diff --git a/runtime/well_known_classes.cc b/runtime/well_known_classes.cc
index f7cdf39..c64e7bb 100644
--- a/runtime/well_known_classes.cc
+++ b/runtime/well_known_classes.cc
@@ -55,8 +55,6 @@
 jclass WellKnownClasses::java_lang_ClassNotFoundException;
 jclass WellKnownClasses::java_lang_Daemons;
 jclass WellKnownClasses::java_lang_Error;
-jclass WellKnownClasses::java_lang_invoke_MethodHandle;
-jclass WellKnownClasses::java_lang_invoke_VarHandle;
 jclass WellKnownClasses::java_lang_IllegalAccessError;
 jclass WellKnownClasses::java_lang_NoClassDefFoundError;
 jclass WellKnownClasses::java_lang_Object;
@@ -74,7 +72,6 @@
 jclass WellKnownClasses::java_lang_Throwable;
 jclass WellKnownClasses::java_nio_ByteBuffer;
 jclass WellKnownClasses::java_nio_DirectByteBuffer;
-jclass WellKnownClasses::java_util_ArrayList;
 jclass WellKnownClasses::java_util_Collections;
 jclass WellKnownClasses::java_util_function_Consumer;
 jclass WellKnownClasses::libcore_reflect_AnnotationFactory;
@@ -90,14 +87,11 @@
 jmethodID WellKnownClasses::java_lang_Character_valueOf;
 jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass;
 jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init;
-jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim;
 jmethodID WellKnownClasses::java_lang_Daemons_start;
 jmethodID WellKnownClasses::java_lang_Daemons_stop;
 jmethodID WellKnownClasses::java_lang_Double_valueOf;
 jmethodID WellKnownClasses::java_lang_Float_valueOf;
 jmethodID WellKnownClasses::java_lang_Integer_valueOf;
-jmethodID WellKnownClasses::java_lang_invoke_MethodHandle_invoke;
-jmethodID WellKnownClasses::java_lang_invoke_MethodHandle_invokeExact;
 jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_lookup;
 jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_Lookup_findConstructor;
 jmethodID WellKnownClasses::java_lang_Long_valueOf;
@@ -108,7 +102,6 @@
 jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad;
 jmethodID WellKnownClasses::java_lang_Short_valueOf;
 jmethodID WellKnownClasses::java_lang_String_charAt;
-jmethodID WellKnownClasses::java_lang_System_runFinalization = nullptr;
 jmethodID WellKnownClasses::java_lang_Thread_dispatchUncaughtException;
 jmethodID WellKnownClasses::java_lang_Thread_init;
 jmethodID WellKnownClasses::java_lang_Thread_run;
@@ -144,7 +137,6 @@
 jfieldID WellKnownClasses::java_lang_Throwable_stackTrace;
 jfieldID WellKnownClasses::java_lang_Throwable_stackState;
 jfieldID WellKnownClasses::java_lang_Throwable_suppressedExceptions;
-jfieldID WellKnownClasses::java_lang_reflect_Proxy_h;
 jfieldID WellKnownClasses::java_nio_ByteBuffer_address;
 jfieldID WellKnownClasses::java_nio_ByteBuffer_hb;
 jfieldID WellKnownClasses::java_nio_ByteBuffer_isReadOnly;
@@ -152,8 +144,6 @@
 jfieldID WellKnownClasses::java_nio_ByteBuffer_offset;
 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_capacity;
 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_effectiveDirectAddress;
-jfieldID WellKnownClasses::java_util_ArrayList_array;
-jfieldID WellKnownClasses::java_util_ArrayList_size;
 jfieldID WellKnownClasses::java_util_Collections_EMPTY_LIST;
 jfieldID WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT;
 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data;
@@ -323,8 +313,6 @@
   java_lang_OutOfMemoryError = CacheClass(env, "java/lang/OutOfMemoryError");
   java_lang_Error = CacheClass(env, "java/lang/Error");
   java_lang_IllegalAccessError = CacheClass(env, "java/lang/IllegalAccessError");
-  java_lang_invoke_MethodHandle = CacheClass(env, "java/lang/invoke/MethodHandle");
-  java_lang_invoke_VarHandle = CacheClass(env, "java/lang/invoke/VarHandle");
   java_lang_NoClassDefFoundError = CacheClass(env, "java/lang/NoClassDefFoundError");
   java_lang_reflect_Parameter = CacheClass(env, "java/lang/reflect/Parameter");
   java_lang_reflect_Parameter__array = CacheClass(env, "[Ljava/lang/reflect/Parameter;");
@@ -339,7 +327,6 @@
   java_lang_Throwable = CacheClass(env, "java/lang/Throwable");
   java_nio_ByteBuffer = CacheClass(env, "java/nio/ByteBuffer");
   java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer");
-  java_util_ArrayList = CacheClass(env, "java/util/ArrayList");
   java_util_Collections = CacheClass(env, "java/util/Collections");
   java_util_function_Consumer = CacheClass(env, "java/util/function/Consumer");
   libcore_reflect_AnnotationFactory = CacheClass(env, "libcore/reflect/AnnotationFactory");
@@ -353,11 +340,8 @@
   java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
   java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
 
-  java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V");
   java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V");
   java_lang_Daemons_stop = CacheMethod(env, java_lang_Daemons, true, "stop", "()V");
-  java_lang_invoke_MethodHandle_invoke = CacheMethod(env, java_lang_invoke_MethodHandle, false, "invoke", "([Ljava/lang/Object;)Ljava/lang/Object;");
-  java_lang_invoke_MethodHandle_invokeExact = CacheMethod(env, java_lang_invoke_MethodHandle, false, "invokeExact", "([Ljava/lang/Object;)Ljava/lang/Object;");
   java_lang_invoke_MethodHandles_lookup = CacheMethod(env, "java/lang/invoke/MethodHandles", true, "lookup", "()Ljava/lang/invoke/MethodHandles$Lookup;");
   java_lang_invoke_MethodHandles_Lookup_findConstructor = CacheMethod(env, "java/lang/invoke/MethodHandles$Lookup", false, "findConstructor", "(Ljava/lang/Class;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;");
 
@@ -408,8 +392,6 @@
   java_nio_ByteBuffer_offset = CacheField(env, java_nio_ByteBuffer, false, "offset", "I");
   java_nio_DirectByteBuffer_capacity = CacheField(env, java_nio_DirectByteBuffer, false, "capacity", "I");
   java_nio_DirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_DirectByteBuffer, false, "address", "J");
-  java_util_ArrayList_array = CacheField(env, java_util_ArrayList, false, "elementData", "[Ljava/lang/Object;");
-  java_util_ArrayList_size = CacheField(env, java_util_ArrayList, false, "size", "I");
   java_util_Collections_EMPTY_LIST = CacheField(env, java_util_Collections, true, "EMPTY_LIST", "Ljava/util/List;");
   libcore_util_EmptyArray_STACK_TRACE_ELEMENT = CacheField(env, libcore_util_EmptyArray, true, "STACK_TRACE_ELEMENT", "[Ljava/lang/StackTraceElement;");
   org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B");
@@ -440,9 +422,6 @@
     CacheMethod(env, java_lang_reflect_Proxy, true, "invoke",
                 "(Ljava/lang/reflect/Proxy;Ljava/lang/reflect/Method;"
                     "[Ljava/lang/Object;)Ljava/lang/Object;");
-  java_lang_reflect_Proxy_h =
-    CacheField(env, java_lang_reflect_Proxy, false, "h",
-               "Ljava/lang/reflect/InvocationHandler;");
 }
 
 void WellKnownClasses::Clear() {
@@ -464,8 +443,6 @@
   java_lang_Daemons = nullptr;
   java_lang_Error = nullptr;
   java_lang_IllegalAccessError = nullptr;
-  java_lang_invoke_MethodHandle = nullptr;
-  java_lang_invoke_VarHandle = nullptr;
   java_lang_NoClassDefFoundError = nullptr;
   java_lang_Object = nullptr;
   java_lang_OutOfMemoryError = nullptr;
@@ -480,7 +457,6 @@
   java_lang_Thread = nullptr;
   java_lang_ThreadGroup = nullptr;
   java_lang_Throwable = nullptr;
-  java_util_ArrayList = nullptr;
   java_util_Collections = nullptr;
   java_nio_ByteBuffer = nullptr;
   java_nio_DirectByteBuffer = nullptr;
@@ -497,14 +473,11 @@
   java_lang_Character_valueOf = nullptr;
   java_lang_ClassLoader_loadClass = nullptr;
   java_lang_ClassNotFoundException_init = nullptr;
-  java_lang_Daemons_requestHeapTrim = nullptr;
   java_lang_Daemons_start = nullptr;
   java_lang_Daemons_stop = nullptr;
   java_lang_Double_valueOf = nullptr;
   java_lang_Float_valueOf = nullptr;
   java_lang_Integer_valueOf = nullptr;
-  java_lang_invoke_MethodHandle_invoke = nullptr;
-  java_lang_invoke_MethodHandle_invokeExact = nullptr;
   java_lang_invoke_MethodHandles_lookup = nullptr;
   java_lang_invoke_MethodHandles_Lookup_findConstructor = nullptr;
   java_lang_Long_valueOf = nullptr;
@@ -515,7 +488,6 @@
   java_lang_Runtime_nativeLoad = nullptr;
   java_lang_Short_valueOf = nullptr;
   java_lang_String_charAt = nullptr;
-  java_lang_System_runFinalization = nullptr;
   java_lang_Thread_dispatchUncaughtException = nullptr;
   java_lang_Thread_init = nullptr;
   java_lang_Thread_run = nullptr;
@@ -533,7 +505,6 @@
   dalvik_system_DexPathList_dexElements = nullptr;
   dalvik_system_DexPathList__Element_dexFile = nullptr;
   dalvik_system_VMRuntime_nonSdkApiUsageConsumer = nullptr;
-  java_lang_reflect_Proxy_h = nullptr;
   java_lang_Thread_daemon = nullptr;
   java_lang_Thread_group = nullptr;
   java_lang_Thread_lock = nullptr;
@@ -558,8 +529,6 @@
   java_nio_ByteBuffer_offset = nullptr;
   java_nio_DirectByteBuffer_capacity = nullptr;
   java_nio_DirectByteBuffer_effectiveDirectAddress = nullptr;
-  java_util_ArrayList_array = nullptr;
-  java_util_ArrayList_size = nullptr;
   java_util_Collections_EMPTY_LIST = nullptr;
   libcore_util_EmptyArray_STACK_TRACE_ELEMENT = nullptr;
   org_apache_harmony_dalvik_ddmc_Chunk_data = nullptr;
diff --git a/runtime/well_known_classes.h b/runtime/well_known_classes.h
index c06e4a7..c81062f 100644
--- a/runtime/well_known_classes.h
+++ b/runtime/well_known_classes.h
@@ -66,8 +66,6 @@
   static jclass java_lang_Daemons;
   static jclass java_lang_Error;
   static jclass java_lang_IllegalAccessError;
-  static jclass java_lang_invoke_MethodHandle;
-  static jclass java_lang_invoke_VarHandle;
   static jclass java_lang_NoClassDefFoundError;
   static jclass java_lang_Object;
   static jclass java_lang_OutOfMemoryError;
@@ -82,7 +80,6 @@
   static jclass java_lang_Thread;
   static jclass java_lang_ThreadGroup;
   static jclass java_lang_Throwable;
-  static jclass java_util_ArrayList;
   static jclass java_util_Collections;
   static jclass java_util_function_Consumer;
   static jclass java_nio_ByteBuffer;
@@ -100,14 +97,11 @@
   static jmethodID java_lang_Character_valueOf;
   static jmethodID java_lang_ClassLoader_loadClass;
   static jmethodID java_lang_ClassNotFoundException_init;
-  static jmethodID java_lang_Daemons_requestHeapTrim;
   static jmethodID java_lang_Daemons_start;
   static jmethodID java_lang_Daemons_stop;
   static jmethodID java_lang_Double_valueOf;
   static jmethodID java_lang_Float_valueOf;
   static jmethodID java_lang_Integer_valueOf;
-  static jmethodID java_lang_invoke_MethodHandle_invoke;
-  static jmethodID java_lang_invoke_MethodHandle_invokeExact;
   static jmethodID java_lang_invoke_MethodHandles_lookup;
   static jmethodID java_lang_invoke_MethodHandles_Lookup_findConstructor;
   static jmethodID java_lang_Long_valueOf;
@@ -118,7 +112,6 @@
   static jmethodID java_lang_Runtime_nativeLoad;
   static jmethodID java_lang_Short_valueOf;
   static jmethodID java_lang_String_charAt;
-  static jmethodID java_lang_System_runFinalization;
   static jmethodID java_lang_Thread_dispatchUncaughtException;
   static jmethodID java_lang_Thread_init;
   static jmethodID java_lang_Thread_run;
@@ -137,7 +130,6 @@
   static jfieldID dalvik_system_DexPathList_dexElements;
   static jfieldID dalvik_system_DexPathList__Element_dexFile;
   static jfieldID dalvik_system_VMRuntime_nonSdkApiUsageConsumer;
-  static jfieldID java_lang_reflect_Proxy_h;
   static jfieldID java_lang_Thread_daemon;
   static jfieldID java_lang_Thread_group;
   static jfieldID java_lang_Thread_lock;
@@ -163,8 +155,6 @@
   static jfieldID java_nio_DirectByteBuffer_capacity;
   static jfieldID java_nio_DirectByteBuffer_effectiveDirectAddress;
 
-  static jfieldID java_util_ArrayList_array;
-  static jfieldID java_util_ArrayList_size;
   static jfieldID java_util_Collections_EMPTY_LIST;
   static jfieldID libcore_util_EmptyArray_STACK_TRACE_ELEMENT;
   static jfieldID org_apache_harmony_dalvik_ddmc_Chunk_data;