diff --git a/src/wren/vm_fun.cpp b/src/wren/vm_fun.cpp
index f6e2f05..494e2a3 100644
--- a/src/wren/vm_fun.cpp
+++ b/src/wren/vm_fun.cpp
@@ -4,14 +4,13 @@
 #include <utility>
 
 namespace wren {
+	namespace detail {
+	} //namespace detail
+
 	void set (VM& vm, int slot_num, const char* beg, const char* end) {
 		vm.set_slot_bytes(slot_num, beg, std::distance(beg, end));
 	}
 
-	void set (VM& vm, int slot_num, const Handle& handle) {
-		vm.set_slot_handle(handle, slot_num);
-	}
-
 	std::string_view slot_string_view (VM& vm, int slot_num) {
 		assert(SlotType::String == vm.slot_type(slot_num));
 		auto ptr = vm.slot_bytes(slot_num);