diff --git a/src/builtin.cpp b/src/builtin.cpp
index f1b34ba89f..00b2ee744e 100644
--- a/src/builtin.cpp
+++ b/src/builtin.cpp
@@ -1255,15 +1255,6 @@ extern "C" AVIAN_EXPORT int64_t JNICALL
   return reinterpret_cast<int64_t>(primitiveClass(t, arguments[0]));
 }
 
-extern "C" AVIAN_EXPORT int64_t JNICALL
-    Avian_java_lang_Class_getDeclaringClass(Thread* t,
-                                            object,
-                                            uintptr_t* arguments)
-{
-  return reinterpret_cast<intptr_t>(getDeclaringClass(
-      t, cast<GcJclass>(t, reinterpret_cast<object>(arguments[0]))->vmClass()));
-}
-
 extern "C" AVIAN_EXPORT int64_t JNICALL
     Avian_java_lang_Class_getEnclosingMethod(Thread* t,
                                              object,