diff --git a/Libraries/iTasks/UI/JavaScript.dcl b/Libraries/iTasks/UI/JavaScript.dcl
index a0822d6d35739a882588160f2cd96966ddd1ddda..1c28a2cb7df551dea3867982edf2f921de60f7fb 100644
--- a/Libraries/iTasks/UI/JavaScript.dcl
+++ b/Libraries/iTasks/UI/JavaScript.dcl
@@ -191,11 +191,6 @@ jsDocument :== jsGlobal "document"
  */
 jsWrapFun :: !({!JSVal} *JSWorld -> *JSWorld) !JSVal !*JSWorld -> *(!JSFun, !*JSWorld)
 
-/**
- * Like {{`jsWrapFun`}}, but the Clean function can return a result.
- */
-jsWrapFunWithResult :: !({!JSVal} *JSWorld -> *(JSVal, *JSWorld)) !JSVal !*JSWorld -> *(!JSFun, !*JSWorld)
-
 /**
  * Wrap a function receiving a reference to a JavaScript iTasks component to
  * one matching the calling convention for the JavaScript interface (i.e.,
diff --git a/Libraries/iTasks/UI/JavaScript.icl b/Libraries/iTasks/UI/JavaScript.icl
index 778c87d8973be3f7775edfde4c2a06b57e4cd794..b6c223cb4e2f0fe2f0d318e568e6d1c0c201672a 100644
--- a/Libraries/iTasks/UI/JavaScript.icl
+++ b/Libraries/iTasks/UI/JavaScript.icl
@@ -532,13 +532,6 @@ jsGlobal s = JSVar s
 jsWrapFun :: !({!JSVal} *JSWorld -> *JSWorld) !JSVal !*JSWorld -> *(!JSFun, !*JSWorld)
 jsWrapFun f attach_to world = (share attach_to \(JSArray args) w -> f args w, world)
 
-jsWrapFunWithResult :: !({!JSVal} *JSWorld -> *(JSVal, *JSWorld)) !JSVal !*JSWorld -> *(!JSFun, !*JSWorld)
-jsWrapFunWithResult f attach_to world = (share attach_to fun, world)
-where
-	fun (JSArray args) w
-	# (r,w) = f args w
-	= hyperstrict (js_val_to_string r,w)
-
 wrapInitUIFunction :: !(JSVal *JSWorld -> *JSWorld) -> {!JSVal} -> *JSWorld -> *JSWorld
 wrapInitUIFunction f = init
 where
diff --git a/Libraries/iTasks/UI/WebPublic/js/itasks-abc-interpreter.js b/Libraries/iTasks/UI/WebPublic/js/itasks-abc-interpreter.js
index 88903f12a7523bdd695dd21471dfb1c1edaf0cb7..7131d03a48c50d2f464e7a11ae96a3f51e7c8b0f 100644
--- a/Libraries/iTasks/UI/WebPublic/js/itasks-abc-interpreter.js
+++ b/Libraries/iTasks/UI/WebPublic/js/itasks-abc-interpreter.js
@@ -125,31 +125,4 @@ const ABC_loading_promise=ABCInterpreter.instantiate({
 }).then(function(instance){
 	ABC=instance;
 	ABC.initialized=false;
-
-	// Overwrite ap to return a result (in the case of jsWrapFunWithResult)
-	ABC.ap=function(index){
-		var f=function () {
-			var args=[];
-			for (var i=0; i<arguments.length; i++)
-				args[i]=arguments[i];
-			me.abc.interpret(new SharedCleanValue(index), args);
-
-			var result=undefined;
-			const new_asp=me.abc.interpreter.instance.exports.get_asp();
-			const hp_ptr=me.abc.memory_array[new_asp/4];
-			if (me.abc.memory_array[hp_ptr/4]!=25*8+2) { // INT, i.e. JSWorld
-				// Assume we have received a tuple with the first element as the result
-				const str_ptr=me.abc.memory_array[hp_ptr/4+2];
-				const string=me.abc.get_clean_string(me.abc.memory_array[str_ptr/4+2], false);
-				if (ABC_DEBUG)
-					console.log('result:',string);
-				result=eval('('+string+')');
-			}
-
-			if (typeof result!='undefined')
-				return result;
-		};
-		f.shared_clean_value_index=index;
-		return f;
-	});
 });