diff --git a/lib/rt64 b/lib/rt64
index 88c618c..6de3939 160000
--- a/lib/rt64
+++ b/lib/rt64
@@ -1 +1 @@
-Subproject commit 88c618c1f8d8089f94e78537e49e0d77798fc0be
+Subproject commit 6de3939913f788524e3bd820b34014955f779118
diff --git a/src/main/rt64_render_context.cpp b/src/main/rt64_render_context.cpp
index 8d5c735..7f72e8e 100644
--- a/src/main/rt64_render_context.cpp
+++ b/src/main/rt64_render_context.cpp
@@ -398,13 +398,7 @@ float zelda64::renderer::RT64Context::get_resolution_scale() const {
 }
 
 void zelda64::renderer::RT64Context::load_shader_cache(std::span<const char> cache_binary) {
-    // TODO figure out how to avoid a copy here.
-    std::istringstream cache_stream{std::string{cache_binary.data(), cache_binary.size()}};
-
-    if (!app->rasterShaderCache->loadOfflineList(cache_stream)) {
-       printf("Failed to preload shader cache!\n");
-       assert(false);
-    }
+    // Deprecated.
 }
 
 RT64::UserConfiguration::Antialiasing zelda64::renderer::RT64MaxMSAA() {