::Bindings {
 
-JS::Object& Intrinsics::cached_web_prototype(DeprecatedString const& class_name)
-{
-    auto it = m_prototypes.find(class_name);
-    if (it == m_prototypes.end()) {
-        dbgln("Missing prototype: {}", class_name);
-    }
-    VERIFY(it != m_prototypes.end());
-    return *it->value;
-}
-
 void Intrinsics::visit_edges(JS::Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);
diff --git a/Userland/Libraries/LibWeb/Bindings/Intrinsics.h b/Userland/Libraries/LibWeb/Bindings/Intrinsics.h
index 012278c402..67b20512d5 100644
--- a/Userland/Libraries/LibWeb/Bindings/Intrinsics.h
+++ b/Userland/Libraries/LibWeb/Bindings/Intrinsics.h
@@ -25,8 +25,6 @@ public:
     {
     }
 
-    JS::Object& cached_web_prototype(DeprecatedString const& class_name);
-
     template<typename PrototypeType>
     JS::Object& ensure_web_prototype(DeprecatedString const& class_name)
     {
@@ -75,9 +73,4 @@ template<typename T>
     return host_defined_intrinsics(realm).ensure_web_constructor<T>(class_name);
 }
 
-[[nodiscard]] inline JS::Object& cached_web_prototype(JS::Realm& realm, DeprecatedString const& class_name)
-{
-    return host_defined_intrinsics(realm).cached_web_prototype(class_name);
-}
-
 }