diff --git a/src/vs/workbench/parts/comments/electron-browser/commentThreadWidget.ts b/src/vs/workbench/parts/comments/electron-browser/commentThreadWidget.ts
index e859e123b948c..d29bdb5fb5dc2 100644
--- a/src/vs/workbench/parts/comments/electron-browser/commentThreadWidget.ts
+++ b/src/vs/workbench/parts/comments/electron-browser/commentThreadWidget.ts
@@ -299,24 +299,6 @@ export class ReviewZoneWidget extends ZoneWidget {
 
 		this._localToDispose.push(this.editor.onMouseDown(e => this.onEditorMouseDown(e)));
 		this._localToDispose.push(this.editor.onMouseUp(e => this.onEditorMouseUp(e)));
-		this._localToDispose.push(this.editor.onDidChangeModelContent((e) => {
-			// If the widget has been opened, the position is set and can be relied on for updating the glyph position
-			if (this.position) {
-				if (this.position.lineNumber !== this._commentGlyph.getPosition().position.lineNumber) {
-					this._commentGlyph.setLineNumber(this.position.lineNumber);
-				}
-			} else {
-				// Otherwise manually calculate position change :(
-				const positionChange = e.changes.map(change => {
-					if (change.range.startLineNumber < change.range.endLineNumber) {
-						return change.range.startLineNumber - change.range.endLineNumber;
-					} else {
-						return change.text.split(e.eol).length - 1;
-					}
-				}).reduce((prev, curr) => prev + curr, 0);
-				this._commentGlyph.setLineNumber(this._commentGlyph.getPosition().position.lineNumber + positionChange);
-			}
-		}));
 		var headHeight = Math.ceil(this.editor.getConfiguration().lineHeight * 1.2);
 		this._headElement.style.height = `${headHeight}px`;
 		this._headElement.style.lineHeight = this._headElement.style.height;