diff --git a/packages/codemirror/widget.mjs b/packages/codemirror/widget.mjs
index c2c1653b..f98dcf89 100644
--- a/packages/codemirror/widget.mjs
+++ b/packages/codemirror/widget.mjs
@@ -96,7 +96,6 @@ export function registerWidget(type, fn) {
 function getCanvasWidget(id, options = {}) {
   const { width = 500, height = 60, pixelRatio = window.devicePixelRatio } = options;
   let canvas = document.getElementById(id) || document.createElement('canvas');
-  console.log('canvas', canvas);
   canvas.width = width * pixelRatio;
   canvas.height = height * pixelRatio;
   canvas.style.width = width + 'px';
@@ -105,25 +104,19 @@ function getCanvasWidget(id, options = {}) {
   return canvas;
 }
 
-registerWidget('roll', (id, options = {}, pat) => {
+registerWidget('_pianoroll', (id, options = {}, pat) => {
   const ctx = getCanvasWidget(id, options).getContext('2d');
   return pat.pianoroll({ fold: 1, ...options, ctx, id });
 });
 
-registerWidget('twist', (id, options = {}, pat) => {
+registerWidget('_spiral', (id, options = {}, pat) => {
   options = { width: 200, height: 200, size: 36, ...options };
   const ctx = getCanvasWidget(id, options).getContext('2d');
   return pat.spiral({ ...options, ctx, id });
 });
 
-registerWidget('osci', (id, options = {}, pat) => {
+registerWidget('_scope', (id, options = {}, pat) => {
   options = { width: 500, height: 60, pos: 0.5, scale: 1, ...options };
   const ctx = getCanvasWidget(id, options).getContext('2d');
-  // TODO: find way to clear previous analysers to avoid memory leak
-  // .scope passes id to Pattern.analyze, which is picked up by superdough
-  // .. which calls getAnalyserById(analyze), creating a new analyzer (+buffer) for that key
-  // the id here is the col number where the osci function ends (as passed by the transpiler)
-  // effectively, this means for each evaluation of .osci on a unique col, a new analyser will be created
-  // the problem is that the old ones will never get deleted.. this might pile up some memory
   return pat.scope({ ...options, ctx, id });
 });
diff --git a/packages/widgets/Claviature.jsx b/packages/widgets/Claviature.jsx
index dc216d56..584dd09d 100644
--- a/packages/widgets/Claviature.jsx
+++ b/packages/widgets/Claviature.jsx
@@ -27,7 +27,7 @@ customElement('strudel-claviature', { options: '{}' }, (props, { element }) => {
   );
 });
 
-registerWidget('claviature', (id, options = {}, pat) => {
+registerWidget('_claviature', (id, options = {}, pat) => {
   options = { range: ['A0', 'C8'], scaleY: 1, scaleY: 0.5, scaleX: 0.5, ...options };
   const height = (options.upperHeight + options.lowerHeight) * options.scaleY;
   const el = getSolidWidget('strudel-claviature', id, { ...options, height });